115 lines
3.5 KiB
Ruby
115 lines
3.5 KiB
Ruby
#-- encoding: UTF-8
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#-- copyright
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# ChiliProject is a project management system.
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#
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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require File.expand_path('../../test_helper', __FILE__)
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class ProjectNestedSetTest < ActiveSupport::TestCase
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context "nested set" do
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setup do
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Project.delete_all
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@a = Project.create!(:name => 'Project A', :identifier => 'projecta')
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@a1 = Project.create!(:name => 'Project A1', :identifier => 'projecta1')
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@a1.set_parent!(@a)
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@a2 = Project.create!(:name => 'Project A2', :identifier => 'projecta2')
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@a2.set_parent!(@a)
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@b = Project.create!(:name => 'Project B', :identifier => 'projectb')
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@b1 = Project.create!(:name => 'Project B1', :identifier => 'projectb1')
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@b1.set_parent!(@b)
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@b11 = Project.create!(:name => 'Project B11', :identifier => 'projectb11')
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@b11.set_parent!(@b1)
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@b2 = Project.create!(:name => 'Project B2', :identifier => 'projectb2')
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@b2.set_parent!(@b)
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@c = Project.create!(:name => 'Project C', :identifier => 'projectc')
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@c1 = Project.create!(:name => 'Project C1', :identifier => 'projectc1')
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@c1.set_parent!(@c)
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[@a, @a1, @a2, @b, @b1, @b11, @b2, @c, @c1].each(&:reload)
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end
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context "#create" do
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should "build valid tree" do
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assert_nested_set_values({
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@a => [nil, 1, 6],
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@a1 => [@a.id, 2, 3],
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@a2 => [@a.id, 4, 5],
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@b => [nil, 7, 14],
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@b1 => [@b.id, 8, 11],
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@b11 => [@b1.id,9, 10],
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@b2 => [@b.id,12, 13],
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@c => [nil, 15, 18],
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@c1 => [@c.id,16, 17]
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})
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end
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end
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context "#set_parent!" do
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should "keep valid tree" do
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assert_no_difference 'Project.count' do
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Project.find_by_name('Project B1').set_parent!(Project.find_by_name('Project A2'))
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end
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assert_nested_set_values({
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@a => [nil, 1, 10],
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@a2 => [@a.id, 4, 9],
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@b1 => [@a2.id,5, 8],
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@b11 => [@b1.id,6, 7],
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@b => [nil, 11, 14],
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@c => [nil, 15, 18]
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})
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end
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end
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context "#destroy" do
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context "a root with children" do
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should "not mess up the tree" do
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assert_difference 'Project.count', -4 do
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Project.find_by_name('Project B').destroy
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end
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assert_nested_set_values({
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@a => [nil, 1, 6],
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@a1 => [@a.id, 2, 3],
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@a2 => [@a.id, 4, 5],
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@c => [nil, 7, 10],
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@c1 => [@c.id, 8, 9]
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})
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end
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end
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context "a child with children" do
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should "not mess up the tree" do
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assert_difference 'Project.count', -2 do
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Project.find_by_name('Project B1').destroy
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end
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assert_nested_set_values({
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@a => [nil, 1, 6],
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@b => [nil, 7, 10],
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@b2 => [@b.id, 8, 9],
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@c => [nil, 11, 14]
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})
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end
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end
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end
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end
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def assert_nested_set_values(h)
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assert Project.valid?
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h.each do |project, expected|
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project.reload
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assert_equal expected, [project.parent_id, project.lft, project.rgt], "Unexpected nested set values for #{project.name}"
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end
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end
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end
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