Additional unit tests for project tree.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4650 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang 2011-01-06 21:17:08 +00:00
parent 88d65c5149
commit 306a47023c
1 changed files with 94 additions and 34 deletions

View File

@ -19,40 +19,100 @@ require File.expand_path('../../test_helper', __FILE__)
class ProjectNestedSetTest < ActiveSupport::TestCase
def setup
Project.delete_all
end
def test_destroy_root_and_chldren_should_not_mess_up_the_tree
a = Project.create!(:name => 'Project A', :identifier => 'projecta')
a1 = Project.create!(:name => 'Project A1', :identifier => 'projecta1')
a2 = Project.create!(:name => 'Project A2', :identifier => 'projecta2')
a1.set_parent!(a)
a2.set_parent!(a)
b = Project.create!(:name => 'Project B', :identifier => 'projectb')
b1 = Project.create!(:name => 'Project B1', :identifier => 'projectb1')
b1.set_parent!(b)
a.reload
a1.reload
a2.reload
b.reload
b1.reload
assert_equal [nil, 1, 6], [a.parent_id, a.lft, a.rgt]
assert_equal [a.id, 2, 3], [a1.parent_id, a1.lft, a1.rgt]
assert_equal [a.id, 4, 5], [a2.parent_id, a2.lft, a2.rgt]
assert_equal [nil, 7, 10], [b.parent_id, b.lft, b.rgt]
assert_equal [b.id, 8, 9], [b1.parent_id, b1.lft, b1.rgt]
assert_difference 'Project.count', -3 do
a.destroy
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
b.reload
b1.reload
assert_equal [nil, 1, 4], [b.parent_id, b.lft, b.rgt]
assert_equal [b.id, 2, 3], [b1.parent_id, b1.lft, b1.rgt]
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
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