jro_apps/redmine Commit - r9427:38011c0fb11b

Fixed error on commits per month graph (#10806)....

Jean-Philippe Lang -

r9427:38011c0fb11b

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r9427:38011c0fb11b

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app/controllers/repositories_controller.rb +2 -2

             # Redmine - project management software
             # Copyright (C) 2006-2012  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 'SVG/Graph/Bar'
             require 'SVG/Graph/BarHorizontal'
             require 'digest/sha1'
             require 'redmine/scm/adapters/abstract_adapter'
             class ChangesetNotFound < Exception; end
             class InvalidRevisionParam < Exception; end
             class RepositoriesController < ApplicationController
               menu_item :repository
               menu_item :settings, :only => [:new, :create, :edit, :update, :destroy, :committers]
               default_search_scope :changesets
               before_filter :find_project_by_project_id, :only => [:new, :create]
               before_filter :find_repository, :only => [:edit, :update, :destroy, :committers]
               before_filter :find_project_repository, :except => [:new, :create, :edit, :update, :destroy, :committers]
               before_filter :find_changeset, :only => [:revision, :add_related_issue, :remove_related_issue]
               before_filter :authorize
               accept_rss_auth :revisions
               rescue_from Redmine::Scm::Adapters::CommandFailed, :with => :show_error_command_failed
               def new
                 scm = params[:repository_scm] || (Redmine::Scm::Base.all & Setting.enabled_scm).first
                 @repository = Repository.factory(scm)
                 @repository.is_default = @project.repository.nil?
                 @repository.project = @project
                 render :layout => !request.xhr?
               end
               def create
                 @repository = Repository.factory(params[:repository_scm], params[:repository])
                 @repository.project = @project
                 if request.post? && @repository.save
                   redirect_to settings_project_path(@project, :tab => 'repositories')
                 else
                   render :action => 'new'
                 end
               end
               def edit
               end
               def update
                 @repository.attributes = params[:repository]
                 @repository.project = @project
                 if request.put? && @repository.save
                   redirect_to settings_project_path(@project, :tab => 'repositories')
                 else
                   render :action => 'edit'
                 end
               end
               def committers
                 @committers = @repository.committers
                 @users = @project.users
                 additional_user_ids = @committers.collect(&:last).collect(&:to_i) - @users.collect(&:id)
                 @users += User.find_all_by_id(additional_user_ids) unless additional_user_ids.empty?
                 @users.compact!
                 @users.sort!
                 if request.post? && params[:committers].is_a?(Hash)
                   # Build a hash with repository usernames as keys and corresponding user ids as values
                   @repository.committer_ids = params[:committers].values.inject({}) {|h, c| h[c.first] = c.last; h}
                   flash[:notice] = l(:notice_successful_update)
                   redirect_to settings_project_path(@project, :tab => 'repositories')
                 end
               end
               def destroy
                 @repository.destroy if request.delete?
                 redirect_to settings_project_path(@project, :tab => 'repositories')
               end
               def show
                 @repository.fetch_changesets if Setting.autofetch_changesets? && @path.empty?
                 @entries = @repository.entries(@path, @rev)
                 @changeset = @repository.find_changeset_by_name(@rev)
                 if request.xhr?
                   @entries ? render(:partial => 'dir_list_content') : render(:nothing => true)
                 else
                   (show_error_not_found; return) unless @entries
                   @changesets = @repository.latest_changesets(@path, @rev)
                   @properties = @repository.properties(@path, @rev)
                   @repositories = @project.repositories
                   render :action => 'show'
                 end
               end
               alias_method :browse, :show
               def changes
                 @entry = @repository.entry(@path, @rev)
                 (show_error_not_found; return) unless @entry
                 @changesets = @repository.latest_changesets(@path, @rev, Setting.repository_log_display_limit.to_i)
                 @properties = @repository.properties(@path, @rev)
                 @changeset = @repository.find_changeset_by_name(@rev)
               end
               def revisions
                 @changeset_count = @repository.changesets.count
                 @changeset_pages = Paginator.new self, @changeset_count,
                                                  per_page_option,
                                                  params['page']
                 @changesets = @repository.changesets.find(:all,
                                    :limit  =>  @changeset_pages.items_per_page,
                                    :offset =>  @changeset_pages.current.offset,
                                    :include => [:user, :repository, :parents])
                 respond_to do |format|
                   format.html { render :layout => false if request.xhr? }
                   format.atom { render_feed(@changesets, :title => "#{@project.name}: #{l(:label_revision_plural)}") }
                 end
               end
               def entry
                 @entry = @repository.entry(@path, @rev)
                 (show_error_not_found; return) unless @entry
                 # If the entry is a dir, show the browser
                 (show; return) if @entry.is_dir?
                 @content = @repository.cat(@path, @rev)
                 (show_error_not_found; return) unless @content
                 if 'raw' == params[:format] ||
                      (@content.size && @content.size > Setting.file_max_size_displayed.to_i.kilobyte) ||
                      ! is_entry_text_data?(@content, @path)
                   # Force the download
                   send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
                   send_type = Redmine::MimeType.of(@path)
                   send_opt[:type] = send_type.to_s if send_type
                   send_data @content, send_opt
                 else
                   # Prevent empty lines when displaying a file with Windows style eol
                   # TODO: UTF-16
                   # Is this needs? AttachmentsController reads file simply.
                   @content.gsub!("\r\n", "\n")
                   @changeset = @repository.find_changeset_by_name(@rev)
                 end
               end
               def is_entry_text_data?(ent, path)
                 # UTF-16 contains "\x00".
                 # It is very strict that file contains less than 30% of ascii symbols
                 # in non Western Europe.
                 return true if Redmine::MimeType.is_type?('text', path)
                 # Ruby 1.8.6 has a bug of integer divisions.
                 # http://apidock.com/ruby/v1_8_6_287/String/is_binary_data%3F
                 return false if ent.is_binary_data?
                 true
               end
               private :is_entry_text_data?
               def annotate
                 @entry = @repository.entry(@path, @rev)
                 (show_error_not_found; return) unless @entry
                 @annotate = @repository.scm.annotate(@path, @rev)
                 if @annotate.nil? || @annotate.empty?
                   (render_error l(:error_scm_annotate); return)
                 end
                 ann_buf_size = 0
                 @annotate.lines.each do |buf|
                   ann_buf_size += buf.size
                 end
                 if ann_buf_size > Setting.file_max_size_displayed.to_i.kilobyte
                   (render_error l(:error_scm_annotate_big_text_file); return)
                 end
                 @changeset = @repository.find_changeset_by_name(@rev)
               end
               def revision
                 respond_to do |format|
                   format.html
                   format.js {render :layout => false}
                 end
               end
               # Adds a related issue to a changeset
               # POST /projects/:project_id/repository/(:repository_id/)revisions/:rev/issues
               def add_related_issue
                 @issue = @changeset.find_referenced_issue_by_id(params[:issue_id])
                 if @issue && (!@issue.visible? || @changeset.issues.include?(@issue))
                   @issue = nil
                 end
                 if @issue
                   @changeset.issues << @issue
                   respond_to do |format|
                     format.js {
                       render :update do |page|
                         page.replace_html "related-issues", :partial => "related_issues"
                         page.visual_effect :highlight, "related-issue-#{@issue.id}"
                       end
                     }
                   end
                 else
                   respond_to do |format|
                     format.js {
                       render :update do |page|
                         page.alert(l(:label_issue) + ' ' + l('activerecord.errors.messages.invalid'))
                       end
                     }
                   end
                 end
               end
               # Removes a related issue from a changeset
               # DELETE /projects/:project_id/repository/(:repository_id/)revisions/:rev/issues/:issue_id
               def remove_related_issue
                 @issue = Issue.visible.find_by_id(params[:issue_id])
                 if @issue
                   @changeset.issues.delete(@issue)
                 end
                 respond_to do |format|
                   format.js {
                     render :update do |page|
                       page.remove "related-issue-#{@issue.id}"
                     end if @issue
                   }
                 end
               end
               def diff
                 if params[:format] == 'diff'
                   @diff = @repository.diff(@path, @rev, @rev_to)
                   (show_error_not_found; return) unless @diff
                   filename = "changeset_r#{@rev}"
                   filename << "_r#{@rev_to}" if @rev_to
                   send_data @diff.join, :filename => "#{filename}.diff",
                                         :type => 'text/x-patch',
                                         :disposition => 'attachment'
                 else
                   @diff_type = params[:type] || User.current.pref[:diff_type] || 'inline'
                   @diff_type = 'inline' unless %w(inline sbs).include?(@diff_type)
                   # Save diff type as user preference
                   if User.current.logged? && @diff_type != User.current.pref[:diff_type]
                     User.current.pref[:diff_type] = @diff_type
                     User.current.preference.save
                   end
                   @cache_key = "repositories/diff/#{@repository.id}/" +
                                   Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}-#{current_language}")
                   unless read_fragment(@cache_key)
                     @diff = @repository.diff(@path, @rev, @rev_to)
                     show_error_not_found unless @diff
                   end
                   @changeset = @repository.find_changeset_by_name(@rev)
                   @changeset_to = @rev_to ? @repository.find_changeset_by_name(@rev_to) : nil
                   @diff_format_revisions = @repository.diff_format_revisions(@changeset, @changeset_to)
                 end
               end
               def stats
               end
               def graph
                 data = nil
                 case params[:graph]
                 when "commits_per_month"
                   data = graph_commits_per_month(@repository)
                 when "commits_per_author"
                   data = graph_commits_per_author(@repository)
                 end
                 if data
                   headers["Content-Type"] = "image/svg+xml"
                   send_data(data, :type => "image/svg+xml", :disposition => "inline")
                 else
                   render_404
                 end
               end
               private
               def find_repository
                 @repository = Repository.find(params[:id])
                 @project = @repository.project
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               REV_PARAM_RE = %r{\A[a-f0-9]*\Z}i
               def find_project_repository
                 @project = Project.find(params[:id])
                 if params[:repository_id].present?
                   @repository = @project.repositories.find_by_identifier_param(params[:repository_id])
                 else
                   @repository = @project.repository
                 end
                 (render_404; return false) unless @repository
                 @path = params[:path].is_a?(Array) ? params[:path].join('/') : params[:path].to_s
                 @rev = params[:rev].blank? ? @repository.default_branch : params[:rev].to_s.strip
                 @rev_to = params[:rev_to]
                 unless @rev.to_s.match(REV_PARAM_RE) && @rev_to.to_s.match(REV_PARAM_RE)
                   if @repository.branches.blank?
                     raise InvalidRevisionParam
                   end
                 end
               rescue ActiveRecord::RecordNotFound
                 render_404
               rescue InvalidRevisionParam
                 show_error_not_found
               end
               def find_changeset
                 if @rev.present?
                   @changeset = @repository.find_changeset_by_name(@rev)
                 end
                 show_error_not_found unless @changeset
               end
               def show_error_not_found
                 render_error :message => l(:error_scm_not_found), :status => 404
               end
               # Handler for Redmine::Scm::Adapters::CommandFailed exception
               def show_error_command_failed(exception)
                 render_error l(:error_scm_command_failed, exception.message)
               end
               def graph_commits_per_month(repository)
                 @date_to = Date.today
                 @date_from = @date_to << 11
                 @date_from = Date.civil(@date_from.year, @date_from.month, 1)
                 commits_by_day = Changeset.count(
                                       :all, :group => :commit_date,
                                       :conditions => ["repository_id = ? AND commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
                 commits_by_month = [0] * 12
-                commits_by_day.each {|c| commits_by_month[c.first.to_date.months_ago] += c.last }
+                commits_by_day.each {|c| commits_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last }
                 changes_by_day = Change.count(
                                       :all, :group => :commit_date, :include => :changeset,
                                       :conditions => ["#{Changeset.table_name}.repository_id = ? AND #{Changeset.table_name}.commit_date BETWEEN ? AND ?", repository.id, @date_from, @date_to])
                 changes_by_month = [0] * 12
-                changes_by_day.each {|c| changes_by_month[c.first.to_date.months_ago] += c.last }
+                changes_by_day.each {|c| changes_by_month[(@date_to.month - c.first.to_date.month) % 12] += c.last }
                 fields = []
 .times {|m| fields << month_name(((Date.today.month - 1 - m) % 12) + 1)}
                 graph = SVG::Graph::Bar.new(
                   :height => 300,
                   :width => 800,
                   :fields => fields.reverse,
                   :stack => :side,
                   :scale_integers => true,
                   :step_x_labels => 2,
                   :show_data_values => false,
                   :graph_title => l(:label_commits_per_month),
                   :show_graph_title => true
                 )
                 graph.add_data(
                   :data => commits_by_month[0..11].reverse,
                   :title => l(:label_revision_plural)
                 )
                 graph.add_data(
                   :data => changes_by_month[0..11].reverse,
                   :title => l(:label_change_plural)
                 )
                 graph.burn
               end
               def graph_commits_per_author(repository)
                 commits_by_author = Changeset.count(:all, :group => :committer, :conditions => ["repository_id = ?", repository.id])
                 commits_by_author.to_a.sort! {|x, y| x.last <=> y.last}
                 changes_by_author = Change.count(:all, :group => :committer, :include => :changeset, :conditions => ["#{Changeset.table_name}.repository_id = ?", repository.id])
                 h = changes_by_author.inject({}) {|o, i| o[i.first] = i.last; o}
                 fields = commits_by_author.collect {|r| r.first}
                 commits_data = commits_by_author.collect {|r| r.last}
                 changes_data = commits_by_author.collect {|r| h[r.first] || 0}
                 fields = fields + [""]*(10 - fields.length) if fields.length<10
                 commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
                 changes_data = changes_data + [0]*(10 - changes_data.length) if changes_data.length<10
                 # Remove email adress in usernames
                 fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }
                 graph = SVG::Graph::BarHorizontal.new(
                   :height => 400,
                   :width => 800,
                   :fields => fields,
                   :stack => :side,
                   :scale_integers => true,
                   :show_data_values => false,
                   :rotate_y_labels => false,
                   :graph_title => l(:label_commits_per_author),
                   :show_graph_title => true
                 )
                 graph.add_data(
                   :data => commits_data,
                   :title => l(:label_revision_plural)
                 )
                 graph.add_data(
                   :data => changes_data,
                   :title => l(:label_change_plural)
                 )
                 graph.burn
               end
             end

test/functional/repositories_controller_test.rb +5 0

             # Redmine - project management software
             # Copyright (C) 2006-2011  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__)
             require 'repositories_controller'
             # Re-raise errors caught by the controller.
             class RepositoriesController; def rescue_action(e) raise e end; end
             class RepositoriesControllerTest < ActionController::TestCase
               fixtures :projects, :users, :roles, :members, :member_roles, :enabled_modules,
                        :repositories, :issues, :issue_statuses, :changesets, :changes,
                        :issue_categories, :enumerations, :custom_fields, :custom_values, :trackers
               def setup
                 @controller = RepositoriesController.new
                 @request    = ActionController::TestRequest.new
                 @response   = ActionController::TestResponse.new
                 User.current = nil
               end
               def test_new
                 @request.session[:user_id] = 1
                 get :new, :project_id => 'subproject1'
                 assert_response :success
                 assert_template 'new'
                 assert_kind_of Repository::Subversion, assigns(:repository)
                 assert assigns(:repository).new_record?
                 assert_tag 'input', :attributes => {:name => 'repository[url]'}
               end
               def test_new_should_propose_enabled_scm_only
                 @request.session[:user_id] = 1
                 with_settings :enabled_scm => ['Mercurial', 'Git'] do
                   get :new, :project_id => 'subproject1'
                 end
                 assert_response :success
                 assert_template 'new'
                 assert_kind_of Repository::Mercurial, assigns(:repository)
                 assert_tag 'select', :attributes => {:name => 'repository_scm'},
                   :children => {:count => 3}
                 assert_tag 'select', :attributes => {:name => 'repository_scm'},
                   :child => {:tag => 'option', :attributes => {:value => 'Mercurial', :selected => 'selected'}}
                 assert_tag 'select', :attributes => {:name => 'repository_scm'},
                   :child => {:tag => 'option', :attributes => {:value => 'Git', :selected => nil}}
               end
               def test_create
                 @request.session[:user_id] = 1
                 assert_difference 'Repository.count' do
                   post :create, :project_id => 'subproject1',
                        :repository_scm => 'Subversion',
                        :repository => {:url => 'file:///test', :is_default => '1', :identifier => ''}
                 end
                 assert_response 302
                 repository = Repository.first(:order => 'id DESC')
                 assert_kind_of Repository::Subversion, repository
                 assert_equal 'file:///test', repository.url
               end
               def test_create_with_failure
                 @request.session[:user_id] = 1
                 assert_no_difference 'Repository.count' do
                   post :create, :project_id => 'subproject1',
                        :repository_scm => 'Subversion',
                        :repository => {:url => 'invalid'}
                 end
                 assert_response :success
                 assert_template 'new'
                 assert_kind_of Repository::Subversion, assigns(:repository)
                 assert assigns(:repository).new_record?
               end
               def test_edit
                 @request.session[:user_id] = 1
                 get :edit, :id => 11
                 assert_response :success
                 assert_template 'edit'
                 assert_equal Repository.find(11), assigns(:repository)
                 assert_tag 'input', :attributes => {:name => 'repository[url]', :value => 'svn://localhost/test'}
               end
               def test_update
                 @request.session[:user_id] = 1
                 put :update, :id => 11, :repository => {:password => 'test_update'}
                 assert_response 302
                 assert_equal 'test_update', Repository.find(11).password
               end
               def test_update_with_failure
                 @request.session[:user_id] = 1
                 put :update, :id => 11, :repository => {:password => 'x'*260}
                 assert_response :success
                 assert_template 'edit'
                 assert_equal Repository.find(11), assigns(:repository)
               end
               def test_destroy
                 @request.session[:user_id] = 1
                 assert_difference 'Repository.count', -1 do
                   delete :destroy, :id => 11
                 end
                 assert_response 302
                 assert_nil Repository.find_by_id(11)
               end
               def test_revisions
                 get :revisions, :id => 1
                 assert_response :success
                 assert_template 'revisions'
                 assert_equal Repository.find(10), assigns(:repository)
                 assert_not_nil assigns(:changesets)
               end
               def test_revisions_for_other_repository
                 repository = Repository::Subversion.create!(:project_id => 1, :identifier => 'foo', :url => 'file:///foo')
                 get :revisions, :id => 1, :repository_id => 'foo'
                 assert_response :success
                 assert_template 'revisions'
                 assert_equal repository, assigns(:repository)
                 assert_not_nil assigns(:changesets)
               end
               def test_revisions_for_invalid_repository
                 get :revisions, :id => 1, :repository_id => 'foo'
                 assert_response 404
               end
               def test_revision
                 get :revision, :id => 1, :rev => 1
                 assert_response :success
                 assert_not_nil assigns(:changeset)
                 assert_equal "1", assigns(:changeset).revision
               end
               def test_revision_should_not_change_the_project_menu_link
                 get :revision, :id => 1, :rev => 1
                 assert_response :success
                 assert_tag 'a', :attributes => {:href => '/projects/ecookbook/repository', :class => /repository/},
                   :ancestor => {:attributes => {:id => 'main-menu'}}
               end
               def test_revision_with_before_nil_and_afer_normal
                 get :revision, {:id => 1, :rev => 1}
                 assert_response :success
                 assert_template 'revision'
                 assert_no_tag :tag => "div", :attributes => { :class => "contextual" },
                   :child => { :tag => "a", :attributes => { :href => '/projects/ecookbook/repository/revisions/0'}
                 }
                 assert_tag :tag => "div", :attributes => { :class => "contextual" },
                     :child => { :tag => "a", :attributes => { :href => '/projects/ecookbook/repository/revisions/2'}
                 }
               end
               def test_add_related_issue
                 @request.session[:user_id] = 2
                 assert_difference 'Changeset.find(103).issues.size' do
                   post :add_related_issue, :id => 1, :rev => 4, :issue_id => 2, :format => 'js'
                   assert_response :success
                 end
                 assert_select_rjs :replace_html, 'related-issues'
                 assert_equal [2], Changeset.find(103).issue_ids
               end
               def test_add_related_issue_with_invalid_issue_id
                 @request.session[:user_id] = 2
                 assert_no_difference 'Changeset.find(103).issues.size' do
                   post :add_related_issue, :id => 1, :rev => 4, :issue_id => 9999, :format => 'js'
                   assert_response :success
                 end
                 assert_include 'alert("Issue is invalid")', @response.body
               end
               def test_remove_related_issue
                 Changeset.find(103).issues << Issue.find(1)
                 Changeset.find(103).issues << Issue.find(2)
                 @request.session[:user_id] = 2
                 assert_difference 'Changeset.find(103).issues.size', -1 do
                   delete :remove_related_issue, :id => 1, :rev => 4, :issue_id => 2, :format => 'js'
                   assert_response :success
                 end
                 assert_select_rjs :remove, 'related-issue-2'
                 assert_equal [1], Changeset.find(103).issue_ids
               end
               def test_graph_commits_per_month
+                # Make sure there's some data to display
+                latest = Project.find(1).repository.changesets.maximum(:commit_date)
+                assert_not_nil latest
+                Date.stubs(:today).returns(latest.to_date + 10)
                 get :graph, :id => 1, :graph => 'commits_per_month'
                 assert_response :success
                 assert_equal 'image/svg+xml', @response.content_type
               end
               def test_graph_commits_per_author
                 get :graph, :id => 1, :graph => 'commits_per_author'
                 assert_response :success
                 assert_equal 'image/svg+xml', @response.content_type
               end
               def test_get_committers
                 @request.session[:user_id] = 2
                 # add a commit with an unknown user
                 Changeset.create!(
                     :repository => Project.find(1).repository,
                     :committer  => 'foo',
                     :committed_on => Time.now,
                     :revision => 100,
                     :comments => 'Committed by foo.'
                  )
                 get :committers, :id => 10
                 assert_response :success
                 assert_template 'committers'
                 assert_tag :td, :content => 'dlopper',
                                 :sibling => { :tag => 'td',
                                               :child => { :tag => 'select', :attributes => { :name => %r{^committers\[\d+\]\[\]$} },
                                                                             :child => { :tag => 'option', :content => 'Dave Lopper',
                                                                                                           :attributes => { :value => '3', :selected => 'selected' }}}}
                 assert_tag :td, :content => 'foo',
                                 :sibling => { :tag => 'td',
                                               :child => { :tag => 'select', :attributes => { :name => %r{^committers\[\d+\]\[\]$} }}}
                 assert_no_tag :td, :content => 'foo',
                                    :sibling => { :tag => 'td',
                                                  :descendant => { :tag => 'option', :attributes => { :selected => 'selected' }}}
               end
               def test_post_committers
                 @request.session[:user_id] = 2
                 # add a commit with an unknown user
                 c = Changeset.create!(
                         :repository => Project.find(1).repository,
                         :committer  => 'foo',
                         :committed_on => Time.now,
                         :revision => 100,
                         :comments => 'Committed by foo.'
                       )
                 assert_no_difference "Changeset.count(:conditions => 'user_id = 3')" do
                   post :committers, :id => 10, :committers => { '0' => ['foo', '2'], '1' => ['dlopper', '3']}
                   assert_response 302
                   assert_equal User.find(2), c.reload.user
                 end
               end
             end

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