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1 | 1 | # Redmine - project management software |
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2 |
# Copyright (C) 2006-201 |
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2 | # Copyright (C) 2006-2011 Jean-Philippe Lang | |
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3 | 3 | # |
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4 | 4 | # This program is free software; you can redistribute it and/or |
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5 | 5 | # modify it under the terms of the GNU General Public License |
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6 | 6 | # as published by the Free Software Foundation; either version 2 |
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7 | 7 | # of the License, or (at your option) any later version. |
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8 | 8 |
# |
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9 | 9 | # This program is distributed in the hope that it will be useful, |
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10 | 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | 12 | # GNU General Public License for more details. |
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13 | 13 |
# |
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14 | 14 | # You should have received a copy of the GNU General Public License |
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15 | 15 | # along with this program; if not, write to the Free Software |
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16 | 16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | 17 | |
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18 | 18 | require File.expand_path('../../test_helper', __FILE__) |
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19 | 19 | |
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20 | 20 | class ProjectNestedSetTest < ActiveSupport::TestCase |
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21 | 21 | |
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22 | 22 | context "nested set" do |
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23 | 23 | setup do |
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24 | 24 | Project.delete_all |
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25 | 25 | |
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26 | 26 | @a = Project.create!(:name => 'Project A', :identifier => 'projecta') |
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27 | 27 | @a1 = Project.create!(:name => 'Project A1', :identifier => 'projecta1') |
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28 | 28 | @a1.set_parent!(@a) |
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29 | 29 | @a2 = Project.create!(:name => 'Project A2', :identifier => 'projecta2') |
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30 | 30 | @a2.set_parent!(@a) |
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31 | 31 | |
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32 | 32 | @b = Project.create!(:name => 'Project B', :identifier => 'projectb') |
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33 | 33 | @b1 = Project.create!(:name => 'Project B1', :identifier => 'projectb1') |
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34 | 34 | @b1.set_parent!(@b) |
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35 | 35 | @b11 = Project.create!(:name => 'Project B11', :identifier => 'projectb11') |
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36 | 36 | @b11.set_parent!(@b1) |
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37 | 37 | @b2 = Project.create!(:name => 'Project B2', :identifier => 'projectb2') |
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38 | 38 | @b2.set_parent!(@b) |
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39 | 39 | |
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40 | 40 | @c = Project.create!(:name => 'Project C', :identifier => 'projectc') |
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41 | 41 | @c1 = Project.create!(:name => 'Project C1', :identifier => 'projectc1') |
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42 | 42 | @c1.set_parent!(@c) |
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43 | 43 | |
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44 | 44 | [@a, @a1, @a2, @b, @b1, @b11, @b2, @c, @c1].each(&:reload) |
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45 | 45 | end |
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46 | 46 | |
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47 | 47 | context "#create" do |
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48 | 48 | should "build valid tree" do |
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49 | 49 | assert_nested_set_values({ |
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50 | 50 | @a => [nil, 1, 6], |
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51 | 51 | @a1 => [@a.id, 2, 3], |
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52 | 52 | @a2 => [@a.id, 4, 5], |
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53 | 53 | @b => [nil, 7, 14], |
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54 | 54 | @b1 => [@b.id, 8, 11], |
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55 | 55 | @b11 => [@b1.id,9, 10], |
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56 | 56 | @b2 => [@b.id,12, 13], |
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57 | 57 | @c => [nil, 15, 18], |
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58 | 58 | @c1 => [@c.id,16, 17] |
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59 | 59 | }) |
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60 | 60 | end |
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61 | 61 | end |
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62 | 62 | |
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63 | 63 | context "#set_parent!" do |
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64 | 64 | should "keep valid tree" do |
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65 | 65 | assert_no_difference 'Project.count' do |
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66 | 66 | Project.find_by_name('Project B1').set_parent!(Project.find_by_name('Project A2')) |
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67 | 67 | end |
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68 | 68 | assert_nested_set_values({ |
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69 | 69 | @a => [nil, 1, 10], |
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70 | 70 | @a2 => [@a.id, 4, 9], |
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71 | 71 | @b1 => [@a2.id,5, 8], |
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72 | 72 | @b11 => [@b1.id,6, 7], |
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73 | 73 | @b => [nil, 11, 14], |
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74 | 74 | @c => [nil, 15, 18] |
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75 | 75 | }) |
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76 | 76 | end |
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77 | 77 | end |
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78 | 78 | |
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79 | 79 | context "#destroy" do |
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80 | 80 | context "a root with children" do |
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81 | 81 | should "not mess up the tree" do |
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82 | 82 | assert_difference 'Project.count', -4 do |
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83 | 83 | Project.find_by_name('Project B').destroy |
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84 | 84 | end |
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85 | 85 | assert_nested_set_values({ |
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86 | 86 | @a => [nil, 1, 6], |
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87 | 87 | @a1 => [@a.id, 2, 3], |
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88 | 88 | @a2 => [@a.id, 4, 5], |
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89 | 89 | @c => [nil, 7, 10], |
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90 | 90 | @c1 => [@c.id, 8, 9] |
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91 | 91 | }) |
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92 | 92 | end |
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93 | 93 | end |
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94 | 94 | |
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95 | 95 | context "a child with children" do |
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96 | 96 | should "not mess up the tree" do |
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97 | 97 | assert_difference 'Project.count', -2 do |
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98 | 98 | Project.find_by_name('Project B1').destroy |
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99 | 99 | end |
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100 | 100 | assert_nested_set_values({ |
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101 | 101 | @a => [nil, 1, 6], |
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102 | 102 | @b => [nil, 7, 10], |
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103 | 103 | @b2 => [@b.id, 8, 9], |
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104 | 104 | @c => [nil, 11, 14] |
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105 | 105 | }) |
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106 | 106 | end |
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107 | 107 | end |
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108 | 108 | end |
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109 | 109 | end |
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110 | 110 | |
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111 | 111 | def assert_nested_set_values(h) |
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112 | 112 | assert Project.valid? |
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113 | 113 | h.each do |project, expected| |
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114 | 114 | project.reload |
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115 | 115 | assert_equal expected, [project.parent_id, project.lft, project.rgt], "Unexpected nested set values for #{project.name}" |
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116 | 116 | end |
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117 | 117 | end |
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118 | 118 | end |
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