diff options
Diffstat (limited to 'activerecord/test/cases/lifecycle_test.rb')
-rw-r--r--[-rwxr-xr-x] | activerecord/test/cases/lifecycle_test.rb | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/activerecord/test/cases/lifecycle_test.rb b/activerecord/test/cases/lifecycle_test.rb index 258f7c7a0f..54fb3d8c39 100755..100644 --- a/activerecord/test/cases/lifecycle_test.rb +++ b/activerecord/test/cases/lifecycle_test.rb @@ -74,7 +74,7 @@ class MultiObserver < ActiveRecord::Observer end class LifecycleTest < ActiveRecord::TestCase - fixtures :topics, :developers + fixtures :topics, :developers, :minimalistics def test_before_destroy original_count = Topic.count @@ -143,7 +143,7 @@ class LifecycleTest < ActiveRecord::TestCase assert_equal developer.name, multi_observer.record.name end - def test_observing_after_find_when_not_defined_on_the_model + def test_after_find_can_be_observed_when_its_not_defined_on_the_model observer = MinimalisticObserver.instance assert_equal Minimalistic, MinimalisticObserver.observed_class @@ -151,6 +151,42 @@ class LifecycleTest < ActiveRecord::TestCase assert_equal minimalistic, observer.minimalistic end + def test_after_find_can_be_observed_when_its_defined_on_the_model + observer = TopicObserver.instance + assert_equal Topic, TopicObserver.observed_class + + topic = Topic.find(1) + assert_equal topic, observer.topic + end + + def test_after_find_is_not_created_if_its_not_used + # use a fresh class so an observer can't have defined an + # after_find on it + model_class = Class.new(ActiveRecord::Base) + observer_class = Class.new(ActiveRecord::Observer) + observer_class.observe(model_class) + + observer = observer_class.instance + + assert !model_class.method_defined?(:after_find) + end + + def test_after_find_is_not_clobbered_if_it_already_exists + # use a fresh observer class so we can instantiate it (Observer is + # a Singleton) + model_class = Class.new(ActiveRecord::Base) do + def after_find; end + end + original_method = model_class.instance_method(:after_find) + observer_class = Class.new(ActiveRecord::Observer) do + def after_find; end + end + observer_class.observe(model_class) + + observer = observer_class.instance + assert_equal original_method, model_class.instance_method(:after_find) + end + def test_invalid_observer assert_raise(ArgumentError) { Topic.observers = Object.new; Topic.instantiate_observers } end |