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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)
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_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
def test_push_with_attributes
assert_deprecated 'push_with_attributes' do
david = developers(:david)
activerecord = projects(:active_record)
assert activerecord.developers_log.empty?
activerecord.developers_with_callbacks.push_with_attributes(david, {})
assert_equal ["before_adding#{david.id}", "after_adding#{david.id}"], activerecord.developers_log
activerecord.developers_with_callbacks.push_with_attributes(david, {})
assert_equal ["before_adding#{david.id}", "after_adding#{david.id}", "before_adding#{david.id}",
"after_adding#{david.id}"], activerecord.developers_log
end
end
end
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