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Tests for association callbacks

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1654 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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1 parent 4180e57 commit 4db3a40471eed725ffffba5ea3f65da99e5e2971 @dhh dhh committed Jul 4, 2005
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  1. +100 −0 activerecord/test/association_callbacks_test.rb
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100 activerecord/test/association_callbacks_test.rb
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+require 'abstract_unit'
+require 'fixtures/post'
+require 'fixtures/comment'
+require 'fixtures/author'
+require 'fixtures/category'
+require 'fixtures/project'
+require 'fixtures/developer'
+
+class AssociationCallbacksTest < Test::Unit::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_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)
+ ar = projects(:active_record)
+ assert ar.developers_log.empty?
+ ar.developers_with_callbacks.delete(david)
+ assert_equal ["before_removing#{david.id}", "after_removing#{david.id}"], ar.developers_log
+
+ ar.developers_with_callbacks.delete(jamis)
+ assert_equal ["before_removing#{david.id}", "after_removing#{david.id}", "before_removing#{jamis.id}",
+ "after_removing#{jamis.id}"], ar.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
+

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