diff .svn/pristine/10/10fa798bfd4dc35b558fd0502d1cd4f15f26285c.svn-base @ 909:cbb26bc654de redmine-1.3

Update to Redmine 1.3-stable branch (Redmine SVN rev 8964)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.svn/pristine/10/10fa798bfd4dc35b558fd0502d1cd4f15f26285c.svn-base	Fri Feb 24 19:09:32 2012 +0000
@@ -0,0 +1,118 @@
+# 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