diff options
Diffstat (limited to 'activerecord/test/cases/associations/callbacks_test.rb')
| -rw-r--r-- | activerecord/test/cases/associations/callbacks_test.rb | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/callbacks_test.rb b/activerecord/test/cases/associations/callbacks_test.rb new file mode 100644 index 0000000000..0b510df8d9 --- /dev/null +++ b/activerecord/test/cases/associations/callbacks_test.rb @@ -0,0 +1,146 @@ +require 'abstract_unit' +require 'models/post' +require 'models/comment' +require 'models/author' +require 'models/category' +require 'models/project' +require 'models/developer' + +class AssociationCallbacksTest < ActiveSupport::TestCase + fixtures :posts, :authors, :projects, :developers + + def setup + @david = authors(:david) + @thinking = posts(:thinking) + @authorless = posts(:authorless) + assert @david.post_log.empty? + end + + def test_adding_macro_callbacks + @david.posts_with_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log + @david.posts_with_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}", + "after_adding#{@thinking.id}"], @david.post_log + end + + def test_adding_with_proc_callbacks + @david.posts_with_proc_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log + @david.posts_with_proc_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}", + "after_adding#{@thinking.id}"], @david.post_log + end + + def test_removing_with_macro_callbacks + first_post, second_post = @david.posts_with_callbacks[0, 2] + @david.posts_with_callbacks.delete(first_post) + assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log + @david.posts_with_callbacks.delete(second_post) + assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}", + "after_removing#{second_post.id}"], @david.post_log + end + + def test_removing_with_proc_callbacks + first_post, second_post = @david.posts_with_callbacks[0, 2] + @david.posts_with_proc_callbacks.delete(first_post) + assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log + @david.posts_with_proc_callbacks.delete(second_post) + assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}", + "after_removing#{second_post.id}"], @david.post_log + end + + def test_multiple_callbacks + @david.posts_with_multiple_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}", + "after_adding_proc#{@thinking.id}"], @david.post_log + @david.posts_with_multiple_callbacks << @thinking + assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}", + "after_adding_proc#{@thinking.id}", "before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", + "after_adding#{@thinking.id}", "after_adding_proc#{@thinking.id}"], @david.post_log + end + + def test_has_many_callbacks_with_create + morten = Author.create :name => "Morten" + post = morten.posts_with_proc_callbacks.create! :title => "Hello", :body => "How are you doing?" + assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log + end + + def test_has_many_callbacks_with_create! + morten = Author.create! :name => "Morten" + post = morten.posts_with_proc_callbacks.create :title => "Hello", :body => "How are you doing?" + assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log + end + + def test_has_many_callbacks_for_save_on_parent + jack = Author.new :name => "Jack" + post = jack.posts_with_callbacks.build :title => "Call me back!", :body => "Before you wake up and after you sleep" + + callback_log = ["before_adding<new>", "after_adding#{jack.posts_with_callbacks.first.id}"] + assert_equal callback_log, jack.post_log + assert jack.save + assert_equal 1, jack.posts_with_callbacks.count + assert_equal callback_log, jack.post_log + end + + def test_has_and_belongs_to_many_add_callback + david = developers(:david) + ar = projects(:active_record) + assert ar.developers_log.empty? + ar.developers_with_callbacks << david + assert_equal ["before_adding#{david.id}", "after_adding#{david.id}"], ar.developers_log + ar.developers_with_callbacks << david + assert_equal ["before_adding#{david.id}", "after_adding#{david.id}", "before_adding#{david.id}", + "after_adding#{david.id}"], ar.developers_log + end + + def test_has_and_belongs_to_many_remove_callback + david = developers(:david) + jamis = developers(:jamis) + activerecord = projects(:active_record) + assert activerecord.developers_log.empty? + activerecord.developers_with_callbacks.delete(david) + assert_equal ["before_removing#{david.id}", "after_removing#{david.id}"], activerecord.developers_log + + activerecord.developers_with_callbacks.delete(jamis) + assert_equal ["before_removing#{david.id}", "after_removing#{david.id}", "before_removing#{jamis.id}", + "after_removing#{jamis.id}"], activerecord.developers_log + end + + def test_has_and_belongs_to_many_remove_callback_on_clear + activerecord = projects(:active_record) + assert activerecord.developers_log.empty? + if activerecord.developers_with_callbacks.size == 0 + activerecord.developers << developers(:david) + activerecord.developers << developers(:jamis) + activerecord.reload + assert activerecord.developers_with_callbacks.size == 2 + end + log_array = activerecord.developers_with_callbacks.collect {|d| ["before_removing#{d.id}","after_removing#{d.id}"]}.flatten.sort + assert activerecord.developers_with_callbacks.clear + assert_equal log_array, activerecord.developers_log.sort + end + + def test_has_many_and_belongs_to_many_callbacks_for_save_on_parent + project = Project.new :name => "Callbacks" + project.developers_with_callbacks.build :name => "Jack", :salary => 95000 + + callback_log = ["before_adding<new>", "after_adding<new>"] + assert_equal callback_log, project.developers_log + assert project.save + assert_equal 1, project.developers_with_callbacks.size + assert_equal callback_log, project.developers_log + end + + def test_dont_add_if_before_callback_raises_exception + assert !@david.unchangable_posts.include?(@authorless) + begin + @david.unchangable_posts << @authorless + rescue Exception => e + end + assert @david.post_log.empty? + assert !@david.unchangable_posts.include?(@authorless) + @david.reload + assert !@david.unchangable_posts.include?(@authorless) + end +end |