jro_apps/redmine Commit - r13674:5cc616b75b50

Merged r14049 (#19197)....

Jean-Philippe Lang -

r13674:5cc616b75b50

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r13674:5cc616b75b50

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app/models/issue.rb +2 -2

             # Redmine - project management software
             # Copyright (C) 2006-2015  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             class Issue < ActiveRecord::Base
               include Redmine::SafeAttributes
               include Redmine::Utils::DateCalculation
               include Redmine::I18n
               before_save :set_parent_id
               include Redmine::NestedSet::IssueNestedSet
               belongs_to :project
               belongs_to :tracker
               belongs_to :status, :class_name => 'IssueStatus'
               belongs_to :author, :class_name => 'User'
               belongs_to :assigned_to, :class_name => 'Principal'
               belongs_to :fixed_version, :class_name => 'Version'
               belongs_to :priority, :class_name => 'IssuePriority'
               belongs_to :category, :class_name => 'IssueCategory'
               has_many :journals, :as => :journalized, :dependent => :destroy, :inverse_of => :journalized
               has_many :visible_journals,
                 lambda {where(["(#{Journal.table_name}.private_notes = ? OR (#{Project.allowed_to_condition(User.current, :view_private_notes)}))", false])},
                 :class_name => 'Journal',
                 :as => :journalized
               has_many :time_entries, :dependent => :destroy
               has_and_belongs_to_many :changesets, lambda {order("#{Changeset.table_name}.committed_on ASC, #{Changeset.table_name}.id ASC")}
               has_many :relations_from, :class_name => 'IssueRelation', :foreign_key => 'issue_from_id', :dependent => :delete_all
               has_many :relations_to, :class_name => 'IssueRelation', :foreign_key => 'issue_to_id', :dependent => :delete_all
               acts_as_attachable :after_add => :attachment_added, :after_remove => :attachment_removed
               acts_as_customizable
               acts_as_watchable
               acts_as_searchable :columns => ['subject', "#{table_name}.description"],
                                  :preload => [:project, :status, :tracker],
                                  :scope => lambda {|options| options[:open_issues] ? self.open : self.all}
               acts_as_event :title => Proc.new {|o| "#{o.tracker.name} ##{o.id} (#{o.status}): #{o.subject}"},
                             :url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.id}},
                             :type => Proc.new {|o| 'issue' + (o.closed? ? ' closed' : '') }
               acts_as_activity_provider :scope => preload(:project, :author, :tracker),
                                         :author_key => :author_id
               DONE_RATIO_OPTIONS = %w(issue_field issue_status)
               attr_reader :current_journal
               delegate :notes, :notes=, :private_notes, :private_notes=, :to => :current_journal, :allow_nil => true
               validates_presence_of :subject, :project, :tracker
               validates_presence_of :priority, :if => Proc.new {|issue| issue.new_record? || issue.priority_id_changed?}
               validates_presence_of :status, :if => Proc.new {|issue| issue.new_record? || issue.status_id_changed?}
               validates_presence_of :author, :if => Proc.new {|issue| issue.new_record? || issue.author_id_changed?}
               validates_length_of :subject, :maximum => 255
               validates_inclusion_of :done_ratio, :in => 0..100
               validates :estimated_hours, :numericality => {:greater_than_or_equal_to => 0, :allow_nil => true, :message => :invalid}
               validates :start_date, :date => true
               validates :due_date, :date => true
               validate :validate_issue, :validate_required_fields
               attr_protected :id
               scope :visible, lambda {|*args|
                 joins(:project).
                 where(Issue.visible_condition(args.shift || User.current, *args))
               }
               scope :open, lambda {|*args|
                 is_closed = args.size > 0 ? !args.first : false
                 joins(:status).
                 where("#{IssueStatus.table_name}.is_closed = ?", is_closed)
               }
               scope :recently_updated, lambda { order("#{Issue.table_name}.updated_on DESC") }
               scope :on_active_project, lambda {
                 joins(:project).
                 where("#{Project.table_name}.status = ?", Project::STATUS_ACTIVE)
               }
               scope :fixed_version, lambda {|versions|
                 ids = [versions].flatten.compact.map {|v| v.is_a?(Version) ? v.id : v}
                 ids.any? ? where(:fixed_version_id => ids) : where('1=0')
               }
               before_create :default_assign
               before_save :close_duplicates, :update_done_ratio_from_issue_status,
                           :force_updated_on_change, :update_closed_on, :set_assigned_to_was
               after_save {|issue| issue.send :after_project_change if !issue.id_changed? && issue.project_id_changed?}
               after_save :reschedule_following_issues, :update_nested_set_attributes,
                          :update_parent_attributes, :create_journal
               # Should be after_create but would be called before previous after_save callbacks
               after_save :after_create_from_copy
               after_destroy :update_parent_attributes
               after_create :send_notification
               # Keep it at the end of after_save callbacks
               after_save :clear_assigned_to_was
               # Returns a SQL conditions string used to find all issues visible by the specified user
               def self.visible_condition(user, options={})
                 Project.allowed_to_condition(user, :view_issues, options) do |role, user|
                   if user.id && user.logged?
                     case role.issues_visibility
                     when 'all'
                       nil
                     when 'default'
                       user_ids = [user.id] + user.groups.map(&:id).compact
                       "(#{table_name}.is_private = #{connection.quoted_false} OR #{table_name}.author_id = #{user.id} OR #{table_name}.assigned_to_id IN (#{user_ids.join(',')}))"
                     when 'own'
                       user_ids = [user.id] + user.groups.map(&:id).compact
                       "(#{table_name}.author_id = #{user.id} OR #{table_name}.assigned_to_id IN (#{user_ids.join(',')}))"
                     else
                       '1=0'
                     end
                   else
                     "(#{table_name}.is_private = #{connection.quoted_false})"
                   end
                 end
               end
               # Returns true if usr or current user is allowed to view the issue
               def visible?(usr=nil)
                 (usr || User.current).allowed_to?(:view_issues, self.project) do |role, user|
                   if user.logged?
                     case role.issues_visibility
                     when 'all'
                       true
                     when 'default'
                       !self.is_private? || (self.author == user || user.is_or_belongs_to?(assigned_to))
                     when 'own'
                       self.author == user || user.is_or_belongs_to?(assigned_to)
                     else
                       false
                     end
                   else
                     !self.is_private?
                   end
                 end
               end
               # Returns true if user or current user is allowed to edit or add a note to the issue
               def editable?(user=User.current)
                 attributes_editable?(user) || user.allowed_to?(:add_issue_notes, project)
               end
               # Returns true if user or current user is allowed to edit the issue
               def attributes_editable?(user=User.current)
                 user.allowed_to?(:edit_issues, project)
               end
               def initialize(attributes=nil, *args)
                 super
                 if new_record?
                   # set default values for new records only
                   self.priority ||= IssuePriority.default
                   self.watcher_user_ids = []
                 end
               end
               def create_or_update
                 super
               ensure
                 @status_was = nil
               end
               private :create_or_update
               # AR#Persistence#destroy would raise and RecordNotFound exception
               # if the issue was already deleted or updated (non matching lock_version).
               # This is a problem when bulk deleting issues or deleting a project
               # (because an issue may already be deleted if its parent was deleted
               # first).
               # The issue is reloaded by the nested_set before being deleted so
               # the lock_version condition should not be an issue but we handle it.
               def destroy
                 super
               rescue ActiveRecord::StaleObjectError, ActiveRecord::RecordNotFound
                 # Stale or already deleted
                 begin
                   reload
                 rescue ActiveRecord::RecordNotFound
                   # The issue was actually already deleted
                   @destroyed = true
                   return freeze
                 end
                 # The issue was stale, retry to destroy
                 super
               end
               alias :base_reload :reload
               def reload(*args)
                 @workflow_rule_by_attribute = nil
                 @assignable_versions = nil
                 @relations = nil
                 @spent_hours = nil
                 base_reload(*args)
               end
               # Overrides Redmine::Acts::Customizable::InstanceMethods#available_custom_fields
               def available_custom_fields
                 (project && tracker) ? (project.all_issue_custom_fields & tracker.custom_fields) : []
               end
               def visible_custom_field_values(user=nil)
                 user_real = user || User.current
                 custom_field_values.select do |value|
                   value.custom_field.visible_by?(project, user_real)
                 end
               end
               # Copies attributes from another issue, arg can be an id or an Issue
               def copy_from(arg, options={})
                 issue = arg.is_a?(Issue) ? arg : Issue.visible.find(arg)
                 self.attributes = issue.attributes.dup.except("id", "root_id", "parent_id", "lft", "rgt", "created_on", "updated_on")
                 self.custom_field_values = issue.custom_field_values.inject({}) {|h,v| h[v.custom_field_id] = v.value; h}
                 self.status = issue.status
                 self.author = User.current
                 unless options[:attachments] == false
                   self.attachments = issue.attachments.map do |attachement|
                     attachement.copy(:container => self)
                   end
                 end
                 @copied_from = issue
                 @copy_options = options
                 self
               end
               # Returns an unsaved copy of the issue
               def copy(attributes=nil, copy_options={})
                 copy = self.class.new.copy_from(self, copy_options)
                 copy.attributes = attributes if attributes
                 copy
               end
               # Returns true if the issue is a copy
               def copy?
                 @copied_from.present?
               end
               def status_id=(status_id)
                 if status_id.to_s != self.status_id.to_s
                   self.status = (status_id.present? ? IssueStatus.find_by_id(status_id) : nil)
                 end
                 self.status_id
               end
               # Sets the status.
               def status=(status)
                 if status != self.status
                   @workflow_rule_by_attribute = nil
                 end
                 association(:status).writer(status)
               end
               def priority_id=(pid)
                 self.priority = nil
                 write_attribute(:priority_id, pid)
               end
               def category_id=(cid)
                 self.category = nil
                 write_attribute(:category_id, cid)
               end
               def fixed_version_id=(vid)
                 self.fixed_version = nil
                 write_attribute(:fixed_version_id, vid)
               end
               def tracker_id=(tracker_id)
                 if tracker_id.to_s != self.tracker_id.to_s
                   self.tracker = (tracker_id.present? ? Tracker.find_by_id(tracker_id) : nil)
                 end
                 self.tracker_id
               end
               # Sets the tracker.
               # This will set the status to the default status of the new tracker if:
               # * the status was the default for the previous tracker
               # * or if the status was not part of the new tracker statuses
               # * or the status was nil
               def tracker=(tracker)
                 if tracker != self.tracker
                   if status == default_status
                     self.status = nil
                   elsif status && tracker && !tracker.issue_status_ids.include?(status.id)
                     self.status = nil
                   end
                   @custom_field_values = nil
                   @workflow_rule_by_attribute = nil
                 end
                 association(:tracker).writer(tracker)
                 self.status ||= default_status
                 self.tracker
               end
               def project_id=(project_id)
                 if project_id.to_s != self.project_id.to_s
                   self.project = (project_id.present? ? Project.find_by_id(project_id) : nil)
                 end
                 self.project_id
               end
               # Sets the project.
               # Unless keep_tracker argument is set to true, this will change the tracker
               # to the first tracker of the new project if the previous tracker is not part
               # of the new project trackers.
               # This will clear the fixed_version is it's no longer valid for the new project.
               # This will clear the parent issue if it's no longer valid for the new project.
               # This will set the category to the category with the same name in the new
               # project if it exists, or clear it if it doesn't.
               def project=(project, keep_tracker=false)
                 project_was = self.project
                 association(:project).writer(project)
                 if project_was && project && project_was != project
                   @assignable_versions = nil
                   unless keep_tracker || project.trackers.include?(tracker)
                     self.tracker = project.trackers.first
                   end
                   # Reassign to the category with same name if any
                   if category
                     self.category = project.issue_categories.find_by_name(category.name)
                   end
                   # Keep the fixed_version if it's still valid in the new_project
                   if fixed_version && fixed_version.project != project && !project.shared_versions.include?(fixed_version)
                     self.fixed_version = nil
                   end
                   # Clear the parent task if it's no longer valid
                   unless valid_parent_project?
                     self.parent_issue_id = nil
                   end
                   @custom_field_values = nil
                   @workflow_rule_by_attribute = nil
                 end
                 self.project
               end
               def description=(arg)
                 if arg.is_a?(String)
                   arg = arg.gsub(/(\r\n|\n|\r)/, "\r\n")
                 end
                 write_attribute(:description, arg)
               end
               # Overrides assign_attributes so that project and tracker get assigned first
               def assign_attributes_with_project_and_tracker_first(new_attributes, *args)
                 return if new_attributes.nil?
                 attrs = new_attributes.dup
                 attrs.stringify_keys!
                 %w(project project_id tracker tracker_id).each do |attr|
                   if attrs.has_key?(attr)
                     send "#{attr}=", attrs.delete(attr)
                   end
                 end
                 send :assign_attributes_without_project_and_tracker_first, attrs, *args
               end
               # Do not redefine alias chain on reload (see #4838)
               alias_method_chain(:assign_attributes, :project_and_tracker_first) unless method_defined?(:assign_attributes_without_project_and_tracker_first)
               def attributes=(new_attributes)
                 assign_attributes new_attributes
               end
               def estimated_hours=(h)
                 write_attribute :estimated_hours, (h.is_a?(String) ? h.to_hours : h)
               end
               safe_attributes 'project_id',
                 'tracker_id',
                 'status_id',
                 'category_id',
                 'assigned_to_id',
                 'priority_id',
                 'fixed_version_id',
                 'subject',
                 'description',
                 'start_date',
                 'due_date',
                 'done_ratio',
                 'estimated_hours',
                 'custom_field_values',
                 'custom_fields',
                 'lock_version',
                 'notes',
                 :if => lambda {|issue, user| issue.new_record? || user.allowed_to?(:edit_issues, issue.project) }
               safe_attributes 'notes',
                 :if => lambda {|issue, user| user.allowed_to?(:add_issue_notes, issue.project)}
               safe_attributes 'private_notes',
                 :if => lambda {|issue, user| !issue.new_record? && user.allowed_to?(:set_notes_private, issue.project)}
               safe_attributes 'watcher_user_ids',
                 :if => lambda {|issue, user| issue.new_record? && user.allowed_to?(:add_issue_watchers, issue.project)}
               safe_attributes 'is_private',
                 :if => lambda {|issue, user|
                   user.allowed_to?(:set_issues_private, issue.project) ||
                     (issue.author_id == user.id && user.allowed_to?(:set_own_issues_private, issue.project))
                 }
               safe_attributes 'parent_issue_id',
                 :if => lambda {|issue, user| (issue.new_record? || user.allowed_to?(:edit_issues, issue.project)) &&
                   user.allowed_to?(:manage_subtasks, issue.project)}
               def safe_attribute_names(user=nil)
                 names = super
                 names -= disabled_core_fields
                 names -= read_only_attribute_names(user)
                 if new_record?
                  	# Make sure that project_id can always be set for new issues
                   names |= %w(project_id)
                 end
                 names
               end
               # Safely sets attributes
               # Should be called from controllers instead of #attributes=
               # attr_accessible is too rough because we still want things like
               # Issue.new(:project => foo) to work
               def safe_attributes=(attrs, user=User.current)
                 return unless attrs.is_a?(Hash)
                 attrs = attrs.deep_dup
                 # Project and Tracker must be set before since new_statuses_allowed_to depends on it.
                 if (p = attrs.delete('project_id')) && safe_attribute?('project_id')
                   if allowed_target_projects(user).where(:id => p.to_i).exists?
                     self.project_id = p
                   end
                 end
                 if (t = attrs.delete('tracker_id')) && safe_attribute?('tracker_id')
                   self.tracker_id = t
                 end
                 if (s = attrs.delete('status_id')) && safe_attribute?('status_id')
                   if new_statuses_allowed_to(user).collect(&:id).include?(s.to_i)
                     self.status_id = s
                   end
                 end
                 attrs = delete_unsafe_attributes(attrs, user)
                 return if attrs.empty?
                 unless leaf?
                   attrs.reject! {|k,v| %w(priority_id done_ratio start_date due_date estimated_hours).include?(k)}
                 end
                 if attrs['parent_issue_id'].present?
                   s = attrs['parent_issue_id'].to_s
                   unless (m = s.match(%r{\A#?(\d+)\z})) && (m[1] == parent_id.to_s || Issue.visible(user).exists?(m[1]))
                     @invalid_parent_issue_id = attrs.delete('parent_issue_id')
                   end
                 end
                 if attrs['custom_field_values'].present?
                   editable_custom_field_ids = editable_custom_field_values(user).map {|v| v.custom_field_id.to_s}
                   attrs['custom_field_values'].select! {|k, v| editable_custom_field_ids.include?(k.to_s)}
                 end
                 if attrs['custom_fields'].present?
                   editable_custom_field_ids = editable_custom_field_values(user).map {|v| v.custom_field_id.to_s}
                   attrs['custom_fields'].select! {|c| editable_custom_field_ids.include?(c['id'].to_s)}
                 end
                 # mass-assignment security bypass
                 assign_attributes attrs, :without_protection => true
               end
               def disabled_core_fields
                 tracker ? tracker.disabled_core_fields : []
               end
               # Returns the custom_field_values that can be edited by the given user
               def editable_custom_field_values(user=nil)
                 visible_custom_field_values(user).reject do |value|
                   read_only_attribute_names(user).include?(value.custom_field_id.to_s)
                 end
               end
               # Returns the custom fields that can be edited by the given user
               def editable_custom_fields(user=nil)
                 editable_custom_field_values(user).map(&:custom_field).uniq
               end
               # Returns the names of attributes that are read-only for user or the current user
               # For users with multiple roles, the read-only fields are the intersection of
               # read-only fields of each role
               # The result is an array of strings where sustom fields are represented with their ids
               #
               # Examples:
               #   issue.read_only_attribute_names # => ['due_date', '2']
               #   issue.read_only_attribute_names(user) # => []
               def read_only_attribute_names(user=nil)
                 workflow_rule_by_attribute(user).reject {|attr, rule| rule != 'readonly'}.keys
               end
               # Returns the names of required attributes for user or the current user
               # For users with multiple roles, the required fields are the intersection of
               # required fields of each role
               # The result is an array of strings where sustom fields are represented with their ids
               #
               # Examples:
               #   issue.required_attribute_names # => ['due_date', '2']
               #   issue.required_attribute_names(user) # => []
               def required_attribute_names(user=nil)
                 workflow_rule_by_attribute(user).reject {|attr, rule| rule != 'required'}.keys
               end
               # Returns true if the attribute is required for user
               def required_attribute?(name, user=nil)
                 required_attribute_names(user).include?(name.to_s)
               end
               # Returns a hash of the workflow rule by attribute for the given user
               #
               # Examples:
               #   issue.workflow_rule_by_attribute # => {'due_date' => 'required', 'start_date' => 'readonly'}
               def workflow_rule_by_attribute(user=nil)
                 return @workflow_rule_by_attribute if @workflow_rule_by_attribute && user.nil?
                 user_real = user || User.current
                 roles = user_real.admin ? Role.all.to_a : user_real.roles_for_project(project)
                 roles = roles.select(&:consider_workflow?)
                 return {} if roles.empty?
                 result = {}
                 workflow_permissions = WorkflowPermission.where(:tracker_id => tracker_id, :old_status_id => status_id, :role_id => roles.map(&:id)).to_a
                 if workflow_permissions.any?
                   workflow_rules = workflow_permissions.inject({}) do |h, wp|
                     h[wp.field_name] ||= []
                     h[wp.field_name] << wp.rule
                     h
                   end
                   workflow_rules.each do |attr, rules|
                     next if rules.size < roles.size
                     uniq_rules = rules.uniq
                     if uniq_rules.size == 1
                       result[attr] = uniq_rules.first
                     else
                       result[attr] = 'required'
                     end
                   end
                 end
                 @workflow_rule_by_attribute = result if user.nil?
                 result
               end
               private :workflow_rule_by_attribute
               def done_ratio
                 if Issue.use_status_for_done_ratio? && status && status.default_done_ratio
                   status.default_done_ratio
                 else
                   read_attribute(:done_ratio)
                 end
               end
               def self.use_status_for_done_ratio?
                 Setting.issue_done_ratio == 'issue_status'
               end
               def self.use_field_for_done_ratio?
                 Setting.issue_done_ratio == 'issue_field'
               end
               def validate_issue
                 if due_date && start_date && (start_date_changed? || due_date_changed?) && due_date < start_date
                   errors.add :due_date, :greater_than_start_date
                 end
                 if start_date && start_date_changed? && soonest_start && start_date < soonest_start
                   errors.add :start_date, :earlier_than_minimum_start_date, :date => format_date(soonest_start)
                 end
                 if fixed_version
                   if !assignable_versions.include?(fixed_version)
                     errors.add :fixed_version_id, :inclusion
                   elsif reopening? && fixed_version.closed?
                     errors.add :base, I18n.t(:error_can_not_reopen_issue_on_closed_version)
                   end
                 end
                 # Checks that the issue can not be added/moved to a disabled tracker
                 if project && (tracker_id_changed? || project_id_changed?)
                   unless project.trackers.include?(tracker)
                     errors.add :tracker_id, :inclusion
                   end
                 end
                 # Checks parent issue assignment
                 if @invalid_parent_issue_id.present?
                   errors.add :parent_issue_id, :invalid
                 elsif @parent_issue
                   if !valid_parent_project?(@parent_issue)
                     errors.add :parent_issue_id, :invalid
                   elsif (@parent_issue != parent) && (all_dependent_issues.include?(@parent_issue) || @parent_issue.all_dependent_issues.include?(self))
                     errors.add :parent_issue_id, :invalid
                   elsif !new_record?
                     # moving an existing issue
                     if move_possible?(@parent_issue)
                       # move accepted
                     else
                       errors.add :parent_issue_id, :invalid
                     end
                   end
                 end
               end
               # Validates the issue against additional workflow requirements
               def validate_required_fields
                 user = new_record? ? author : current_journal.try(:user)
                 required_attribute_names(user).each do |attribute|
                   if attribute =~ /^\d+$/
                     attribute = attribute.to_i
                     v = custom_field_values.detect {|v| v.custom_field_id == attribute }
                     if v && v.value.blank?
                       errors.add :base, v.custom_field.name + ' ' + l('activerecord.errors.messages.blank')
                     end
                   else
                     if respond_to?(attribute) && send(attribute).blank? && !disabled_core_fields.include?(attribute)
                       errors.add attribute, :blank
                     end
                   end
                 end
               end
               # Set the done_ratio using the status if that setting is set.  This will keep the done_ratios
               # even if the user turns off the setting later
               def update_done_ratio_from_issue_status
                 if Issue.use_status_for_done_ratio? && status && status.default_done_ratio
                   self.done_ratio = status.default_done_ratio
                 end
               end
               def init_journal(user, notes = "")
                 @current_journal ||= Journal.new(:journalized => self, :user => user, :notes => notes)
               end
               # Returns the current journal or nil if it's not initialized
               def current_journal
                 @current_journal
               end
               # Returns the names of attributes that are journalized when updating the issue
               def journalized_attribute_names
                 Issue.column_names - %w(id root_id lft rgt lock_version created_on updated_on closed_on)
               end
               # Returns the id of the last journal or nil
               def last_journal_id
                 if new_record?
                   nil
                 else
                   journals.maximum(:id)
                 end
               end
               # Returns a scope for journals that have an id greater than journal_id
               def journals_after(journal_id)
                 scope = journals.reorder("#{Journal.table_name}.id ASC")
                 if journal_id.present?
                   scope = scope.where("#{Journal.table_name}.id > ?", journal_id.to_i)
                 end
                 scope
               end
               # Returns the initial status of the issue
               # Returns nil for a new issue
               def status_was
                 if status_id_changed?
                   if status_id_was.to_i > 0
                     @status_was ||= IssueStatus.find_by_id(status_id_was)
                   end
                 else
                   @status_was ||= status
                 end
               end
               # Return true if the issue is closed, otherwise false
               def closed?
                 status.present? && status.is_closed?
               end
               # Returns true if the issue was closed when loaded
               def was_closed?
                 status_was.present? && status_was.is_closed?
               end
               # Return true if the issue is being reopened
               def reopening?
                 if new_record?
                   false
                 else
                   status_id_changed? && !closed? && was_closed?
                 end
               end
               alias :reopened? :reopening?
               # Return true if the issue is being closed
               def closing?
                 if new_record?
                   closed?
                 else
                   status_id_changed? && closed? && !was_closed?
                 end
               end
               # Returns true if the issue is overdue
               def overdue?
                 due_date.present? && (due_date < Date.today) && !closed?
               end
               # Is the amount of work done less than it should for the due date
               def behind_schedule?
                 return false if start_date.nil? || due_date.nil?
                 done_date = start_date + ((due_date - start_date + 1) * done_ratio / 100).floor
                 return done_date <= Date.today
               end
               # Does this issue have children?
               def children?
                 !leaf?
               end
               # Users the issue can be assigned to
               def assignable_users
                 users = project.assignable_users.to_a
                 users << author if author
                 users << assigned_to if assigned_to
                 users.uniq.sort
               end
               # Versions that the issue can be assigned to
               def assignable_versions
                 return @assignable_versions if @assignable_versions
                 versions = project.shared_versions.open.to_a
                 if fixed_version
                   if fixed_version_id_changed?
                     # nothing to do
                   elsif project_id_changed?
                     if project.shared_versions.include?(fixed_version)
                       versions << fixed_version
                     end
                   else
                     versions << fixed_version
                   end
                 end
                 @assignable_versions = versions.uniq.sort
               end
               # Returns true if this issue is blocked by another issue that is still open
               def blocked?
                 !relations_to.detect {|ir| ir.relation_type == 'blocks' && !ir.issue_from.closed?}.nil?
               end
               # Returns the default status of the issue based on its tracker
               # Returns nil if tracker is nil
               def default_status
                 tracker.try(:default_status)
               end
               # Returns an array of statuses that user is able to apply
               def new_statuses_allowed_to(user=User.current, include_default=false)
                 if new_record? && @copied_from
                   [default_status, @copied_from.status].compact.uniq.sort
                 else
                   initial_status = nil
                   if new_record?
                     initial_status = default_status
                   elsif tracker_id_changed?
                     if Tracker.where(:id => tracker_id_was, :default_status_id => status_id_was).any?
                       initial_status = default_status
                     elsif tracker.issue_status_ids.include?(status_id_was)
                       initial_status = IssueStatus.find_by_id(status_id_was)
                     else
                       initial_status = default_status
                     end
                   else
                     initial_status = status_was
                   end
                   initial_assigned_to_id = assigned_to_id_changed? ? assigned_to_id_was : assigned_to_id
                   assignee_transitions_allowed = initial_assigned_to_id.present? &&
                     (user.id == initial_assigned_to_id || user.group_ids.include?(initial_assigned_to_id))
                   statuses = []
                   if initial_status
                     statuses += initial_status.find_new_statuses_allowed_to(
                       user.admin ? Role.all.to_a : user.roles_for_project(project),
                       tracker,
                       author == user,
                       assignee_transitions_allowed
                       )
                   end
                   statuses << initial_status unless statuses.empty?
                   statuses << default_status if include_default
                   statuses = statuses.compact.uniq.sort
                   if blocked?
                     statuses.reject!(&:is_closed?)
                   end
                   statuses
                 end
               end
-              # Returns the previous assignee if changed
+              # Returns the previous assignee (user or group) if changed
               def assigned_to_was
                 # assigned_to_id_was is reset before after_save callbacks
                 user_id = @previous_assigned_to_id || assigned_to_id_was
                 if user_id && user_id != assigned_to_id
-                  @assigned_to_was ||= User.find_by_id(user_id)
+                  @assigned_to_was ||= Principal.find_by_id(user_id)
                 end
               end
               # Returns the users that should be notified
               def notified_users
                 notified = []
                 # Author and assignee are always notified unless they have been
                 # locked or don't want to be notified
                 notified << author if author
                 if assigned_to
                   notified += (assigned_to.is_a?(Group) ? assigned_to.users : [assigned_to])
                 end
                 if assigned_to_was
                   notified += (assigned_to_was.is_a?(Group) ? assigned_to_was.users : [assigned_to_was])
                 end
                 notified = notified.select {|u| u.active? && u.notify_about?(self)}
                 notified += project.notified_users
                 notified.uniq!
                 # Remove users that can not view the issue
                 notified.reject! {|user| !visible?(user)}
                 notified
               end
               # Returns the email addresses that should be notified
               def recipients
                 notified_users.collect(&:mail)
               end
               def each_notification(users, &block)
                 if users.any?
                   if custom_field_values.detect {|value| !value.custom_field.visible?}
                     users_by_custom_field_visibility = users.group_by do |user|
                       visible_custom_field_values(user).map(&:custom_field_id).sort
                     end
                     users_by_custom_field_visibility.values.each do |users|
                       yield(users)
                     end
                   else
                     yield(users)
                   end
                 end
               end
               # Returns the number of hours spent on this issue
               def spent_hours
                 @spent_hours ||= time_entries.sum(:hours) || 0
               end
               # Returns the total number of hours spent on this issue and its descendants
               #
               # Example:
               #   spent_hours => 0.0
               #   spent_hours => 50.2
               def total_spent_hours
                 @total_spent_hours ||=
                   self_and_descendants.
                     joins("LEFT JOIN #{TimeEntry.table_name} ON #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id").
                     sum("#{TimeEntry.table_name}.hours").to_f || 0.0
               end
               def relations
                 @relations ||= IssueRelation::Relations.new(self, (relations_from + relations_to).sort)
               end
               # Preloads relations for a collection of issues
               def self.load_relations(issues)
                 if issues.any?
                   relations = IssueRelation.where("issue_from_id IN (:ids) OR issue_to_id IN (:ids)", :ids => issues.map(&:id)).all
                   issues.each do |issue|
                     issue.instance_variable_set "@relations", relations.select {|r| r.issue_from_id == issue.id || r.issue_to_id == issue.id}
                   end
                 end
               end
               # Preloads visible spent time for a collection of issues
               def self.load_visible_spent_hours(issues, user=User.current)
                 if issues.any?
                   hours_by_issue_id = TimeEntry.visible(user).group(:issue_id).sum(:hours)
                   issues.each do |issue|
                     issue.instance_variable_set "@spent_hours", (hours_by_issue_id[issue.id] || 0)
                   end
                 end
               end
               # Preloads visible relations for a collection of issues
               def self.load_visible_relations(issues, user=User.current)
                 if issues.any?
                   issue_ids = issues.map(&:id)
                   # Relations with issue_from in given issues and visible issue_to
                   relations_from = IssueRelation.joins(:issue_to => :project).
                                      where(visible_condition(user)).where(:issue_from_id => issue_ids).to_a
                   # Relations with issue_to in given issues and visible issue_from
                   relations_to = IssueRelation.joins(:issue_from => :project).
                                      where(visible_condition(user)).
                                      where(:issue_to_id => issue_ids).to_a
                   issues.each do |issue|
                     relations =
                       relations_from.select {|relation| relation.issue_from_id == issue.id} +
                       relations_to.select {|relation| relation.issue_to_id == issue.id}
                     issue.instance_variable_set "@relations", IssueRelation::Relations.new(issue, relations.sort)
                   end
                 end
               end
               # Finds an issue relation given its id.
               def find_relation(relation_id)
                 IssueRelation.where("issue_to_id = ? OR issue_from_id = ?", id, id).find(relation_id)
               end
               # Returns all the other issues that depend on the issue
               # The algorithm is a modified breadth first search (bfs)
               def all_dependent_issues(except=[])
                 # The found dependencies
                 dependencies = []
                 # The visited flag for every node (issue) used by the breadth first search
                 eNOT_DISCOVERED         = 0       # The issue is "new" to the algorithm, it has not seen it before.
                 ePROCESS_ALL            = 1       # The issue is added to the queue. Process both children and relations of
                                                   # the issue when it is processed.
                 ePROCESS_RELATIONS_ONLY = 2       # The issue was added to the queue and will be output as dependent issue,
                                                   # but its children will not be added to the queue when it is processed.
                 eRELATIONS_PROCESSED    = 3       # The related issues, the parent issue and the issue itself have been added to
                                                   # the queue, but its children have not been added.
                 ePROCESS_CHILDREN_ONLY  = 4       # The relations and the parent of the issue have been added to the queue, but
                                                   # the children still need to be processed.
                 eALL_PROCESSED          = 5       # The issue and all its children, its parent and its related issues have been
                                                   # added as dependent issues. It needs no further processing.
                 issue_status = Hash.new(eNOT_DISCOVERED)
                 # The queue
                 queue = []
                 # Initialize the bfs, add start node (self) to the queue
                 queue << self
                 issue_status[self] = ePROCESS_ALL
                 while (!queue.empty?) do
                   current_issue = queue.shift
                   current_issue_status = issue_status[current_issue]
                   dependencies << current_issue
                   # Add parent to queue, if not already in it.
                   parent = current_issue.parent
                   parent_status = issue_status[parent]
                   if parent && (parent_status == eNOT_DISCOVERED) && !except.include?(parent)
                     queue << parent
                     issue_status[parent] = ePROCESS_RELATIONS_ONLY
                   end
                   # Add children to queue, but only if they are not already in it and
                   # the children of the current node need to be processed.
                   if (current_issue_status == ePROCESS_CHILDREN_ONLY || current_issue_status == ePROCESS_ALL)
                     current_issue.children.each do |child|
                       next if except.include?(child)
                       if (issue_status[child] == eNOT_DISCOVERED)
                         queue << child
                         issue_status[child] = ePROCESS_ALL
                       elsif (issue_status[child] == eRELATIONS_PROCESSED)
                         queue << child
                         issue_status[child] = ePROCESS_CHILDREN_ONLY
                       elsif (issue_status[child] == ePROCESS_RELATIONS_ONLY)
                         queue << child
                         issue_status[child] = ePROCESS_ALL
                       end
                     end
                   end
                   # Add related issues to the queue, if they are not already in it.
                   current_issue.relations_from.map(&:issue_to).each do |related_issue|
                     next if except.include?(related_issue)
                     if (issue_status[related_issue] == eNOT_DISCOVERED)
                       queue << related_issue
                       issue_status[related_issue] = ePROCESS_ALL
                     elsif (issue_status[related_issue] == eRELATIONS_PROCESSED)
                       queue << related_issue
                       issue_status[related_issue] = ePROCESS_CHILDREN_ONLY
                     elsif (issue_status[related_issue] == ePROCESS_RELATIONS_ONLY)
                       queue << related_issue
                       issue_status[related_issue] = ePROCESS_ALL
                     end
                   end
                   # Set new status for current issue
                   if (current_issue_status == ePROCESS_ALL) || (current_issue_status == ePROCESS_CHILDREN_ONLY)
                     issue_status[current_issue] = eALL_PROCESSED
                   elsif (current_issue_status == ePROCESS_RELATIONS_ONLY)
                     issue_status[current_issue] = eRELATIONS_PROCESSED
                   end
                 end # while
                 # Remove the issues from the "except" parameter from the result array
                 dependencies -= except
                 dependencies.delete(self)
                 dependencies
               end
               # Returns an array of issues that duplicate this one
               def duplicates
                 relations_to.select {|r| r.relation_type == IssueRelation::TYPE_DUPLICATES}.collect {|r| r.issue_from}
               end
               # Returns the due date or the target due date if any
               # Used on gantt chart
               def due_before
                 due_date || (fixed_version ? fixed_version.effective_date : nil)
               end
               # Returns the time scheduled for this issue.
               #
               # Example:
               #   Start Date: 2/26/09, End Date: 3/04/09
               #   duration => 6
               def duration
                 (start_date && due_date) ? due_date - start_date : 0
               end
               # Returns the duration in working days
               def working_duration
                 (start_date && due_date) ? working_days(start_date, due_date) : 0
               end
               def soonest_start(reload=false)
                 @soonest_start = nil if reload
                 @soonest_start ||= (
                     relations_to(reload).collect{|relation| relation.successor_soonest_start} +
                     [(@parent_issue || parent).try(:soonest_start)]
                   ).compact.max
               end
               # Sets start_date on the given date or the next working day
               # and changes due_date to keep the same working duration.
               def reschedule_on(date)
                 wd = working_duration
                 date = next_working_date(date)
                 self.start_date = date
                 self.due_date = add_working_days(date, wd)
               end
               # Reschedules the issue on the given date or the next working day and saves the record.
               # If the issue is a parent task, this is done by rescheduling its subtasks.
               def reschedule_on!(date)
                 return if date.nil?
                 if leaf?
                   if start_date.nil? || start_date != date
                     if start_date && start_date > date
                       # Issue can not be moved earlier than its soonest start date
                       date = [soonest_start(true), date].compact.max
                     end
                     reschedule_on(date)
                     begin
                       save
                     rescue ActiveRecord::StaleObjectError
                       reload
                       reschedule_on(date)
                       save
                     end
                   end
                 else
                   leaves.each do |leaf|
                     if leaf.start_date
                       # Only move subtask if it starts at the same date as the parent
                       # or if it starts before the given date
                       if start_date == leaf.start_date || date > leaf.start_date
                         leaf.reschedule_on!(date)
                       end
                     else
                       leaf.reschedule_on!(date)
                     end
                   end
                 end
               end
               def <=>(issue)
                 if issue.nil?
                   -1
                 elsif root_id != issue.root_id
                   (root_id || 0) <=> (issue.root_id || 0)
                 else
                   (lft || 0) <=> (issue.lft || 0)
                 end
               end
               def to_s
                 "#{tracker} ##{id}: #{subject}"
               end
               # Returns a string of css classes that apply to the issue
               def css_classes(user=User.current)
                 s = "issue tracker-#{tracker_id} status-#{status_id} #{priority.try(:css_classes)}"
                 s << ' closed' if closed?
                 s << ' overdue' if overdue?
                 s << ' child' if child?
                 s << ' parent' unless leaf?
                 s << ' private' if is_private?
                 if user.logged?
                   s << ' created-by-me' if author_id == user.id
                   s << ' assigned-to-me' if assigned_to_id == user.id
                   s << ' assigned-to-my-group' if user.groups.any? {|g| g.id == assigned_to_id}
                 end
                 s
               end
               # Unassigns issues from +version+ if it's no longer shared with issue's project
               def self.update_versions_from_sharing_change(version)
                 # Update issues assigned to the version
                 update_versions(["#{Issue.table_name}.fixed_version_id = ?", version.id])
               end
               # Unassigns issues from versions that are no longer shared
               # after +project+ was moved
               def self.update_versions_from_hierarchy_change(project)
                 moved_project_ids = project.self_and_descendants.reload.collect(&:id)
                 # Update issues of the moved projects and issues assigned to a version of a moved project
                 Issue.update_versions(
                         ["#{Version.table_name}.project_id IN (?) OR #{Issue.table_name}.project_id IN (?)",
                          moved_project_ids, moved_project_ids]
                       )
               end
               def parent_issue_id=(arg)
                 s = arg.to_s.strip.presence
                 if s && (m = s.match(%r{\A#?(\d+)\z})) && (@parent_issue = Issue.find_by_id(m[1]))
                   @invalid_parent_issue_id = nil
                 elsif s.blank?
                   @parent_issue = nil
                   @invalid_parent_issue_id = nil
                 else
                   @parent_issue = nil
                   @invalid_parent_issue_id = arg
                 end
               end
               def parent_issue_id
                 if @invalid_parent_issue_id
                   @invalid_parent_issue_id
                 elsif instance_variable_defined? :@parent_issue
                   @parent_issue.nil? ? nil : @parent_issue.id
                 else
                   parent_id
                 end
               end
               def set_parent_id
                 self.parent_id = parent_issue_id
               end
               # Returns true if issue's project is a valid
               # parent issue project
               def valid_parent_project?(issue=parent)
                 return true if issue.nil? || issue.project_id == project_id
                 case Setting.cross_project_subtasks
                 when 'system'
                   true
                 when 'tree'
                   issue.project.root == project.root
                 when 'hierarchy'
                   issue.project.is_or_is_ancestor_of?(project) || issue.project.is_descendant_of?(project)
                 when 'descendants'
                   issue.project.is_or_is_ancestor_of?(project)
                 else
                   false
                 end
               end
               # Returns an issue scope based on project and scope
               def self.cross_project_scope(project, scope=nil)
                 if project.nil?
                   return Issue
                 end
                 case scope
                 when 'all', 'system'
                   Issue
                 when 'tree'
                   Issue.joins(:project).where("(#{Project.table_name}.lft >= :lft AND #{Project.table_name}.rgt <= :rgt)",
                                               :lft => project.root.lft, :rgt => project.root.rgt)
                 when 'hierarchy'
                   Issue.joins(:project).where("(#{Project.table_name}.lft >= :lft AND #{Project.table_name}.rgt <= :rgt) OR (#{Project.table_name}.lft < :lft AND #{Project.table_name}.rgt > :rgt)",
                                               :lft => project.lft, :rgt => project.rgt)
                 when 'descendants'
                   Issue.joins(:project).where("(#{Project.table_name}.lft >= :lft AND #{Project.table_name}.rgt <= :rgt)",
                                               :lft => project.lft, :rgt => project.rgt)
                 else
                   Issue.where(:project_id => project.id)
                 end
               end
               def self.by_tracker(project)
                 count_and_group_by(:project => project, :association => :tracker)
               end
               def self.by_version(project)
                 count_and_group_by(:project => project, :association => :fixed_version)
               end
               def self.by_priority(project)
                 count_and_group_by(:project => project, :association => :priority)
               end
               def self.by_category(project)
                 count_and_group_by(:project => project, :association => :category)
               end
               def self.by_assigned_to(project)
                 count_and_group_by(:project => project, :association => :assigned_to)
               end
               def self.by_author(project)
                 count_and_group_by(:project => project, :association => :author)
               end
               def self.by_subproject(project)
                 r = count_and_group_by(:project => project, :with_subprojects => true, :association => :project)
                 r.reject {|r| r["project_id"] == project.id.to_s}
               end
               # Query generator for selecting groups of issue counts for a project
               # based on specific criteria
               #
               # Options
               # * project - Project to search in.
               # * with_subprojects - Includes subprojects issues if set to true.
               # * association - Symbol. Association for grouping.
               def self.count_and_group_by(options)
                 assoc = reflect_on_association(options[:association])
                 select_field = assoc.foreign_key
                 Issue.
                   visible(User.current, :project => options[:project], :with_subprojects => options[:with_subprojects]).
                   joins(:status, assoc.name).
                   group(:status_id, :is_closed, select_field).
                   count.
                   map do |columns, total|
                     status_id, is_closed, field_value = columns
                     is_closed = ['t', 'true', '1'].include?(is_closed.to_s)
                     {
                       "status_id" => status_id.to_s,
                       "closed" => is_closed,
                       select_field => field_value.to_s,
                       "total" => total.to_s
                     }
                   end
               end
               # Returns a scope of projects that user can assign the issue to
               def allowed_target_projects(user=User.current)
                 current_project = new_record? ? nil : project
                 self.class.allowed_target_projects(user, current_project)
               end
               # Returns a scope of projects that user can assign issues to
               # If current_project is given, it will be included in the scope
               def self.allowed_target_projects(user=User.current, current_project=nil)
                 condition = Project.allowed_to_condition(user, :add_issues)
                 if current_project
                   condition = ["(#{condition}) OR #{Project.table_name}.id = ?", current_project.id]
                 end
                 Project.where(condition)
               end
               private
               def after_project_change
                 # Update project_id on related time entries
                 TimeEntry.where({:issue_id => id}).update_all(["project_id = ?", project_id])
                 # Delete issue relations
                 unless Setting.cross_project_issue_relations?
                   relations_from.clear
                   relations_to.clear
                 end
                 # Move subtasks that were in the same project
                 children.each do |child|
                   next unless child.project_id == project_id_was
                   # Change project and keep project
                   child.send :project=, project, true
                   unless child.save
                     raise ActiveRecord::Rollback
                   end
                 end
               end
               # Callback for after the creation of an issue by copy
               # * adds a "copied to" relation with the copied issue
               # * copies subtasks from the copied issue
               def after_create_from_copy
                 return unless copy? && !@after_create_from_copy_handled
                 if (@copied_from.project_id == project_id || Setting.cross_project_issue_relations?) && @copy_options[:link] != false
                   if @current_journal
                     @copied_from.init_journal(@current_journal.user)
                   end
                   relation = IssueRelation.new(:issue_from => @copied_from, :issue_to => self, :relation_type => IssueRelation::TYPE_COPIED_TO)
                   unless relation.save
                     logger.error "Could not create relation while copying ##{@copied_from.id} to ##{id} due to validation errors: #{relation.errors.full_messages.join(', ')}" if logger
                   end
                 end
                 unless @copied_from.leaf? || @copy_options[:subtasks] == false
                   copy_options = (@copy_options || {}).merge(:subtasks => false)
                   copied_issue_ids = {@copied_from.id => self.id}
                   @copied_from.reload.descendants.reorder("#{Issue.table_name}.lft").each do |child|
                     # Do not copy self when copying an issue as a descendant of the copied issue
                     next if child == self
                     # Do not copy subtasks of issues that were not copied
                     next unless copied_issue_ids[child.parent_id]
                     # Do not copy subtasks that are not visible to avoid potential disclosure of private data
                     unless child.visible?
                       logger.error "Subtask ##{child.id} was not copied during ##{@copied_from.id} copy because it is not visible to the current user" if logger
                       next
                     end
                     copy = Issue.new.copy_from(child, copy_options)
                     if @current_journal
                       copy.init_journal(@current_journal.user)
                     end
                     copy.author = author
                     copy.project = project
                     copy.parent_issue_id = copied_issue_ids[child.parent_id]
                     unless copy.save
                       logger.error "Could not copy subtask ##{child.id} while copying ##{@copied_from.id} to ##{id} due to validation errors: #{copy.errors.full_messages.join(', ')}" if logger
                       next
                     end
                     copied_issue_ids[child.id] = copy.id
                   end
                 end
                 @after_create_from_copy_handled = true
               end
               def update_nested_set_attributes
                 if parent_id_changed?
                   update_nested_set_attributes_on_parent_change
                 end
                 remove_instance_variable(:@parent_issue) if instance_variable_defined?(:@parent_issue)
               end
               # Updates the nested set for when an existing issue is moved
               def update_nested_set_attributes_on_parent_change
                 former_parent_id = parent_id_was
                 # delete invalid relations of all descendants
                 self_and_descendants.each do |issue|
                   issue.relations.each do |relation|
                     relation.destroy unless relation.valid?
                   end
                 end
                 # update former parent
                 recalculate_attributes_for(former_parent_id) if former_parent_id
               end
               def update_parent_attributes
                 if parent_id
                   recalculate_attributes_for(parent_id)
                   association(:parent).reset
                 end
               end
               def recalculate_attributes_for(issue_id)
                 if issue_id && p = Issue.find_by_id(issue_id)
                   # priority = highest priority of children
                   if priority_position = p.children.joins(:priority).maximum("#{IssuePriority.table_name}.position")
                     p.priority = IssuePriority.find_by_position(priority_position)
                   end
                   # start/due dates = lowest/highest dates of children
                   p.start_date = p.children.minimum(:start_date)
                   p.due_date = p.children.maximum(:due_date)
                   if p.start_date && p.due_date && p.due_date < p.start_date
                     p.start_date, p.due_date = p.due_date, p.start_date
                   end
                   # done ratio = weighted average ratio of leaves
                   unless Issue.use_status_for_done_ratio? && p.status && p.status.default_done_ratio
                     leaves_count = p.leaves.count
                     if leaves_count > 0
                       average = p.leaves.where("estimated_hours > 0").average(:estimated_hours).to_f
                       if average == 0
                         average = 1
                       end
                       done = p.leaves.joins(:status).
                         sum("COALESCE(CASE WHEN estimated_hours > 0 THEN estimated_hours ELSE NULL END, #{average}) " +
                             "* (CASE WHEN is_closed = #{self.class.connection.quoted_true} THEN 100 ELSE COALESCE(done_ratio, 0) END)").to_f
                       progress = done / (average * leaves_count)
                       p.done_ratio = progress.round
                     end
                   end
                   # estimate = sum of leaves estimates
                   p.estimated_hours = p.leaves.sum(:estimated_hours).to_f
                   p.estimated_hours = nil if p.estimated_hours == 0.0
                   # ancestors will be recursively updated
                   p.save(:validate => false)
                 end
               end
               # Update issues so their versions are not pointing to a
               # fixed_version that is not shared with the issue's project
               def self.update_versions(conditions=nil)
                 # Only need to update issues with a fixed_version from
                 # a different project and that is not systemwide shared
                 Issue.joins(:project, :fixed_version).
                   where("#{Issue.table_name}.fixed_version_id IS NOT NULL" +
                     " AND #{Issue.table_name}.project_id <> #{Version.table_name}.project_id" +
                     " AND #{Version.table_name}.sharing <> 'system'").
                   where(conditions).each do |issue|
                   next if issue.project.nil? || issue.fixed_version.nil?
                   unless issue.project.shared_versions.include?(issue.fixed_version)
                     issue.init_journal(User.current)
                     issue.fixed_version = nil
                     issue.save
                   end
                 end
               end
               # Callback on file attachment
               def attachment_added(attachment)
                 if current_journal && !attachment.new_record?
                   current_journal.journalize_attachment(attachment, :added)
                 end
               end
               # Callback on attachment deletion
               def attachment_removed(attachment)
                 if current_journal && !attachment.new_record?
                   current_journal.journalize_attachment(attachment, :removed)
                   current_journal.save
                 end
               end
               # Called after a relation is added
               def relation_added(relation)
                 if current_journal
                   current_journal.journalize_relation(relation, :added)
                   current_journal.save
                 end
               end
               # Called after a relation is removed
               def relation_removed(relation)
                 if current_journal
                   current_journal.journalize_relation(relation, :removed)
                   current_journal.save
                 end
               end
               # Default assignment based on category
               def default_assign
                 if assigned_to.nil? && category && category.assigned_to
                   self.assigned_to = category.assigned_to
                 end
               end
               # Updates start/due dates of following issues
               def reschedule_following_issues
                 if start_date_changed? || due_date_changed?
                   relations_from.each do |relation|
                     relation.set_issue_to_dates
                   end
                 end
               end
               # Closes duplicates if the issue is being closed
               def close_duplicates
                 if closing?
                   duplicates.each do |duplicate|
                     # Reload is needed in case the duplicate was updated by a previous duplicate
                     duplicate.reload
                     # Don't re-close it if it's already closed
                     next if duplicate.closed?
                     # Same user and notes
                     if @current_journal
                       duplicate.init_journal(@current_journal.user, @current_journal.notes)
                     end
                     duplicate.update_attribute :status, self.status
                   end
                 end
               end
               # Make sure updated_on is updated when adding a note and set updated_on now
               # so we can set closed_on with the same value on closing
               def force_updated_on_change
                 if @current_journal || changed?
                   self.updated_on = current_time_from_proper_timezone
                   if new_record?
                     self.created_on = updated_on
                   end
                 end
               end
               # Callback for setting closed_on when the issue is closed.
               # The closed_on attribute stores the time of the last closing
               # and is preserved when the issue is reopened.
               def update_closed_on
                 if closing?
                   self.closed_on = updated_on
                 end
               end
               # Saves the changes in a Journal
               # Called after_save
               def create_journal
                 if current_journal
                   current_journal.save
                 end
               end
               def send_notification
                 if Setting.notified_events.include?('issue_added')
                   Mailer.deliver_issue_add(self)
                 end
               end
               # Stores the previous assignee so we can still have access
               # to it during after_save callbacks (assigned_to_id_was is reset)
               def set_assigned_to_was
                 @previous_assigned_to_id = assigned_to_id_was
               end
               # Clears the previous assignee at the end of after_save callbacks
               def clear_assigned_to_was
                 @assigned_to_was = nil
                 @previous_assigned_to_id = nil
               end
             end

test/unit/issue_test.rb +8 0

             # Redmine - project management software
             # Copyright (C) 2006-2015  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require File.expand_path('../../test_helper', __FILE__)
             class IssueTest < ActiveSupport::TestCase
               fixtures :projects, :users, :email_addresses, :members, :member_roles, :roles,
                        :groups_users,
                        :trackers, :projects_trackers,
                        :enabled_modules,
                        :versions,
                        :issue_statuses, :issue_categories, :issue_relations, :workflows,
                        :enumerations,
                        :issues, :journals, :journal_details,
                        :custom_fields, :custom_fields_projects, :custom_fields_trackers, :custom_values,
                        :time_entries
               include Redmine::I18n
               def setup
                 set_language_if_valid 'en'
               end
               def teardown
                 User.current = nil
               end
               def test_initialize
                 issue = Issue.new
                 assert_nil issue.project_id
                 assert_nil issue.tracker_id
                 assert_nil issue.status_id
                 assert_nil issue.author_id
                 assert_nil issue.assigned_to_id
                 assert_nil issue.category_id
                 assert_equal IssuePriority.default, issue.priority
               end
               def test_create
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 3,
                                   :status_id => 1, :priority => IssuePriority.all.first,
                                   :subject => 'test_create',
                                   :description => 'IssueTest#test_create', :estimated_hours => '1:30')
                 assert issue.save
                 issue.reload
                 assert_equal 1.5, issue.estimated_hours
               end
               def test_create_minimal
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 3, :subject => 'test_create')
                 assert issue.save
                 assert_equal issue.tracker.default_status, issue.status
                 assert issue.description.nil?
                 assert_nil issue.estimated_hours
               end
               def test_start_date_format_should_be_validated
                 set_language_if_valid 'en'
                 ['2012', 'ABC', '2012-15-20'].each do |invalid_date|
                   issue = Issue.new(:start_date => invalid_date)
                   assert !issue.valid?
                   assert_include 'Start date is not a valid date', issue.errors.full_messages, "No error found for invalid date #{invalid_date}"
                 end
               end
               def test_due_date_format_should_be_validated
                 set_language_if_valid 'en'
                 ['2012', 'ABC', '2012-15-20'].each do |invalid_date|
                   issue = Issue.new(:due_date => invalid_date)
                   assert !issue.valid?
                   assert_include 'Due date is not a valid date', issue.errors.full_messages, "No error found for invalid date #{invalid_date}"
                 end
               end
               def test_due_date_lesser_than_start_date_should_not_validate
                 set_language_if_valid 'en'
                 issue = Issue.new(:start_date => '2012-10-06', :due_date => '2012-10-02')
                 assert !issue.valid?
                 assert_include 'Due date must be greater than start date', issue.errors.full_messages
               end
               def test_start_date_lesser_than_soonest_start_should_not_validate_on_create
                 issue = Issue.generate(:start_date => '2013-06-04')
                 issue.stubs(:soonest_start).returns(Date.parse('2013-06-10'))
                 assert !issue.valid?
                 assert_include "Start date cannot be earlier than 06/10/2013 because of preceding issues", issue.errors.full_messages
               end
               def test_start_date_lesser_than_soonest_start_should_not_validate_on_update_if_changed
                 issue = Issue.generate!(:start_date => '2013-06-04')
                 issue.stubs(:soonest_start).returns(Date.parse('2013-06-10'))
                 issue.start_date = '2013-06-07'
                 assert !issue.valid?
                 assert_include "Start date cannot be earlier than 06/10/2013 because of preceding issues", issue.errors.full_messages
               end
               def test_start_date_lesser_than_soonest_start_should_validate_on_update_if_unchanged
                 issue = Issue.generate!(:start_date => '2013-06-04')
                 issue.stubs(:soonest_start).returns(Date.parse('2013-06-10'))
                 assert issue.valid?
               end
               def test_estimated_hours_should_be_validated
                 set_language_if_valid 'en'
                 ['-2'].each do |invalid|
                   issue = Issue.new(:estimated_hours => invalid)
                   assert !issue.valid?
                   assert_include 'Estimated time is invalid', issue.errors.full_messages
                 end
               end
               def test_create_with_required_custom_field
                 set_language_if_valid 'en'
                 field = IssueCustomField.find_by_name('Database')
                 field.update_attribute(:is_required, true)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :subject => 'test_create',
                                   :description => 'IssueTest#test_create_with_required_custom_field')
                 assert issue.available_custom_fields.include?(field)
                 # No value for the custom field
                 assert !issue.save
                 assert_equal ["Database cannot be blank"], issue.errors.full_messages
                 # Blank value
                 issue.custom_field_values = { field.id => '' }
                 assert !issue.save
                 assert_equal ["Database cannot be blank"], issue.errors.full_messages
                 # Invalid value
                 issue.custom_field_values = { field.id => 'SQLServer' }
                 assert !issue.save
                 assert_equal ["Database is not included in the list"], issue.errors.full_messages
                 # Valid value
                 issue.custom_field_values = { field.id => 'PostgreSQL' }
                 assert issue.save
                 issue.reload
                 assert_equal 'PostgreSQL', issue.custom_value_for(field).value
               end
               def test_create_with_group_assignment
                 with_settings :issue_group_assignment => '1' do
                   assert Issue.new(:project_id => 2, :tracker_id => 1, :author_id => 1,
                                    :subject => 'Group assignment',
                                    :assigned_to_id => 11).save
                   issue = Issue.order('id DESC').first
                   assert_kind_of Group, issue.assigned_to
                   assert_equal Group.find(11), issue.assigned_to
                 end
               end
               def test_create_with_parent_issue_id
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 1, :subject => 'Group assignment',
                                   :parent_issue_id => 1)
                 assert_save issue
                 assert_equal 1, issue.parent_issue_id
                 assert_equal Issue.find(1), issue.parent
               end
               def test_create_with_sharp_parent_issue_id
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 1, :subject => 'Group assignment',
                                   :parent_issue_id => "#1")
                 assert_save issue
                 assert_equal 1, issue.parent_issue_id
                 assert_equal Issue.find(1), issue.parent
               end
               def test_create_with_invalid_parent_issue_id
                 set_language_if_valid 'en'
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 1, :subject => 'Group assignment',
                                   :parent_issue_id => '01ABC')
                 assert !issue.save
                 assert_equal '01ABC', issue.parent_issue_id
                 assert_include 'Parent task is invalid', issue.errors.full_messages
               end
               def test_create_with_invalid_sharp_parent_issue_id
                 set_language_if_valid 'en'
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 1, :subject => 'Group assignment',
                                   :parent_issue_id => '#01ABC')
                 assert !issue.save
                 assert_equal '#01ABC', issue.parent_issue_id
                 assert_include 'Parent task is invalid', issue.errors.full_messages
               end
               def assert_visibility_match(user, issues)
                 assert_equal issues.collect(&:id).sort, Issue.all.select {|issue| issue.visible?(user)}.collect(&:id).sort
               end
               def test_visible_scope_for_anonymous
                 # Anonymous user should see issues of public projects only
                 issues = Issue.visible(User.anonymous).to_a
                 assert issues.any?
                 assert_nil issues.detect {|issue| !issue.project.is_public?}
                 assert_nil issues.detect {|issue| issue.is_private?}
                 assert_visibility_match User.anonymous, issues
               end
               def test_visible_scope_for_anonymous_without_view_issues_permissions
                 # Anonymous user should not see issues without permission
                 Role.anonymous.remove_permission!(:view_issues)
                 issues = Issue.visible(User.anonymous).to_a
                 assert issues.empty?
                 assert_visibility_match User.anonymous, issues
               end
               def test_visible_scope_for_anonymous_without_view_issues_permissions_and_membership
                 Role.anonymous.remove_permission!(:view_issues)
                 Member.create!(:project_id => 1, :principal => Group.anonymous, :role_ids => [2])
                 issues = Issue.visible(User.anonymous).all
                 assert issues.any?
                 assert_equal [1], issues.map(&:project_id).uniq.sort
                 assert_visibility_match User.anonymous, issues
               end
               def test_anonymous_should_not_see_private_issues_with_issues_visibility_set_to_default
                 assert Role.anonymous.update_attribute(:issues_visibility, 'default')
                 issue = Issue.generate!(:author => User.anonymous, :assigned_to => User.anonymous, :is_private => true)
                 assert_nil Issue.where(:id => issue.id).visible(User.anonymous).first
                 assert !issue.visible?(User.anonymous)
               end
               def test_anonymous_should_not_see_private_issues_with_issues_visibility_set_to_own
                 assert Role.anonymous.update_attribute(:issues_visibility, 'own')
                 issue = Issue.generate!(:author => User.anonymous, :assigned_to => User.anonymous, :is_private => true)
                 assert_nil Issue.where(:id => issue.id).visible(User.anonymous).first
                 assert !issue.visible?(User.anonymous)
               end
               def test_visible_scope_for_non_member
                 user = User.find(9)
                 assert user.projects.empty?
                 # Non member user should see issues of public projects only
                 issues = Issue.visible(user).to_a
                 assert issues.any?
                 assert_nil issues.detect {|issue| !issue.project.is_public?}
                 assert_nil issues.detect {|issue| issue.is_private?}
                 assert_visibility_match user, issues
               end
               def test_visible_scope_for_non_member_with_own_issues_visibility
                 Role.non_member.update_attribute :issues_visibility, 'own'
                 Issue.create!(:project_id => 1, :tracker_id => 1, :author_id => 9, :subject => 'Issue by non member')
                 user = User.find(9)
                 issues = Issue.visible(user).to_a
                 assert issues.any?
                 assert_nil issues.detect {|issue| issue.author != user}
                 assert_visibility_match user, issues
               end
               def test_visible_scope_for_non_member_without_view_issues_permissions
                 # Non member user should not see issues without permission
                 Role.non_member.remove_permission!(:view_issues)
                 user = User.find(9)
                 assert user.projects.empty?
                 issues = Issue.visible(user).to_a
                 assert issues.empty?
                 assert_visibility_match user, issues
               end
               def test_visible_scope_for_non_member_without_view_issues_permissions_and_membership
                 Role.non_member.remove_permission!(:view_issues)
                 Member.create!(:project_id => 1, :principal => Group.non_member, :role_ids => [2])
                 user = User.find(9)
                 issues = Issue.visible(user).all
                 assert issues.any?
                 assert_equal [1], issues.map(&:project_id).uniq.sort
                 assert_visibility_match user, issues
               end
               def test_visible_scope_for_member
                 user = User.find(9)
                 # User should see issues of projects for which user has view_issues permissions only
                 Role.non_member.remove_permission!(:view_issues)
                 Member.create!(:principal => user, :project_id => 3, :role_ids => [2])
                 issues = Issue.visible(user).to_a
                 assert issues.any?
                 assert_nil issues.detect {|issue| issue.project_id != 3}
                 assert_nil issues.detect {|issue| issue.is_private?}
                 assert_visibility_match user, issues
               end
               def test_visible_scope_for_member_with_groups_should_return_assigned_issues
                 user = User.find(8)
                 assert user.groups.any?
                 Member.create!(:principal => user.groups.first, :project_id => 1, :role_ids => [2])
                 Role.non_member.remove_permission!(:view_issues)
                 issue = Issue.create!(:project_id => 1, :tracker_id => 1, :author_id => 3,
                   :status_id => 1, :priority => IssuePriority.all.first,
                   :subject => 'Assignment test',
                   :assigned_to => user.groups.first,
                   :is_private => true)
                 Role.find(2).update_attribute :issues_visibility, 'default'
                 issues = Issue.visible(User.find(8)).to_a
                 assert issues.any?
                 assert issues.include?(issue)
                 Role.find(2).update_attribute :issues_visibility, 'own'
                 issues = Issue.visible(User.find(8)).to_a
                 assert issues.any?
                 assert_include issue, issues
               end
               def test_visible_scope_for_admin
                 user = User.find(1)
                 user.members.each(&:destroy)
                 assert user.projects.empty?
                 issues = Issue.visible(user).to_a
                 assert issues.any?
                 # Admin should see issues on private projects that admin does not belong to
                 assert issues.detect {|issue| !issue.project.is_public?}
                 # Admin should see private issues of other users
                 assert issues.detect {|issue| issue.is_private? && issue.author != user}
                 assert_visibility_match user, issues
               end
               def test_visible_scope_with_project
                 project = Project.find(1)
                 issues = Issue.visible(User.find(2), :project => project).to_a
                 projects = issues.collect(&:project).uniq
                 assert_equal 1, projects.size
                 assert_equal project, projects.first
               end
               def test_visible_scope_with_project_and_subprojects
                 project = Project.find(1)
                 issues = Issue.visible(User.find(2), :project => project, :with_subprojects => true).to_a
                 projects = issues.collect(&:project).uniq
                 assert projects.size > 1
                 assert_equal [], projects.select {|p| !p.is_or_is_descendant_of?(project)}
               end
               def test_visible_and_nested_set_scopes
                 user = User.generate!
                 parent = Issue.generate!(:assigned_to => user)
                 assert parent.visible?(user)
                 child1 = Issue.generate!(:parent_issue_id => parent.id, :assigned_to => user)
                 child2 = Issue.generate!(:parent_issue_id => parent.id, :assigned_to => user)
                 parent.reload
                 child1.reload
                 child2.reload
                 assert child1.visible?(user)
                 assert child2.visible?(user)
                 assert_equal 2, parent.descendants.count
                 assert_equal 2, parent.descendants.visible(user).count
                 # awesome_nested_set 2-1-stable branch has regression.
                 # https://github.com/collectiveidea/awesome_nested_set/commit/3d5ac746542b564f6586c2316180254b088bebb6
                 # ActiveRecord::StatementInvalid: SQLite3::SQLException: ambiguous column name: lft:
                 assert_equal 2, parent.descendants.collect{|i| i}.size
                 assert_equal 2, parent.descendants.visible(user).collect{|i| i}.size
               end
               def test_visible_scope_with_unsaved_user_should_not_raise_an_error
                 user = User.new
                 assert_nothing_raised do
                   Issue.visible(user).to_a
                 end
               end
               def test_open_scope
                 issues = Issue.open.to_a
                 assert_nil issues.detect(&:closed?)
               end
               def test_open_scope_with_arg
                 issues = Issue.open(false).to_a
                 assert_equal issues, issues.select(&:closed?)
               end
               def test_fixed_version_scope_with_a_version_should_return_its_fixed_issues
                 version = Version.find(2)
                 assert version.fixed_issues.any?
                 assert_equal version.fixed_issues.to_a.sort, Issue.fixed_version(version).to_a.sort
               end
               def test_fixed_version_scope_with_empty_array_should_return_no_result
                 assert_equal 0, Issue.fixed_version([]).count
               end
               def test_errors_full_messages_should_include_custom_fields_errors
                 field = IssueCustomField.find_by_name('Database')
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :subject => 'test_create',
                                   :description => 'IssueTest#test_create_with_required_custom_field')
                 assert issue.available_custom_fields.include?(field)
                 # Invalid value
                 issue.custom_field_values = { field.id => 'SQLServer' }
                 assert !issue.valid?
                 assert_equal 1, issue.errors.full_messages.size
                 assert_equal "Database #{I18n.translate('activerecord.errors.messages.inclusion')}",
                              issue.errors.full_messages.first
               end
               def test_update_issue_with_required_custom_field
                 field = IssueCustomField.find_by_name('Database')
                 field.update_attribute(:is_required, true)
                 issue = Issue.find(1)
                 assert_nil issue.custom_value_for(field)
                 assert issue.available_custom_fields.include?(field)
                 # No change to custom values, issue can be saved
                 assert issue.save
                 # Blank value
                 issue.custom_field_values = { field.id => '' }
                 assert !issue.save
                 # Valid value
                 issue.custom_field_values = { field.id => 'PostgreSQL' }
                 assert issue.save
                 issue.reload
                 assert_equal 'PostgreSQL', issue.custom_value_for(field).value
               end
               def test_should_not_update_attributes_if_custom_fields_validation_fails
                 issue = Issue.find(1)
                 field = IssueCustomField.find_by_name('Database')
                 assert issue.available_custom_fields.include?(field)
                 issue.custom_field_values = { field.id => 'Invalid' }
                 issue.subject = 'Should be not be saved'
                 assert !issue.save
                 issue.reload
                 assert_equal "Cannot print recipes", issue.subject
               end
               def test_should_not_recreate_custom_values_objects_on_update
                 field = IssueCustomField.find_by_name('Database')
                 issue = Issue.find(1)
                 issue.custom_field_values = { field.id => 'PostgreSQL' }
                 assert issue.save
                 custom_value = issue.custom_value_for(field)
                 issue.reload
                 issue.custom_field_values = { field.id => 'MySQL' }
                 assert issue.save
                 issue.reload
                 assert_equal custom_value.id, issue.custom_value_for(field).id
               end
               def test_should_not_update_custom_fields_on_changing_tracker_with_different_custom_fields
                 issue = Issue.create!(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                       :status_id => 1, :subject => 'Test',
                                       :custom_field_values => {'2' => 'Test'})
                 assert !Tracker.find(2).custom_field_ids.include?(2)
                 issue = Issue.find(issue.id)
                 issue.attributes = {:tracker_id => 2, :custom_field_values => {'1' => ''}}
                 issue = Issue.find(issue.id)
                 custom_value = issue.custom_value_for(2)
                 assert_not_nil custom_value
                 assert_equal 'Test', custom_value.value
               end
               def test_assigning_tracker_id_should_reload_custom_fields_values
                 issue = Issue.new(:project => Project.find(1))
                 assert issue.custom_field_values.empty?
                 issue.tracker_id = 1
                 assert issue.custom_field_values.any?
               end
               def test_assigning_attributes_should_assign_project_and_tracker_first
                 seq = sequence('seq')
                 issue = Issue.new
                 issue.expects(:project_id=).in_sequence(seq)
                 issue.expects(:tracker_id=).in_sequence(seq)
                 issue.expects(:subject=).in_sequence(seq)
                 issue.attributes = {:tracker_id => 2, :project_id => 1, :subject => 'Test'}
               end
               def test_assigning_tracker_and_custom_fields_should_assign_custom_fields
                 attributes = ActiveSupport::OrderedHash.new
                 attributes['custom_field_values'] = { '1' => 'MySQL' }
                 attributes['tracker_id'] = '1'
                 issue = Issue.new(:project => Project.find(1))
                 issue.attributes = attributes
                 assert_equal 'MySQL', issue.custom_field_value(1)
               end
               def test_reload_should_reload_custom_field_values
                 issue = Issue.generate!
                 issue.custom_field_values = {'2' => 'Foo'}
                 issue.save!
                 issue = Issue.order('id desc').first
                 assert_equal 'Foo', issue.custom_field_value(2)
                 issue.custom_field_values = {'2' => 'Bar'}
                 assert_equal 'Bar', issue.custom_field_value(2)
                 issue.reload
                 assert_equal 'Foo', issue.custom_field_value(2)
               end
               def test_should_update_issue_with_disabled_tracker
                 p = Project.find(1)
                 issue = Issue.find(1)
                 p.trackers.delete(issue.tracker)
                 assert !p.trackers.include?(issue.tracker)
                 issue.reload
                 issue.subject = 'New subject'
                 assert issue.save
               end
               def test_should_not_set_a_disabled_tracker
                 p = Project.find(1)
                 p.trackers.delete(Tracker.find(2))
                 issue = Issue.find(1)
                 issue.tracker_id = 2
                 issue.subject = 'New subject'
                 assert !issue.save
                 assert_not_equal [], issue.errors[:tracker_id]
               end
               def test_category_based_assignment
                 issue = Issue.create(:project_id => 1, :tracker_id => 1, :author_id => 3,
                                      :status_id => 1, :priority => IssuePriority.all.first,
                                      :subject => 'Assignment test',
                                      :description => 'Assignment test', :category_id => 1)
                 assert_equal IssueCategory.find(1).assigned_to, issue.assigned_to
               end
               def test_new_statuses_allowed_to
                 WorkflowTransition.delete_all
                 WorkflowTransition.create!(:role_id => 1, :tracker_id => 1,
                                            :old_status_id => 1, :new_status_id => 2,
                                            :author => false, :assignee => false)
                 WorkflowTransition.create!(:role_id => 1, :tracker_id => 1,
                                            :old_status_id => 1, :new_status_id => 3,
                                            :author => true, :assignee => false)
                 WorkflowTransition.create!(:role_id => 1, :tracker_id => 1,
                                            :old_status_id => 1, :new_status_id => 4,
                                            :author => false, :assignee => true)
                 WorkflowTransition.create!(:role_id => 1, :tracker_id => 1,
                                            :old_status_id => 1, :new_status_id => 5,
                                            :author => true, :assignee => true)
                 status = IssueStatus.find(1)
                 role = Role.find(1)
                 tracker = Tracker.find(1)
                 user = User.find(2)
                 issue = Issue.generate!(:tracker => tracker, :status => status,
                                         :project_id => 1, :author_id => 1)
                 assert_equal [1, 2], issue.new_statuses_allowed_to(user).map(&:id)
                 issue = Issue.generate!(:tracker => tracker, :status => status,
                                         :project_id => 1, :author => user)
                 assert_equal [1, 2, 3, 5], issue.new_statuses_allowed_to(user).map(&:id)
                 issue = Issue.generate!(:tracker => tracker, :status => status,
                                         :project_id => 1, :author_id => 1,
                                         :assigned_to => user)
                 assert_equal [1, 2, 4, 5], issue.new_statuses_allowed_to(user).map(&:id)
                 issue = Issue.generate!(:tracker => tracker, :status => status,
                                         :project_id => 1, :author => user,
                                         :assigned_to => user)
                 assert_equal [1, 2, 3, 4, 5], issue.new_statuses_allowed_to(user).map(&:id)
                 group = Group.generate!
                 group.users << user
                 issue = Issue.generate!(:tracker => tracker, :status => status,
                                         :project_id => 1, :author => user,
                                         :assigned_to => group)
                 assert_equal [1, 2, 3, 4, 5], issue.new_statuses_allowed_to(user).map(&:id)
               end
               def test_new_statuses_allowed_to_should_consider_group_assignment
                 WorkflowTransition.delete_all
                 WorkflowTransition.create!(:role_id => 1, :tracker_id => 1,
                                            :old_status_id => 1, :new_status_id => 4,
                                            :author => false, :assignee => true)
                 user = User.find(2)
                 group = Group.generate!
                 group.users << user
                 issue = Issue.generate!(:author_id => 1, :assigned_to => group)
                 assert_include 4, issue.new_statuses_allowed_to(user).map(&:id)
               end
               def test_new_statuses_allowed_to_should_return_all_transitions_for_admin
                 admin = User.find(1)
                 issue = Issue.find(1)
                 assert !admin.member_of?(issue.project)
                 expected_statuses = [issue.status] +
                                         WorkflowTransition.where(:old_status_id => issue.status_id).
                                             map(&:new_status).uniq.sort
                 assert_equal expected_statuses, issue.new_statuses_allowed_to(admin)
               end
               def test_new_statuses_allowed_to_should_return_default_and_current_status_when_copying
                 issue = Issue.find(1).copy
                 assert_equal [1], issue.new_statuses_allowed_to(User.find(2)).map(&:id)
                 issue = Issue.find(2).copy
                 assert_equal [1, 2], issue.new_statuses_allowed_to(User.find(2)).map(&:id)
               end
               def test_safe_attributes_names_should_not_include_disabled_field
                 tracker = Tracker.new(:core_fields => %w(assigned_to_id fixed_version_id))
                 issue = Issue.new(:tracker => tracker)
                 assert_include 'tracker_id', issue.safe_attribute_names
                 assert_include 'status_id', issue.safe_attribute_names
                 assert_include 'subject', issue.safe_attribute_names
                 assert_include 'description', issue.safe_attribute_names
                 assert_include 'custom_field_values', issue.safe_attribute_names
                 assert_include 'custom_fields', issue.safe_attribute_names
                 assert_include 'lock_version', issue.safe_attribute_names
                 tracker.core_fields.each do |field|
                   assert_include field, issue.safe_attribute_names
                 end
                 tracker.disabled_core_fields.each do |field|
                   assert_not_include field, issue.safe_attribute_names
                 end
               end
               def test_safe_attributes_should_ignore_disabled_fields
                 tracker = Tracker.find(1)
                 tracker.core_fields = %w(assigned_to_id due_date)
                 tracker.save!
                 issue = Issue.new(:tracker => tracker)
                 issue.safe_attributes = {'start_date' => '2012-07-14', 'due_date' => '2012-07-14'}
                 assert_nil issue.start_date
                 assert_equal Date.parse('2012-07-14'), issue.due_date
               end
               def test_safe_attributes_should_accept_target_tracker_enabled_fields
                 source = Tracker.find(1)
                 source.core_fields = []
                 source.save!
                 target = Tracker.find(2)
                 target.core_fields = %w(assigned_to_id due_date)
                 target.save!
                 issue = Issue.new(:tracker => source)
                 issue.safe_attributes = {'tracker_id' => 2, 'due_date' => '2012-07-14'}
                 assert_equal target, issue.tracker
                 assert_equal Date.parse('2012-07-14'), issue.due_date
               end
               def test_safe_attributes_should_not_include_readonly_fields
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'readonly')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1)
                 assert_equal %w(due_date), issue.read_only_attribute_names(user)
                 assert_not_include 'due_date', issue.safe_attribute_names(user)
                 issue.send :safe_attributes=, {'start_date' => '2012-07-14', 'due_date' => '2012-07-14'}, user
                 assert_equal Date.parse('2012-07-14'), issue.start_date
                 assert_nil issue.due_date
               end
               def test_safe_attributes_should_not_include_readonly_custom_fields
                 cf1 = IssueCustomField.create!(:name => 'Writable field',
                                                :field_format => 'string',
                                                :is_for_all => true, :tracker_ids => [1])
                 cf2 = IssueCustomField.create!(:name => 'Readonly field',
                                                :field_format => 'string',
                                                :is_for_all => true, :tracker_ids => [1])
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => cf2.id.to_s,
                                            :rule => 'readonly')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1)
                 assert_equal [cf2.id.to_s], issue.read_only_attribute_names(user)
                 assert_not_include cf2.id.to_s, issue.safe_attribute_names(user)
                 issue.send :safe_attributes=, {'custom_field_values' => {
                                                    cf1.id.to_s => 'value1', cf2.id.to_s => 'value2'
                                                  }}, user
                 assert_equal 'value1', issue.custom_field_value(cf1)
                 assert_nil issue.custom_field_value(cf2)
                 issue.send :safe_attributes=, {'custom_fields' => [
                                                   {'id' => cf1.id.to_s, 'value' => 'valuea'},
                                                   {'id' => cf2.id.to_s, 'value' => 'valueb'}
                                                 ]}, user
                 assert_equal 'valuea', issue.custom_field_value(cf1)
                 assert_nil issue.custom_field_value(cf2)
               end
               def test_editable_custom_field_values_should_return_non_readonly_custom_values
                 cf1 = IssueCustomField.create!(:name => 'Writable field', :field_format => 'string',
                                                :is_for_all => true, :tracker_ids => [1, 2])
                 cf2 = IssueCustomField.create!(:name => 'Readonly field', :field_format => 'string',
                                                :is_for_all => true, :tracker_ids => [1, 2])
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1, :role_id => 1,
                                            :field_name => cf2.id.to_s, :rule => 'readonly')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1)
                 values = issue.editable_custom_field_values(user)
                 assert values.detect {|value| value.custom_field == cf1}
                 assert_nil values.detect {|value| value.custom_field == cf2}
                 issue.tracker_id = 2
                 values = issue.editable_custom_field_values(user)
                 assert values.detect {|value| value.custom_field == cf1}
                 assert values.detect {|value| value.custom_field == cf2}
               end
               def test_editable_custom_fields_should_return_custom_field_that_is_enabled_for_the_role_only
                 enabled_cf = IssueCustomField.generate!(:is_for_all => true, :tracker_ids => [1], :visible => false, :role_ids => [1,2])
                 disabled_cf = IssueCustomField.generate!(:is_for_all => true, :tracker_ids => [1], :visible => false, :role_ids => [2])
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1)
                 assert_include enabled_cf, issue.editable_custom_fields(user)
                 assert_not_include disabled_cf, issue.editable_custom_fields(user)
               end
               def test_safe_attributes_should_accept_target_tracker_writable_fields
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'readonly')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 2,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'readonly')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1)
                 issue.send :safe_attributes=, {'start_date' => '2012-07-12',
                                                'due_date' => '2012-07-14'}, user
                 assert_equal Date.parse('2012-07-12'), issue.start_date
                 assert_nil issue.due_date
                 issue.send :safe_attributes=, {'start_date' => '2012-07-15',
                                                'due_date' => '2012-07-16',
                                                'tracker_id' => 2}, user
                 assert_equal Date.parse('2012-07-12'), issue.start_date
                 assert_equal Date.parse('2012-07-16'), issue.due_date
               end
               def test_safe_attributes_should_accept_target_status_writable_fields
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'readonly')
                 WorkflowPermission.create!(:old_status_id => 2, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'readonly')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1)
                 issue.send :safe_attributes=, {'start_date' => '2012-07-12',
                                                'due_date' => '2012-07-14'},
                                                user
                 assert_equal Date.parse('2012-07-12'), issue.start_date
                 assert_nil issue.due_date
                 issue.send :safe_attributes=, {'start_date' => '2012-07-15',
                                                 'due_date' => '2012-07-16',
                                                 'status_id' => 2},
                                               user
                 assert_equal Date.parse('2012-07-12'), issue.start_date
                 assert_equal Date.parse('2012-07-16'), issue.due_date
               end
               def test_required_attributes_should_be_validated
                 cf = IssueCustomField.create!(:name => 'Foo', :field_format => 'string',
                                               :is_for_all => true, :tracker_ids => [1, 2])
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'category_id',
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => cf.id.to_s,
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 2,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 2,
                                            :role_id => 1, :field_name => cf.id.to_s,
                                            :rule => 'required')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :status_id => 1, :subject => 'Required fields',
                                   :author => user)
                 assert_equal [cf.id.to_s, "category_id", "due_date"],
                              issue.required_attribute_names(user).sort
                 assert !issue.save, "Issue was saved"
                 assert_equal ["Category cannot be blank", "Due date cannot be blank", "Foo cannot be blank"],
                               issue.errors.full_messages.sort
                 issue.tracker_id = 2
                 assert_equal [cf.id.to_s, "start_date"], issue.required_attribute_names(user).sort
                 assert !issue.save, "Issue was saved"
                 assert_equal ["Foo cannot be blank", "Start date cannot be blank"],
                              issue.errors.full_messages.sort
                 issue.start_date = Date.today
                 issue.custom_field_values = {cf.id.to_s => 'bar'}
                 assert issue.save
               end
               def test_required_attribute_that_is_disabled_for_the_tracker_should_not_be_required
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'required')
                 user = User.find(2)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1,
                                   :subject => 'Required fields', :author => user)
                 assert !issue.save
                 assert_include "Start date cannot be blank", issue.errors.full_messages
                 tracker = Tracker.find(1)
                 tracker.core_fields -= %w(start_date)
                 tracker.save!
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1,
                                   :subject => 'Required fields', :author => user)
                 assert issue.save
               end
               def test_required_attribute_names_for_multiple_roles_should_intersect_rules
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'required')
                 user = User.find(2)
                 member = Member.find(1)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1)
                 assert_equal %w(due_date start_date), issue.required_attribute_names(user).sort
                 member.role_ids = [1, 2]
                 member.save!
                 assert_equal [], issue.required_attribute_names(user.reload)
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 2, :field_name => 'due_date',
                                            :rule => 'required')
                 assert_equal %w(due_date), issue.required_attribute_names(user)
                 member.role_ids = [1, 2, 3]
                 member.save!
                 assert_equal [], issue.required_attribute_names(user.reload)
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 2, :field_name => 'due_date',
                                            :rule => 'readonly')
                 # required + readonly => required
                 assert_equal %w(due_date), issue.required_attribute_names(user)
               end
               def test_read_only_attribute_names_for_multiple_roles_should_intersect_rules
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'due_date',
                                            :rule => 'readonly')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role_id => 1, :field_name => 'start_date',
                                            :rule => 'readonly')
                 user = User.find(2)
                 member = Member.find(1)
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1)
                 assert_equal %w(due_date start_date), issue.read_only_attribute_names(user).sort
                 member.role_ids = [1, 2]
                 member.save!
                 assert_equal [], issue.read_only_attribute_names(user.reload)
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                           :role_id => 2, :field_name => 'due_date',
                                           :rule => 'readonly')
                 assert_equal %w(due_date), issue.read_only_attribute_names(user)
               end
               def test_workflow_rules_should_ignore_roles_without_issue_permissions
                 role = Role.generate! :permissions => [:view_issues, :edit_issues]
                 ignored_role = Role.generate! :permissions => [:view_issues]
                 WorkflowPermission.delete_all
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role => role, :field_name => 'due_date',
                                            :rule => 'required')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role => role, :field_name => 'start_date',
                                            :rule => 'readonly')
                 WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 1,
                                            :role => role, :field_name => 'done_ratio',
                                            :rule => 'readonly')
                 user = User.generate!
                 User.add_to_project user, Project.find(1), [role, ignored_role]
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1)
                 assert_equal %w(due_date), issue.required_attribute_names(user)
                 assert_equal %w(done_ratio start_date), issue.read_only_attribute_names(user).sort
               end
               def test_copy
                 issue = Issue.new.copy_from(1)
                 assert issue.copy?
                 assert issue.save
                 issue.reload
                 orig = Issue.find(1)
                 assert_equal orig.subject, issue.subject
                 assert_equal orig.tracker, issue.tracker
                 assert_equal "125", issue.custom_value_for(2).value
               end
               def test_copy_should_copy_status
                 orig = Issue.find(8)
                 assert orig.status != orig.default_status
                 issue = Issue.new.copy_from(orig)
                 assert issue.save
                 issue.reload
                 assert_equal orig.status, issue.status
               end
               def test_copy_should_add_relation_with_copied_issue
                 copied = Issue.find(1)
                 issue = Issue.new.copy_from(copied)
                 assert issue.save
                 issue.reload
                 assert_equal 1, issue.relations.size
                 relation = issue.relations.first
                 assert_equal 'copied_to', relation.relation_type
                 assert_equal copied, relation.issue_from
                 assert_equal issue, relation.issue_to
               end
               def test_copy_should_copy_subtasks
                 issue = Issue.generate_with_descendants!
                 copy = issue.reload.copy
                 copy.author = User.find(7)
                 assert_difference 'Issue.count', 1+issue.descendants.count do
                   assert copy.save
                 end
                 copy.reload
                 assert_equal %w(Child1 Child2), copy.children.map(&:subject).sort
                 child_copy = copy.children.detect {|c| c.subject == 'Child1'}
                 assert_equal %w(Child11), child_copy.children.map(&:subject).sort
                 assert_equal copy.author, child_copy.author
               end
               def test_copy_as_a_child_of_copied_issue_should_not_copy_itself
                 parent = Issue.generate!
                 child1 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 1')
                 child2 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 2')
                 copy = parent.reload.copy
                 copy.parent_issue_id = parent.id
                 copy.author = User.find(7)
                 assert_difference 'Issue.count', 3 do
                   assert copy.save
                 end
                 parent.reload
                 copy.reload
                 assert_equal parent, copy.parent
                 assert_equal 3, parent.children.count
                 assert_equal 5, parent.descendants.count
                 assert_equal 2, copy.children.count
                 assert_equal 2, copy.descendants.count
               end
               def test_copy_as_a_descendant_of_copied_issue_should_not_copy_itself
                 parent = Issue.generate!
                 child1 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 1')
                 child2 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 2')
                 copy = parent.reload.copy
                 copy.parent_issue_id = child1.id
                 copy.author = User.find(7)
                 assert_difference 'Issue.count', 3 do
                   assert copy.save
                 end
                 parent.reload
                 child1.reload
                 copy.reload
                 assert_equal child1, copy.parent
                 assert_equal 2, parent.children.count
                 assert_equal 5, parent.descendants.count
                 assert_equal 1, child1.children.count
                 assert_equal 3, child1.descendants.count
                 assert_equal 2, copy.children.count
                 assert_equal 2, copy.descendants.count
               end
               def test_copy_should_copy_subtasks_to_target_project
                 issue = Issue.generate_with_descendants!
                 copy = issue.copy(:project_id => 3)
                 assert_difference 'Issue.count', 1+issue.descendants.count do
                   assert copy.save
                 end
                 assert_equal [3], copy.reload.descendants.map(&:project_id).uniq
               end
               def test_copy_should_not_copy_subtasks_twice_when_saving_twice
                 issue = Issue.generate_with_descendants!
                 copy = issue.reload.copy
                 assert_difference 'Issue.count', 1+issue.descendants.count do
                   assert copy.save
                   assert copy.save
                 end
               end
               def test_should_not_call_after_project_change_on_creation
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1,
                                   :subject => 'Test', :author_id => 1)
                 issue.expects(:after_project_change).never
                 issue.save!
               end
               def test_should_not_call_after_project_change_on_update
                 issue = Issue.find(1)
                 issue.project = Project.find(1)
                 issue.subject = 'No project change'
                 issue.expects(:after_project_change).never
                 issue.save!
               end
               def test_should_call_after_project_change_on_project_change
                 issue = Issue.find(1)
                 issue.project = Project.find(2)
                 issue.expects(:after_project_change).once
                 issue.save!
               end
               def test_adding_journal_should_update_timestamp
                 issue = Issue.find(1)
                 updated_on_was = issue.updated_on
                 issue.init_journal(User.first, "Adding notes")
                 assert_difference 'Journal.count' do
                   assert issue.save
                 end
                 issue.reload
                 assert_not_equal updated_on_was, issue.updated_on
               end
               def test_should_close_duplicates
                 # Create 3 issues
                 issue1 = Issue.generate!
                 issue2 = Issue.generate!
                 issue3 = Issue.generate!
                 # 2 is a dupe of 1
                 IssueRelation.create!(:issue_from => issue2, :issue_to => issue1,
                                       :relation_type => IssueRelation::TYPE_DUPLICATES)
                 # And 3 is a dupe of 2
             #    IssueRelation.create!(:issue_from => issue3, :issue_to => issue2,
             #                          :relation_type => IssueRelation::TYPE_DUPLICATES)
                 # And 3 is a dupe of 1 (circular duplicates)
                 IssueRelation.create!(:issue_from => issue3, :issue_to => issue1,
                                       :relation_type => IssueRelation::TYPE_DUPLICATES)
                 assert issue1.reload.duplicates.include?(issue2)
                 # Closing issue 1
                 issue1.init_journal(User.first, "Closing issue1")
                 issue1.status = IssueStatus.where(:is_closed => true).first
                 assert issue1.save
                 # 2 and 3 should be also closed
                 assert issue2.reload.closed?
                 assert issue3.reload.closed?
               end
               def test_should_not_close_duplicated_issue
                 issue1 = Issue.generate!
                 issue2 = Issue.generate!
                 # 2 is a dupe of 1
                 IssueRelation.create(:issue_from => issue2, :issue_to => issue1,
                                      :relation_type => IssueRelation::TYPE_DUPLICATES)
                 # 2 is a dup of 1 but 1 is not a duplicate of 2
                 assert !issue2.reload.duplicates.include?(issue1)
                 # Closing issue 2
                 issue2.init_journal(User.first, "Closing issue2")
                 issue2.status = IssueStatus.where(:is_closed => true).first
                 assert issue2.save
                 # 1 should not be also closed
                 assert !issue1.reload.closed?
               end
               def test_assignable_versions
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :fixed_version_id => 1,
                                   :subject => 'New issue')
                 assert_equal ['open'], issue.assignable_versions.collect(&:status).uniq
               end
               def test_should_not_be_able_to_assign_a_new_issue_to_a_closed_version
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :fixed_version_id => 1,
                                   :subject => 'New issue')
                 assert !issue.save
                 assert_not_equal [], issue.errors[:fixed_version_id]
               end
               def test_should_not_be_able_to_assign_a_new_issue_to_a_locked_version
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :fixed_version_id => 2,
                                   :subject => 'New issue')
                 assert !issue.save
                 assert_not_equal [], issue.errors[:fixed_version_id]
               end
               def test_should_be_able_to_assign_a_new_issue_to_an_open_version
                 issue = Issue.new(:project_id => 1, :tracker_id => 1, :author_id => 1,
                                   :status_id => 1, :fixed_version_id => 3,
                                   :subject => 'New issue')
                 assert issue.save
               end
               def test_should_be_able_to_update_an_issue_assigned_to_a_closed_version
                 issue = Issue.find(11)
                 assert_equal 'closed', issue.fixed_version.status
                 issue.subject = 'Subject changed'
                 assert issue.save
               end
               def test_should_not_be_able_to_reopen_an_issue_assigned_to_a_closed_version
                 issue = Issue.find(11)
                 issue.status_id = 1
                 assert !issue.save
                 assert_not_equal [], issue.errors[:base]
               end
               def test_should_be_able_to_reopen_and_reassign_an_issue_assigned_to_a_closed_version
                 issue = Issue.find(11)
                 issue.status_id = 1
                 issue.fixed_version_id = 3
                 assert issue.save
               end
               def test_should_be_able_to_reopen_an_issue_assigned_to_a_locked_version
                 issue = Issue.find(12)
                 assert_equal 'locked', issue.fixed_version.status
                 issue.status_id = 1
                 assert issue.save
               end
               def test_should_not_be_able_to_keep_unshared_version_when_changing_project
                 issue = Issue.find(2)
                 assert_equal 2, issue.fixed_version_id
                 issue.project_id = 3
                 assert_nil issue.fixed_version_id
                 issue.fixed_version_id = 2
                 assert !issue.save
                 assert_include 'Target version is not included in the list', issue.errors.full_messages
               end
               def test_should_keep_shared_version_when_changing_project
                 Version.find(2).update_attribute :sharing, 'tree'
                 issue = Issue.find(2)
                 assert_equal 2, issue.fixed_version_id
                 issue.project_id = 3
                 assert_equal 2, issue.fixed_version_id
                 assert issue.save
               end
               def test_allowed_target_projects_should_include_projects_with_issue_tracking_enabled
                 assert_include Project.find(2), Issue.allowed_target_projects(User.find(2))
               end
               def test_allowed_target_projects_should_not_include_projects_with_issue_tracking_disabled
                 Project.find(2).disable_module! :issue_tracking
                 assert_not_include Project.find(2), Issue.allowed_target_projects(User.find(2))
               end
               def test_move_to_another_project_with_same_category
                 issue = Issue.find(1)
                 issue.project = Project.find(2)
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.project_id
                 # Category changes
                 assert_equal 4, issue.category_id
                 # Make sure time entries were move to the target project
                 assert_equal 2, issue.time_entries.first.project_id
               end
               def test_move_to_another_project_without_same_category
                 issue = Issue.find(2)
                 issue.project = Project.find(2)
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.project_id
                 # Category cleared
                 assert_nil issue.category_id
               end
               def test_move_to_another_project_should_clear_fixed_version_when_not_shared
                 issue = Issue.find(1)
                 issue.update_attribute(:fixed_version_id, 1)
                 issue.project = Project.find(2)
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.project_id
                 # Cleared fixed_version
                 assert_equal nil, issue.fixed_version
               end
               def test_move_to_another_project_should_keep_fixed_version_when_shared_with_the_target_project
                 issue = Issue.find(1)
                 issue.update_attribute(:fixed_version_id, 4)
                 issue.project = Project.find(5)
                 assert issue.save
                 issue.reload
                 assert_equal 5, issue.project_id
                 # Keep fixed_version
                 assert_equal 4, issue.fixed_version_id
               end
               def test_move_to_another_project_should_clear_fixed_version_when_not_shared_with_the_target_project
                 issue = Issue.find(1)
                 issue.update_attribute(:fixed_version_id, 1)
                 issue.project = Project.find(5)
                 assert issue.save
                 issue.reload
                 assert_equal 5, issue.project_id
                 # Cleared fixed_version
                 assert_equal nil, issue.fixed_version
               end
               def test_move_to_another_project_should_keep_fixed_version_when_shared_systemwide
                 issue = Issue.find(1)
                 issue.update_attribute(:fixed_version_id, 7)
                 issue.project = Project.find(2)
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.project_id
                 # Keep fixed_version
                 assert_equal 7, issue.fixed_version_id
               end
               def test_move_to_another_project_should_keep_parent_if_valid
                 issue = Issue.find(1)
                 issue.update_attribute(:parent_issue_id, 2)
                 issue.project = Project.find(3)
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.parent_id
               end
               def test_move_to_another_project_should_clear_parent_if_not_valid
                 issue = Issue.find(1)
                 issue.update_attribute(:parent_issue_id, 2)
                 issue.project = Project.find(2)
                 assert issue.save
                 issue.reload
                 assert_nil issue.parent_id
               end
               def test_move_to_another_project_with_disabled_tracker
                 issue = Issue.find(1)
                 target = Project.find(2)
                 target.tracker_ids = [3]
                 target.save
                 issue.project = target
                 assert issue.save
                 issue.reload
                 assert_equal 2, issue.project_id
                 assert_equal 3, issue.tracker_id
               end
               def test_copy_to_the_same_project
                 issue = Issue.find(1)
                 copy = issue.copy
                 assert_difference 'Issue.count' do
                   copy.save!
                 end
                 assert_kind_of Issue, copy
                 assert_equal issue.project, copy.project
                 assert_equal "125", copy.custom_value_for(2).value
               end
               def test_copy_to_another_project_and_tracker
                 issue = Issue.find(1)
                 copy = issue.copy(:project_id => 3, :tracker_id => 2)
                 assert_difference 'Issue.count' do
                   copy.save!
                 end
                 copy.reload
                 assert_kind_of Issue, copy
                 assert_equal Project.find(3), copy.project
                 assert_equal Tracker.find(2), copy.tracker
                 # Custom field #2 is not associated with target tracker
                 assert_nil copy.custom_value_for(2)
               end
               test "#copy should not create a journal" do
                 copy = Issue.find(1).copy({:project_id => 3, :tracker_id => 2, :assigned_to_id => 3}, :link => false)
                 copy.save!
                 assert_equal 0, copy.reload.journals.size
               end
               test "#copy should allow assigned_to changes" do
                 copy = Issue.find(1).copy(:project_id => 3, :tracker_id => 2, :assigned_to_id => 3)
                 assert_equal 3, copy.assigned_to_id
               end
               test "#copy should allow status changes" do
                 copy = Issue.find(1).copy(:project_id => 3, :tracker_id => 2, :status_id => 2)
                 assert_equal 2, copy.status_id
               end
               test "#copy should allow start date changes" do
                 date = Date.today
                 copy = Issue.find(1).copy(:project_id => 3, :tracker_id => 2, :start_date => date)
                 assert_equal date, copy.start_date
               end
               test "#copy should allow due date changes" do
                 date = Date.today
                 copy = Issue.find(1).copy(:project_id => 3, :tracker_id => 2, :due_date => date)
                 assert_equal date, copy.due_date
               end
               test "#copy should set current user as author" do
                 User.current = User.find(9)
                 copy = Issue.find(1).copy(:project_id => 3, :tracker_id => 2)
                 assert_equal User.current, copy.author
               end
               test "#copy should create a journal with notes" do
                 date = Date.today
                 notes = "Notes added when copying"
                 copy = Issue.find(1).copy({:project_id => 3, :tracker_id => 2, :start_date => date}, :link => false)
                 copy.init_journal(User.current, notes)
                 copy.save!
                 assert_equal 1, copy.journals.size
                 journal = copy.journals.first
                 assert_equal 0, journal.details.size
                 assert_equal notes, journal.notes
               end
               def test_valid_parent_project
                 issue = Issue.find(1)
                 issue_in_same_project = Issue.find(2)
                 issue_in_child_project = Issue.find(5)
                 issue_in_grandchild_project = Issue.generate!(:project_id => 6, :tracker_id => 1)
                 issue_in_other_child_project = Issue.find(6)
                 issue_in_different_tree = Issue.find(4)
                 with_settings :cross_project_subtasks => '' do
                   assert_equal true, issue.valid_parent_project?(issue_in_same_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_child_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_grandchild_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_different_tree)
                 end
                 with_settings :cross_project_subtasks => 'system' do
                   assert_equal true, issue.valid_parent_project?(issue_in_same_project)
                   assert_equal true, issue.valid_parent_project?(issue_in_child_project)
                   assert_equal true, issue.valid_parent_project?(issue_in_different_tree)
                 end
                 with_settings :cross_project_subtasks => 'tree' do
                   assert_equal true, issue.valid_parent_project?(issue_in_same_project)
                   assert_equal true, issue.valid_parent_project?(issue_in_child_project)
                   assert_equal true, issue.valid_parent_project?(issue_in_grandchild_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_different_tree)
                   assert_equal true, issue_in_child_project.valid_parent_project?(issue_in_same_project)
                   assert_equal true, issue_in_child_project.valid_parent_project?(issue_in_other_child_project)
                 end
                 with_settings :cross_project_subtasks => 'descendants' do
                   assert_equal true, issue.valid_parent_project?(issue_in_same_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_child_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_grandchild_project)
                   assert_equal false, issue.valid_parent_project?(issue_in_different_tree)
                   assert_equal true, issue_in_child_project.valid_parent_project?(issue)
                   assert_equal false, issue_in_child_project.valid_parent_project?(issue_in_other_child_project)
                 end
               end
               def test_recipients_should_include_previous_assignee
                 user = User.find(3)
                 user.members.update_all ["mail_notification = ?", false]
                 user.update_attribute :mail_notification, 'only_assigned'
                 issue = Issue.find(2)
                 issue.assigned_to = nil
                 assert_include user.mail, issue.recipients
                 issue.save!
                 assert !issue.recipients.include?(user.mail)
               end
               def test_recipients_should_not_include_users_that_cannot_view_the_issue
                 issue = Issue.find(12)
                 assert issue.recipients.include?(issue.author.mail)
                 # copy the issue to a private project
                 copy  = issue.copy(:project_id => 5, :tracker_id => 2)
                 # author is not a member of project anymore
                 assert !copy.recipients.include?(copy.author.mail)
               end
               def test_recipients_should_include_the_assigned_group_members
                 group_member = User.generate!
                 group = Group.generate!
                 group.users << group_member
                 issue = Issue.find(12)
                 issue.assigned_to = group
                 assert issue.recipients.include?(group_member.mail)
               end
               def test_watcher_recipients_should_not_include_users_that_cannot_view_the_issue
                 user = User.find(3)
                 issue = Issue.find(9)
                 Watcher.create!(:user => user, :watchable => issue)
                 assert issue.watched_by?(user)
                 assert !issue.watcher_recipients.include?(user.mail)
               end
               def test_issue_destroy
                 Issue.find(1).destroy
                 assert_nil Issue.find_by_id(1)
                 assert_nil TimeEntry.find_by_issue_id(1)
               end
               def test_destroy_should_delete_time_entries_custom_values
                 issue = Issue.generate!
                 time_entry = TimeEntry.generate!(:issue => issue, :custom_field_values => {10 => '1'})
                 assert_difference 'CustomValue.where(:customized_type => "TimeEntry").count', -1 do
                   assert issue.destroy
                 end
               end
               def test_destroying_a_deleted_issue_should_not_raise_an_error
                 issue = Issue.find(1)
                 Issue.find(1).destroy
                 assert_nothing_raised do
                   assert_no_difference 'Issue.count' do
                     issue.destroy
                   end
                   assert issue.destroyed?
                 end
               end
               def test_destroying_a_stale_issue_should_not_raise_an_error
                 issue = Issue.find(1)
                 Issue.find(1).update_attribute :subject, "Updated"
                 assert_nothing_raised do
                   assert_difference 'Issue.count', -1 do
                     issue.destroy
                   end
                   assert issue.destroyed?
                 end
               end
               def test_blocked
                 blocked_issue = Issue.find(9)
                 blocking_issue = Issue.find(10)
                 assert blocked_issue.blocked?
                 assert !blocking_issue.blocked?
               end
               def test_blocked_issues_dont_allow_closed_statuses
                 blocked_issue = Issue.find(9)
                 allowed_statuses = blocked_issue.new_statuses_allowed_to(users(:users_002))
                 assert !allowed_statuses.empty?
                 closed_statuses = allowed_statuses.select {|st| st.is_closed?}
                 assert closed_statuses.empty?
               end
               def test_unblocked_issues_allow_closed_statuses
                 blocking_issue = Issue.find(10)
                 allowed_statuses = blocking_issue.new_statuses_allowed_to(users(:users_002))
                 assert !allowed_statuses.empty?
                 closed_statuses = allowed_statuses.select {|st| st.is_closed?}
                 assert !closed_statuses.empty?
               end
               def test_reschedule_an_issue_without_dates
                 with_settings :non_working_week_days => [] do
                   issue = Issue.new(:start_date => nil, :due_date => nil)
                   issue.reschedule_on '2012-10-09'.to_date
                   assert_equal '2012-10-09'.to_date, issue.start_date
                   assert_equal '2012-10-09'.to_date, issue.due_date
                 end
                 with_settings :non_working_week_days => %w(6 7) do
                   issue = Issue.new(:start_date => nil, :due_date => nil)
                   issue.reschedule_on '2012-10-09'.to_date
                   assert_equal '2012-10-09'.to_date, issue.start_date
                   assert_equal '2012-10-09'.to_date, issue.due_date
                   issue = Issue.new(:start_date => nil, :due_date => nil)
                   issue.reschedule_on '2012-10-13'.to_date
                   assert_equal '2012-10-15'.to_date, issue.start_date
                   assert_equal '2012-10-15'.to_date, issue.due_date
                 end
               end
               def test_reschedule_an_issue_with_start_date
                 with_settings :non_working_week_days => [] do
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => nil)
                   issue.reschedule_on '2012-10-13'.to_date
                   assert_equal '2012-10-13'.to_date, issue.start_date
                   assert_equal '2012-10-13'.to_date, issue.due_date
                 end
                 with_settings :non_working_week_days => %w(6 7) do
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => nil)
                   issue.reschedule_on '2012-10-11'.to_date
                   assert_equal '2012-10-11'.to_date, issue.start_date
                   assert_equal '2012-10-11'.to_date, issue.due_date
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => nil)
                   issue.reschedule_on '2012-10-13'.to_date
                   assert_equal '2012-10-15'.to_date, issue.start_date
                   assert_equal '2012-10-15'.to_date, issue.due_date
                 end
               end
               def test_reschedule_an_issue_with_start_and_due_dates
                 with_settings :non_working_week_days => [] do
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => '2012-10-15')
                   issue.reschedule_on '2012-10-13'.to_date
                   assert_equal '2012-10-13'.to_date, issue.start_date
                   assert_equal '2012-10-19'.to_date, issue.due_date
                 end
                 with_settings :non_working_week_days => %w(6 7) do
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => '2012-10-19') # 8 working days
                   issue.reschedule_on '2012-10-11'.to_date
                   assert_equal '2012-10-11'.to_date, issue.start_date
                   assert_equal '2012-10-23'.to_date, issue.due_date
                   issue = Issue.new(:start_date => '2012-10-09', :due_date => '2012-10-19')
                   issue.reschedule_on '2012-10-13'.to_date
                   assert_equal '2012-10-15'.to_date, issue.start_date
                   assert_equal '2012-10-25'.to_date, issue.due_date
                 end
               end
               def test_rescheduling_an_issue_to_a_later_due_date_should_reschedule_following_issue
                 issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 issue2 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2,
                                       :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert_equal Date.parse('2012-10-18'), issue2.reload.start_date
                 issue1.reload
                 issue1.due_date = '2012-10-23'
                 issue1.save!
                 issue2.reload
                 assert_equal Date.parse('2012-10-24'), issue2.start_date
                 assert_equal Date.parse('2012-10-26'), issue2.due_date
               end
               def test_rescheduling_an_issue_to_an_earlier_due_date_should_reschedule_following_issue
                 issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 issue2 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2,
                                       :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert_equal Date.parse('2012-10-18'), issue2.reload.start_date
                 issue1.reload
                 issue1.start_date = '2012-09-17'
                 issue1.due_date = '2012-09-18'
                 issue1.save!
                 issue2.reload
                 assert_equal Date.parse('2012-09-19'), issue2.start_date
                 assert_equal Date.parse('2012-09-21'), issue2.due_date
               end
               def test_rescheduling_reschedule_following_issue_earlier_should_consider_other_preceding_issues
                 issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 issue2 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 issue3 = Issue.generate!(:start_date => '2012-10-01', :due_date => '2012-10-02')
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2,
                                       :relation_type => IssueRelation::TYPE_PRECEDES)
                 IssueRelation.create!(:issue_from => issue3, :issue_to => issue2,
                                       :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert_equal Date.parse('2012-10-18'), issue2.reload.start_date
                 issue1.reload
                 issue1.start_date = '2012-09-17'
                 issue1.due_date = '2012-09-18'
                 issue1.save!
                 issue2.reload
                 # Issue 2 must start after Issue 3
                 assert_equal Date.parse('2012-10-03'), issue2.start_date
                 assert_equal Date.parse('2012-10-05'), issue2.due_date
               end
               def test_rescheduling_a_stale_issue_should_not_raise_an_error
                 with_settings :non_working_week_days => [] do
                   stale = Issue.find(1)
                   issue = Issue.find(1)
                   issue.subject = "Updated"
                   issue.save!
                   date = 10.days.from_now.to_date
                   assert_nothing_raised do
                     stale.reschedule_on!(date)
                   end
                   assert_equal date, stale.reload.start_date
                 end
               end
               def test_child_issue_should_consider_parent_soonest_start_on_create
                 set_language_if_valid 'en'
                 issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
                 issue2 = Issue.generate!(:start_date => '2012-10-18', :due_date => '2012-10-20')
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2,
                                       :relation_type => IssueRelation::TYPE_PRECEDES)
                 issue1.reload
                 issue2.reload
                 assert_equal Date.parse('2012-10-18'), issue2.start_date
                 with_settings :date_format => '%m/%d/%Y' do
                   child = Issue.new(:parent_issue_id => issue2.id, :start_date => '2012-10-16',
                     :project_id => 1, :tracker_id => 1, :status_id => 1, :subject => 'Child', :author_id => 1)
                   assert !child.valid?
                   assert_include 'Start date cannot be earlier than 10/18/2012 because of preceding issues', child.errors.full_messages
                   assert_equal Date.parse('2012-10-18'), child.soonest_start
                   child.start_date = '2012-10-18'
                   assert child.save
                 end
               end
               def test_setting_parent_to_a_dependent_issue_should_not_validate
                 set_language_if_valid 'en'
                 issue1 = Issue.generate!
                 issue2 = Issue.generate!
                 issue3 = Issue.generate!
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2, :relation_type => IssueRelation::TYPE_PRECEDES)
                 IssueRelation.create!(:issue_from => issue3, :issue_to => issue1, :relation_type => IssueRelation::TYPE_PRECEDES)
                 issue3.reload
                 issue3.parent_issue_id = issue2.id
                 assert !issue3.valid?
                 assert_include 'Parent task is invalid', issue3.errors.full_messages
               end
               def test_setting_parent_should_not_allow_circular_dependency
                 set_language_if_valid 'en'
                 issue1 = Issue.generate!
                 issue2 = Issue.generate!
                 IssueRelation.create!(:issue_from => issue1, :issue_to => issue2, :relation_type => IssueRelation::TYPE_PRECEDES)
                 issue3 = Issue.generate!
                 issue2.reload
                 issue2.parent_issue_id = issue3.id
                 issue2.save!
                 issue4 = Issue.generate!
                 IssueRelation.create!(:issue_from => issue3, :issue_to => issue4, :relation_type => IssueRelation::TYPE_PRECEDES)
                 issue4.reload
                 issue4.parent_issue_id = issue1.id
                 assert !issue4.valid?
                 assert_include 'Parent task is invalid', issue4.errors.full_messages
               end
               def test_overdue
                 assert Issue.new(:due_date => 1.day.ago.to_date).overdue?
                 assert !Issue.new(:due_date => Date.today).overdue?
                 assert !Issue.new(:due_date => 1.day.from_now.to_date).overdue?
                 assert !Issue.new(:due_date => nil).overdue?
                 assert !Issue.new(:due_date => 1.day.ago.to_date,
                                   :status => IssueStatus.where(:is_closed => true).first
                                   ).overdue?
               end
               test "#behind_schedule? should be false if the issue has no start_date" do
                 assert !Issue.new(:start_date => nil,
                                   :due_date => 1.day.from_now.to_date,
                                   :done_ratio => 0).behind_schedule?
               end
               test "#behind_schedule? should be false if the issue has no end_date" do
                 assert !Issue.new(:start_date => 1.day.from_now.to_date,
                                   :due_date => nil,
                                   :done_ratio => 0).behind_schedule?
               end
               test "#behind_schedule? should be false if the issue has more done than it's calendar time" do
                 assert !Issue.new(:start_date => 50.days.ago.to_date,
                                   :due_date => 50.days.from_now.to_date,
                                   :done_ratio => 90).behind_schedule?
               end
               test "#behind_schedule? should be true if the issue hasn't been started at all" do
                 assert Issue.new(:start_date => 1.day.ago.to_date,
                                  :due_date => 1.day.from_now.to_date,
                                  :done_ratio => 0).behind_schedule?
               end
               test "#behind_schedule? should be true if the issue has used more calendar time than it's done ratio" do
                 assert Issue.new(:start_date => 100.days.ago.to_date,
                                  :due_date => Date.today,
                                  :done_ratio => 90).behind_schedule?
               end
               test "#assignable_users should be Users" do
                 assert_kind_of User, Issue.find(1).assignable_users.first
               end
               test "#assignable_users should include the issue author" do
                 non_project_member = User.generate!
                 issue = Issue.generate!(:author => non_project_member)
                 assert issue.assignable_users.include?(non_project_member)
               end
               test "#assignable_users should include the current assignee" do
                 user = User.generate!
                 issue = Issue.generate!(:assigned_to => user)
                 user.lock!
                 assert Issue.find(issue.id).assignable_users.include?(user)
               end
               test "#assignable_users should not show the issue author twice" do
                 assignable_user_ids = Issue.find(1).assignable_users.collect(&:id)
                 assert_equal 2, assignable_user_ids.length
                 assignable_user_ids.each do |user_id|
                   assert_equal 1, assignable_user_ids.select {|i| i == user_id}.length,
                                "User #{user_id} appears more or less than once"
                 end
               end
               test "#assignable_users with issue_group_assignment should include groups" do
                 issue = Issue.new(:project => Project.find(2))
                 with_settings :issue_group_assignment => '1' do
                   assert_equal %w(Group User), issue.assignable_users.map {|a| a.class.name}.uniq.sort
                   assert issue.assignable_users.include?(Group.find(11))
                 end
               end
               test "#assignable_users without issue_group_assignment should not include groups" do
                 issue = Issue.new(:project => Project.find(2))
                 with_settings :issue_group_assignment => '0' do
                   assert_equal %w(User), issue.assignable_users.map {|a| a.class.name}.uniq.sort
                   assert !issue.assignable_users.include?(Group.find(11))
                 end
               end
               def test_assignable_users_should_not_include_builtin_groups
                 Member.create!(:project_id => 1, :principal => Group.non_member, :role_ids => [1])
                 Member.create!(:project_id => 1, :principal => Group.anonymous, :role_ids => [1])
                 issue = Issue.new(:project => Project.find(1))
                 with_settings :issue_group_assignment => '1' do
                   assert_nil issue.assignable_users.detect {|u| u.is_a?(GroupBuiltin)}
                 end
               end
               def test_create_should_send_email_notification
                 ActionMailer::Base.deliveries.clear
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 3, :status_id => 1,
                                   :priority => IssuePriority.all.first,
                                   :subject => 'test_create', :estimated_hours => '1:30')
                 with_settings :notified_events => %w(issue_added) do
                   assert issue.save
                   assert_equal 1, ActionMailer::Base.deliveries.size
                 end
               end
               def test_create_should_send_one_email_notification_with_both_settings
                 ActionMailer::Base.deliveries.clear
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 3, :status_id => 1,
                                   :priority => IssuePriority.all.first,
                                   :subject => 'test_create', :estimated_hours => '1:30')
                 with_settings :notified_events => %w(issue_added issue_updated) do
                   assert issue.save
                   assert_equal 1, ActionMailer::Base.deliveries.size
                 end
               end
               def test_create_should_not_send_email_notification_with_no_setting
                 ActionMailer::Base.deliveries.clear
                 issue = Issue.new(:project_id => 1, :tracker_id => 1,
                                   :author_id => 3, :status_id => 1,
                                   :priority => IssuePriority.all.first,
                                   :subject => 'test_create', :estimated_hours => '1:30')
                 with_settings :notified_events => [] do
                   assert issue.save
                   assert_equal 0, ActionMailer::Base.deliveries.size
                 end
               end
               def test_update_should_notify_previous_assignee
                 ActionMailer::Base.deliveries.clear
                 user = User.find(3)
                 user.members.update_all ["mail_notification = ?", false]
                 user.update_attribute :mail_notification, 'only_assigned'
                 with_settings :notified_events => %w(issue_updated) do
                   issue = Issue.find(2)
                   issue.init_journal User.find(1)
                   issue.assigned_to = nil
                   issue.save!
                   assert_include user.mail, ActionMailer::Base.deliveries.last.bcc
                 end
               end
               def test_stale_issue_should_not_send_email_notification
                 ActionMailer::Base.deliveries.clear
                 issue = Issue.find(1)
                 stale = Issue.find(1)
                 issue.init_journal(User.find(1))
                 issue.subject = 'Subjet update'
                 with_settings :notified_events => %w(issue_updated) do
                   assert issue.save
                   assert_equal 1, ActionMailer::Base.deliveries.size
                   ActionMailer::Base.deliveries.clear
                   stale.init_journal(User.find(1))
                   stale.subject = 'Another subjet update'
                   assert_raise ActiveRecord::StaleObjectError do
                     stale.save
                   end
                   assert ActionMailer::Base.deliveries.empty?
                 end
               end
               def test_journalized_description
                 IssueCustomField.delete_all
                 i = Issue.first
                 old_description = i.description
                 new_description = "This is the new description"
                 i.init_journal(User.find(2))
                 i.description = new_description
                 assert_difference 'Journal.count', 1 do
                   assert_difference 'JournalDetail.count', 1 do
                     i.save!
                   end
                 end
                 detail = JournalDetail.order('id DESC').first
                 assert_equal i, detail.journal.journalized
                 assert_equal 'attr', detail.property
                 assert_equal 'description', detail.prop_key
                 assert_equal old_description, detail.old_value
                 assert_equal new_description, detail.value
               end
               def test_blank_descriptions_should_not_be_journalized
                 IssueCustomField.delete_all
                 Issue.where(:id => 1).update_all("description = NULL")
                 i = Issue.find(1)
                 i.init_journal(User.find(2))
                 i.subject = "blank description"
                 i.description = "\r\n"
                 assert_difference 'Journal.count', 1 do
                   assert_difference 'JournalDetail.count', 1 do
                     i.save!
                   end
                 end
               end
               def test_journalized_multi_custom_field
                 field = IssueCustomField.create!(:name => 'filter', :field_format => 'list',
                                                  :is_filter => true, :is_for_all => true,
                                                  :tracker_ids => [1],
                                                  :possible_values => ['value1', 'value2', 'value3'],
                                                  :multiple => true)
                 issue = Issue.create!(:project_id => 1, :tracker_id => 1,
                                       :subject => 'Test', :author_id => 1)
                 assert_difference 'Journal.count' do
                   assert_difference 'JournalDetail.count' do
                     issue.init_journal(User.first)
                     issue.custom_field_values = {field.id => ['value1']}
                     issue.save!
                   end
                   assert_difference 'JournalDetail.count' do
                     issue.init_journal(User.first)
                     issue.custom_field_values = {field.id => ['value1', 'value2']}
                     issue.save!
                   end
                   assert_difference 'JournalDetail.count', 2 do
                     issue.init_journal(User.first)
                     issue.custom_field_values = {field.id => ['value3', 'value2']}
                     issue.save!
                   end
                   assert_difference 'JournalDetail.count', 2 do
                     issue.init_journal(User.first)
                     issue.custom_field_values = {field.id => nil}
                     issue.save!
                   end
                 end
               end
               def test_description_eol_should_be_normalized
                 i = Issue.new(:description => "CR \r LF \n CRLF \r\n")
                 assert_equal "CR \r\n LF \r\n CRLF \r\n", i.description
               end
               def test_saving_twice_should_not_duplicate_journal_details
                 i = Issue.first
                 i.init_journal(User.find(2), 'Some notes')
                 # initial changes
                 i.subject = 'New subject'
                 i.done_ratio = i.done_ratio + 10
                 assert_difference 'Journal.count' do
                   assert i.save
                 end
                 # 1 more change
                 i.priority = IssuePriority.where("id <> ?", i.priority_id).first
                 assert_no_difference 'Journal.count' do
                   assert_difference 'JournalDetail.count', 1 do
                     i.save
                   end
                 end
                 # no more change
                 assert_no_difference 'Journal.count' do
                   assert_no_difference 'JournalDetail.count' do
                     i.save
                   end
                 end
               end
               def test_all_dependent_issues
                 IssueRelation.delete_all
                 assert IssueRelation.create!(:issue_from => Issue.find(1),
                                              :issue_to   => Issue.find(2),
                                              :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert IssueRelation.create!(:issue_from => Issue.find(2),
                                              :issue_to   => Issue.find(3),
                                              :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert IssueRelation.create!(:issue_from => Issue.find(3),
                                              :issue_to   => Issue.find(8),
                                              :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert_equal [2, 3, 8], Issue.find(1).all_dependent_issues.collect(&:id).sort
               end
               def test_all_dependent_issues_with_subtask
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue = Issue.generate!(:project => project)
                 childIssue1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue.id)
                 childIssue2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue.id)
                 assert_equal [childIssue1.id, childIssue2.id].sort, parentIssue.all_dependent_issues.collect(&:id).uniq.sort
               end
               def test_all_dependent_issues_does_not_include_self
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue = Issue.generate!(:project => project)
                 childIssue = Issue.generate!(:project => project, :parent_issue_id => parentIssue.id)
                 assert_equal [childIssue.id], parentIssue.all_dependent_issues.collect(&:id)
               end
               def test_all_dependent_issues_with_parenttask_and_sibling
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue = Issue.generate!(:project => project)
                 childIssue1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue.id)
                 childIssue2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue.id)
                 assert_equal [parentIssue.id].sort, childIssue1.all_dependent_issues.collect(&:id)
               end
               def test_all_dependent_issues_with_relation_to_leaf_in_other_tree
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue1 = Issue.generate!(:project => project)
                 childIssue1_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 childIssue1_2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 parentIssue2 = Issue.generate!(:project => project)
                 childIssue2_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 childIssue2_2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 assert IssueRelation.create(:issue_from => parentIssue1,
                                             :issue_to   => childIssue2_2,
                                             :relation_type => IssueRelation::TYPE_BLOCKS)
                 assert_equal [childIssue1_1.id, childIssue1_2.id, parentIssue2.id, childIssue2_2.id].sort,
                              parentIssue1.all_dependent_issues.collect(&:id).uniq.sort
               end
               def test_all_dependent_issues_with_relation_to_parent_in_other_tree
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue1 = Issue.generate!(:project => project)
                 childIssue1_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 childIssue1_2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 parentIssue2 = Issue.generate!(:project => project)
                 childIssue2_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 childIssue2_2 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 assert IssueRelation.create(:issue_from => parentIssue1,
                                             :issue_to   => parentIssue2,
                                             :relation_type => IssueRelation::TYPE_BLOCKS)
                 assert_equal [childIssue1_1.id, childIssue1_2.id, parentIssue2.id, childIssue2_1.id, childIssue2_2.id].sort,
                              parentIssue1.all_dependent_issues.collect(&:id).uniq.sort
               end
               def test_all_dependent_issues_with_transitive_relation
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue1 = Issue.generate!(:project => project)
                 childIssue1_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 parentIssue2 = Issue.generate!(:project => project)
                 childIssue2_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 independentIssue = Issue.generate!(:project => project)
                 assert IssueRelation.create(:issue_from => parentIssue1,
                                             :issue_to   => childIssue2_1,
                                             :relation_type => IssueRelation::TYPE_RELATES)
                 assert IssueRelation.create(:issue_from => childIssue2_1,
                                             :issue_to   => independentIssue,
                                             :relation_type => IssueRelation::TYPE_RELATES)
                 assert_equal [childIssue1_1.id, parentIssue2.id, childIssue2_1.id, independentIssue.id].sort,
                              parentIssue1.all_dependent_issues.collect(&:id).uniq.sort
               end
               def test_all_dependent_issues_with_transitive_relation2
                 IssueRelation.delete_all
                 project = Project.generate!(:name => "testproject")
                 parentIssue1 = Issue.generate!(:project => project)
                 childIssue1_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue1.id)
                 parentIssue2 = Issue.generate!(:project => project)
                 childIssue2_1 = Issue.generate!(:project => project, :parent_issue_id => parentIssue2.id)
                 independentIssue = Issue.generate!(:project => project)
                 assert IssueRelation.create(:issue_from => parentIssue1,
                                             :issue_to   => independentIssue,
                                             :relation_type => IssueRelation::TYPE_RELATES)
                 assert IssueRelation.create(:issue_from => independentIssue,
                                             :issue_to   => childIssue2_1,
                                             :relation_type => IssueRelation::TYPE_RELATES)
                 assert_equal [childIssue1_1.id, parentIssue2.id, childIssue2_1.id, independentIssue.id].sort,
                              parentIssue1.all_dependent_issues.collect(&:id).uniq.sort
               end
               def test_all_dependent_issues_with_persistent_circular_dependency
                 IssueRelation.delete_all
                 assert IssueRelation.create!(:issue_from => Issue.find(1),
                                              :issue_to   => Issue.find(2),
                                              :relation_type => IssueRelation::TYPE_PRECEDES)
                 assert IssueRelation.create!(:issue_from => Issue.find(2),
                                              :issue_to   => Issue.find(3),
                                              :relation_type => IssueRelation::TYPE_PRECEDES)
                 r = IssueRelation.create!(:issue_from => Issue.find(3),
                                          :issue_to   => Issue.find(7),
                                          :relation_type => IssueRelation::TYPE_PRECEDES)
                 IssueRelation.where(["id = ?", r.id]).update_all("issue_to_id = 1")
                 assert_equal [2, 3], Issue.find(1).all_dependent_issues.collect(&:id).sort
               end
               def test_all_dependent_issues_with_persistent_multiple_circular_dependencies
                 IssueRelation.delete_all
                 assert IssueRelation.create!(:issue_from => Issue.find(1),
                                              :issue_to   => Issue.find(2),
                                              :relation_type => IssueRelation::TYPE_RELATES)
                 assert IssueRelation.create!(:issue_from => Issue.find(2),
                                              :issue_to   => Issue.find(3),
                                              :relation_type => IssueRelation::TYPE_RELATES)
                 assert IssueRelation.create!(:issue_from => Issue.find(3),
                                              :issue_to   => Issue.find(8),
                                              :relation_type => IssueRelation::TYPE_RELATES)
                 r = IssueRelation.create!(:issue_from => Issue.find(8),
                                          :issue_to   => Issue.find(7),
                                          :relation_type => IssueRelation::TYPE_RELATES)
                 IssueRelation.where(["id = ?", r.id]).update_all("issue_to_id = 2")
                 r = IssueRelation.create!(:issue_from => Issue.find(3),
                                          :issue_to   => Issue.find(7),
                                          :relation_type => IssueRelation::TYPE_RELATES)
                 IssueRelation.where(["id = ?", r.id]).update_all("issue_to_id = 1")
                 assert_equal [2, 3, 8], Issue.find(1).all_dependent_issues.collect(&:id).sort
               end
               test "#done_ratio should use the issue_status according to Setting.issue_done_ratio" do
                 @issue = Issue.find(1)
                 @issue_status = IssueStatus.find(1)
                 @issue_status.update_attribute(:default_done_ratio, 50)
                 @issue2 = Issue.find(2)
                 @issue_status2 = IssueStatus.find(2)
                 @issue_status2.update_attribute(:default_done_ratio, 0)
                 with_settings :issue_done_ratio => 'issue_field' do
                   assert_equal 0, @issue.done_ratio
                   assert_equal 30, @issue2.done_ratio
                 end
                 with_settings :issue_done_ratio => 'issue_status' do
                   assert_equal 50, @issue.done_ratio
                   assert_equal 0, @issue2.done_ratio
                 end
               end
               test "#update_done_ratio_from_issue_status should update done_ratio according to Setting.issue_done_ratio" do
                 @issue = Issue.find(1)
                 @issue_status = IssueStatus.find(1)
                 @issue_status.update_attribute(:default_done_ratio, 50)
                 @issue2 = Issue.find(2)
                 @issue_status2 = IssueStatus.find(2)
                 @issue_status2.update_attribute(:default_done_ratio, 0)
                 with_settings :issue_done_ratio => 'issue_field' do
                   @issue.update_done_ratio_from_issue_status
                   @issue2.update_done_ratio_from_issue_status
                   assert_equal 0, @issue.read_attribute(:done_ratio)
                   assert_equal 30, @issue2.read_attribute(:done_ratio)
                 end
                 with_settings :issue_done_ratio => 'issue_status' do
                   @issue.update_done_ratio_from_issue_status
                   @issue2.update_done_ratio_from_issue_status
                   assert_equal 50, @issue.read_attribute(:done_ratio)
                   assert_equal 0, @issue2.read_attribute(:done_ratio)
                 end
               end
               test "#by_tracker" do
                 User.current = User.anonymous
                 groups = Issue.by_tracker(Project.find(1))
                 assert_equal 3, groups.count
                 assert_equal 7, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_version" do
                 User.current = User.anonymous
                 groups = Issue.by_version(Project.find(1))
                 assert_equal 3, groups.count
                 assert_equal 3, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_priority" do
                 User.current = User.anonymous
                 groups = Issue.by_priority(Project.find(1))
                 assert_equal 4, groups.count
                 assert_equal 7, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_category" do
                 User.current = User.anonymous
                 groups = Issue.by_category(Project.find(1))
                 assert_equal 2, groups.count
                 assert_equal 3, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_assigned_to" do
                 User.current = User.anonymous
                 groups = Issue.by_assigned_to(Project.find(1))
                 assert_equal 2, groups.count
                 assert_equal 2, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_author" do
                 User.current = User.anonymous
                 groups = Issue.by_author(Project.find(1))
                 assert_equal 4, groups.count
                 assert_equal 7, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               test "#by_subproject" do
                 User.current = User.anonymous
                 groups = Issue.by_subproject(Project.find(1))
                 # Private descendant not visible
                 assert_equal 1, groups.count
                 assert_equal 2, groups.inject(0) {|sum, group| sum + group['total'].to_i}
               end
               def test_recently_updated_scope
                 #should return the last updated issue
                 assert_equal Issue.reorder("updated_on DESC").first, Issue.recently_updated.limit(1).first
               end
               def test_on_active_projects_scope
                 assert Project.find(2).archive
                 before = Issue.on_active_project.length
                 # test inclusion to results
                 issue = Issue.generate!(:tracker => Project.find(2).trackers.first)
                 assert_equal before + 1, Issue.on_active_project.length
                 # Move to an archived project
                 issue.project = Project.find(2)
                 assert issue.save
                 assert_equal before, Issue.on_active_project.length
               end
               test "Issue#recipients should include project recipients" do
                 issue = Issue.generate!
                 assert issue.project.recipients.present?
                 issue.project.recipients.each do |project_recipient|
                   assert issue.recipients.include?(project_recipient)
                 end
               end
               test "Issue#recipients should include the author if the author is active" do
                 issue = Issue.generate!(:author => User.generate!)
                 assert issue.author, "No author set for Issue"
                 assert issue.recipients.include?(issue.author.mail)
               end
               test "Issue#recipients should include the assigned to user if the assigned to user is active" do
                 issue = Issue.generate!(:assigned_to => User.generate!)
                 assert issue.assigned_to, "No assigned_to set for Issue"
                 assert issue.recipients.include?(issue.assigned_to.mail)
               end
               test "Issue#recipients should not include users who opt out of all email" do
                 issue = Issue.generate!(:author => User.generate!)
                 issue.author.update_attribute(:mail_notification, :none)
                 assert !issue.recipients.include?(issue.author.mail)
               end
               test "Issue#recipients should not include the issue author if they are only notified of assigned issues" do
                 issue = Issue.generate!(:author => User.generate!)
                 issue.author.update_attribute(:mail_notification, :only_assigned)
                 assert !issue.recipients.include?(issue.author.mail)
               end
               test "Issue#recipients should not include the assigned user if they are only notified of owned issues" do
                 issue = Issue.generate!(:assigned_to => User.generate!)
                 issue.assigned_to.update_attribute(:mail_notification, :only_owner)
                 assert !issue.recipients.include?(issue.assigned_to.mail)
               end
               def test_last_journal_id_with_journals_should_return_the_journal_id
                 assert_equal 2, Issue.find(1).last_journal_id
               end
               def test_last_journal_id_without_journals_should_return_nil
                 assert_nil Issue.find(3).last_journal_id
               end
               def test_journals_after_should_return_journals_with_greater_id
                 assert_equal [Journal.find(2)], Issue.find(1).journals_after('1')
                 assert_equal [], Issue.find(1).journals_after('2')
               end
               def test_journals_after_with_blank_arg_should_return_all_journals
                 assert_equal [Journal.find(1), Journal.find(2)], Issue.find(1).journals_after('')
               end
               def test_css_classes_should_include_tracker
                 issue = Issue.new(:tracker => Tracker.find(2))
                 classes = issue.css_classes.split(' ')
                 assert_include 'tracker-2', classes
               end
               def test_css_classes_should_include_priority
                 issue = Issue.new(:priority => IssuePriority.find(8))
                 classes = issue.css_classes.split(' ')
                 assert_include 'priority-8', classes
                 assert_include 'priority-highest', classes
               end
               def test_css_classes_should_include_user_and_group_assignment
                 project = Project.first
                 user = User.generate!
                 group = Group.generate!
                 Member.create!(:principal => group, :project => project, :role_ids => [1, 2])
                 group.users << user
                 assert user.member_of?(project)
                 issue1 = Issue.generate(:assigned_to_id => group.id)
                 assert_include 'assigned-to-my-group', issue1.css_classes(user)
                 assert_not_include 'assigned-to-me', issue1.css_classes(user)
                 issue2 = Issue.generate(:assigned_to_id => user.id)
                 assert_not_include 'assigned-to-my-group', issue2.css_classes(user)
                 assert_include 'assigned-to-me', issue2.css_classes(user)
               end
               def test_save_attachments_with_hash_should_save_attachments_in_keys_order
                 set_tmp_attachments_directory
                 issue = Issue.generate!
                 issue.save_attachments({
                   'p0' => {'file' => mock_file_with_options(:original_filename => 'upload')},
                   '3' => {'file' => mock_file_with_options(:original_filename => 'bar')},
                   '1' => {'file' => mock_file_with_options(:original_filename => 'foo')}
                 })
                 issue.attach_saved_attachments
                 assert_equal 3, issue.reload.attachments.count
                 assert_equal %w(upload foo bar), issue.attachments.map(&:filename)
               end
               def test_closed_on_should_be_nil_when_creating_an_open_issue
                 issue = Issue.generate!(:status_id => 1).reload
                 assert !issue.closed?
                 assert_nil issue.closed_on
               end
               def test_closed_on_should_be_set_when_creating_a_closed_issue
                 issue = Issue.generate!(:status_id => 5).reload
                 assert issue.closed?
                 assert_not_nil issue.closed_on
                 assert_equal issue.updated_on, issue.closed_on
                 assert_equal issue.created_on, issue.closed_on
               end
               def test_closed_on_should_be_nil_when_updating_an_open_issue
                 issue = Issue.find(1)
                 issue.subject = 'Not closed yet'
                 issue.save!
                 issue.reload
                 assert_nil issue.closed_on
               end
               def test_closed_on_should_be_set_when_closing_an_open_issue
                 issue = Issue.find(1)
                 issue.subject = 'Now closed'
                 issue.status_id = 5
                 issue.save!
                 issue.reload
                 assert_not_nil issue.closed_on
                 assert_equal issue.updated_on, issue.closed_on
               end
               def test_closed_on_should_not_be_updated_when_updating_a_closed_issue
                 issue = Issue.open(false).first
                 was_closed_on = issue.closed_on
                 assert_not_nil was_closed_on
                 issue.subject = 'Updating a closed issue'
                 issue.save!
                 issue.reload
                 assert_equal was_closed_on, issue.closed_on
               end
               def test_closed_on_should_be_preserved_when_reopening_a_closed_issue
                 issue = Issue.open(false).first
                 was_closed_on = issue.closed_on
                 assert_not_nil was_closed_on
                 issue.subject = 'Reopening a closed issue'
                 issue.status_id = 1
                 issue.save!
                 issue.reload
                 assert !issue.closed?
                 assert_equal was_closed_on, issue.closed_on
               end
               def test_status_was_should_return_nil_for_new_issue
                 issue = Issue.new
                 assert_nil issue.status_was
               end
               def test_status_was_should_return_status_before_change
                 issue = Issue.find(1)
                 issue.status = IssueStatus.find(2)
                 assert_equal IssueStatus.find(1), issue.status_was
               end
               def test_status_was_should_return_status_before_change_with_status_id
                 issue = Issue.find(1)
                 assert_equal IssueStatus.find(1), issue.status
                 issue.status_id = 2
                 assert_equal IssueStatus.find(1), issue.status_was
               end
               def test_status_was_should_be_reset_on_save
                 issue = Issue.find(1)
                 issue.status = IssueStatus.find(2)
                 assert_equal IssueStatus.find(1), issue.status_was
                 assert issue.save!
                 assert_equal IssueStatus.find(2), issue.status_was
               end
               def test_closing_should_return_true_when_closing_an_issue
                 issue = Issue.find(1)
                 issue.status = IssueStatus.find(2)
                 assert_equal false, issue.closing?
                 issue.status = IssueStatus.find(5)
                 assert_equal true, issue.closing?
               end
               def test_closing_should_return_true_when_closing_an_issue_with_status_id
                 issue = Issue.find(1)
                 issue.status_id = 2
                 assert_equal false, issue.closing?
                 issue.status_id = 5
                 assert_equal true, issue.closing?
               end
               def test_closing_should_return_true_for_new_closed_issue
                 issue = Issue.new
                 assert_equal false, issue.closing?
                 issue.status = IssueStatus.find(5)
                 assert_equal true, issue.closing?
               end
               def test_closing_should_return_true_for_new_closed_issue_with_status_id
                 issue = Issue.new
                 assert_equal false, issue.closing?
                 issue.status_id = 5
                 assert_equal true, issue.closing?
               end
               def test_closing_should_be_reset_after_save
                 issue = Issue.find(1)
                 issue.status_id = 5
                 assert_equal true, issue.closing?
                 issue.save!
                 assert_equal false, issue.closing?
               end
               def test_reopening_should_return_true_when_reopening_an_issue
                 issue = Issue.find(8)
                 issue.status = IssueStatus.find(6)
                 assert_equal false, issue.reopening?
                 issue.status = IssueStatus.find(2)
                 assert_equal true, issue.reopening?
               end
               def test_reopening_should_return_true_when_reopening_an_issue_with_status_id
                 issue = Issue.find(8)
                 issue.status_id = 6
                 assert_equal false, issue.reopening?
                 issue.status_id = 2
                 assert_equal true, issue.reopening?
               end
               def test_reopening_should_return_false_for_new_open_issue
                 issue = Issue.new
                 issue.status = IssueStatus.find(1)
                 assert_equal false, issue.reopening?
               end
               def test_reopening_should_be_reset_after_save
                 issue = Issue.find(8)
                 issue.status_id = 2
                 assert_equal true, issue.reopening?
                 issue.save!
                 assert_equal false, issue.reopening?
               end
               def test_default_status_without_tracker_should_be_nil
                 issue = Issue.new
                 assert_nil issue.tracker
                 assert_nil issue.default_status
               end
               def test_default_status_should_be_tracker_default_status
                 issue = Issue.new(:tracker_id => 1)
                 assert_not_nil issue.status
                 assert_equal issue.tracker.default_status, issue.default_status
               end
               def test_initializing_with_tracker_should_set_default_status
                 issue = Issue.new(:tracker => Tracker.find(1))
                 assert_not_nil issue.status
                 assert_equal issue.default_status, issue.status
               end
               def test_initializing_with_tracker_id_should_set_default_status
                 issue = Issue.new(:tracker_id => 1)
                 assert_not_nil issue.status
                 assert_equal issue.default_status, issue.status
               end
               def test_setting_tracker_should_set_default_status
                 issue = Issue.new
                 issue.tracker = Tracker.find(1)
                 assert_not_nil issue.status
                 assert_equal issue.default_status, issue.status
               end
               def test_changing_tracker_should_set_default_status_if_status_was_default
                 WorkflowTransition.delete_all
                 WorkflowTransition.create! :role_id => 1, :tracker_id => 2, :old_status_id => 2, :new_status_id => 1
                 Tracker.find(2).update! :default_status_id => 2
                 issue = Issue.new(:tracker_id => 1, :status_id => 1)
                 assert_equal IssueStatus.find(1), issue.status
                 issue.tracker = Tracker.find(2)
                 assert_equal IssueStatus.find(2), issue.status
               end
               def test_changing_tracker_should_set_default_status_if_status_is_not_used_by_tracker
                 WorkflowTransition.delete_all
                 Tracker.find(2).update! :default_status_id => 2
                 issue = Issue.new(:tracker_id => 1, :status_id => 3)
                 assert_equal IssueStatus.find(3), issue.status
                 issue.tracker = Tracker.find(2)
                 assert_equal IssueStatus.find(2), issue.status
               end
               def test_changing_tracker_should_keep_status_if_status_was_not_default_and_is_used_by_tracker
                 WorkflowTransition.delete_all
                 WorkflowTransition.create! :role_id => 1, :tracker_id => 2, :old_status_id => 2, :new_status_id => 3
                 Tracker.find(2).update! :default_status_id => 2
                 issue = Issue.new(:tracker_id => 1, :status_id => 3)
                 assert_equal IssueStatus.find(3), issue.status
                 issue.tracker = Tracker.find(2)
                 assert_equal IssueStatus.find(3), issue.status
               end
+              def test_assigned_to_was_with_a_group
+                group = Group.find(10)
+                issue = Issue.generate!(:assigned_to => group)
+                issue.reload.assigned_to = nil
+                assert_equal group, issue.assigned_to_was
+              end
             end

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