annotate test/unit/project_nested_set_test.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# 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__)

class ProjectNestedSetTest < ActiveSupport::TestCase

  context "nested set" do
    setup do
      Project.delete_all

      @a = Project.create!(:name => 'Project A', :identifier => 'projecta')
      @a1 = Project.create!(:name => 'Project A1', :identifier => 'projecta1')
      @a1.set_parent!(@a)
      @a2 = Project.create!(:name => 'Project A2', :identifier => 'projecta2')
      @a2.set_parent!(@a)

      @b = Project.create!(:name => 'Project B', :identifier => 'projectb')
      @b1 = Project.create!(:name => 'Project B1', :identifier => 'projectb1')
      @b1.set_parent!(@b)
      @b11 = Project.create!(:name => 'Project B11', :identifier => 'projectb11')
      @b11.set_parent!(@b1)
      @b2 = Project.create!(:name => 'Project B2', :identifier => 'projectb2')
      @b2.set_parent!(@b)

      @c = Project.create!(:name => 'Project C', :identifier => 'projectc')
      @c1 = Project.create!(:name => 'Project C1', :identifier => 'projectc1')
      @c1.set_parent!(@c)

      [@a, @a1, @a2, @b, @b1, @b11, @b2, @c, @c1].each(&:reload)
    end

    context "#create" do
      should "build valid tree" do
        assert_nested_set_values({
          @a   => [nil,   1,  6],
          @a1  => [@a.id, 2,  3],
          @a2  => [@a.id, 4,  5],
          @b   => [nil,   7, 14],
          @b1  => [@b.id, 8, 11],
          @b11 => [@b1.id,9, 10],
          @b2  => [@b.id,12, 13],
          @c   => [nil,  15, 18],
          @c1  => [@c.id,16, 17]
        })
      end
    end

    context "#set_parent!" do
      should "keep valid tree" do
        assert_no_difference 'Project.count' do
          Project.find_by_name('Project B1').set_parent!(Project.find_by_name('Project A2'))
        end
        assert_nested_set_values({
          @a   => [nil,   1, 10],
          @a2  => [@a.id, 4,  9],
          @b1  => [@a2.id,5,  8],
          @b11 => [@b1.id,6,  7],
          @b   => [nil,  11, 14],
          @c   => [nil,  15, 18]
        })
      end
    end

    context "#destroy" do
      context "a root with children" do
        should "not mess up the tree" do
          assert_difference 'Project.count', -4 do
            Project.find_by_name('Project B').destroy
          end
          assert_nested_set_values({
            @a  => [nil,   1,  6],
            @a1 => [@a.id, 2,  3],
            @a2 => [@a.id, 4,  5],
            @c  => [nil,   7, 10],
            @c1 => [@c.id, 8,  9]
          })
        end
      end

      context "a child with children" do
        should "not mess up the tree" do
          assert_difference 'Project.count', -2 do
            Project.find_by_name('Project B1').destroy
          end
          assert_nested_set_values({
            @a  => [nil,   1,  6],
            @b  => [nil,   7, 10],
            @b2 => [@b.id, 8,  9],
            @c  => [nil,  11, 14]
          })
        end
      end
    end
  end

  def assert_nested_set_values(h)
    assert Project.valid?
    h.each do |project, expected|
      project.reload
      assert_equal expected, [project.parent_id, project.lft, project.rgt], "Unexpected nested set values for #{project.name}"
    end
  end
end