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Diffstat (limited to 'activemodel/test/cases/observing_test.rb')
-rw-r--r-- | activemodel/test/cases/observing_test.rb | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/activemodel/test/cases/observing_test.rb b/activemodel/test/cases/observing_test.rb deleted file mode 100644 index ade6026602..0000000000 --- a/activemodel/test/cases/observing_test.rb +++ /dev/null @@ -1,181 +0,0 @@ -require 'cases/helper' - -class ObservedModel - include ActiveModel::Observing - - class Observer - end -end - -class FooObserver < ActiveModel::Observer - class << self - public :new - end - - attr_accessor :stub - - def on_spec(record, *args) - stub.event_with(record, *args) if stub - end - - def around_save(record) - yield :in_around_save - end -end - -class Foo - include ActiveModel::Observing -end - -class ObservingTest < ActiveModel::TestCase - def setup - ObservedModel.observers.clear - end - - test "initializes model with no cached observers" do - assert ObservedModel.observers.empty?, "Not empty: #{ObservedModel.observers.inspect}" - end - - test "stores cached observers in an array" do - ObservedModel.observers << :foo - assert ObservedModel.observers.include?(:foo), ":foo not in #{ObservedModel.observers.inspect}" - end - - test "flattens array of assigned cached observers" do - ObservedModel.observers = [[:foo], :bar] - assert ObservedModel.observers.include?(:foo), ":foo not in #{ObservedModel.observers.inspect}" - assert ObservedModel.observers.include?(:bar), ":bar not in #{ObservedModel.observers.inspect}" - end - - test "uses an ObserverArray so observers can be disabled" do - ObservedModel.observers = [:foo, :bar] - assert ObservedModel.observers.is_a?(ActiveModel::ObserverArray) - end - - test "instantiates observer names passed as strings" do - ObservedModel.observers << 'foo_observer' - FooObserver.expects(:instance) - ObservedModel.instantiate_observers - end - - test "instantiates observer names passed as symbols" do - ObservedModel.observers << :foo_observer - FooObserver.expects(:instance) - ObservedModel.instantiate_observers - end - - test "instantiates observer classes" do - ObservedModel.observers << ObservedModel::Observer - ObservedModel::Observer.expects(:instance) - ObservedModel.instantiate_observers - end - - test "raises an appropriate error when a developer accidentally adds the wrong class (i.e. Widget instead of WidgetObserver)" do - assert_raise ArgumentError do - ObservedModel.observers = ['string'] - ObservedModel.instantiate_observers - end - assert_raise ArgumentError do - ObservedModel.observers = [:string] - ObservedModel.instantiate_observers - end - assert_raise ArgumentError do - ObservedModel.observers = [String] - ObservedModel.instantiate_observers - end - end - - test "passes observers to subclasses" do - FooObserver.instance - bar = Class.new(Foo) - assert_equal Foo.observers_count, bar.observers_count - end -end - -class ObserverTest < ActiveModel::TestCase - def setup - ObservedModel.observers = :foo_observer - FooObserver.singleton_class.instance_eval do - alias_method :original_observed_classes, :observed_classes - end - end - - def teardown - FooObserver.singleton_class.instance_eval do - undef_method :observed_classes - alias_method :observed_classes, :original_observed_classes - end - end - - test "guesses implicit observable model name" do - assert_equal Foo, FooObserver.observed_class - end - - test "tracks implicit observable models" do - instance = FooObserver.new - assert_equal [Foo], instance.observed_classes - end - - test "tracks explicit observed model class" do - FooObserver.observe ObservedModel - instance = FooObserver.new - assert_equal [ObservedModel], instance.observed_classes - end - - test "tracks explicit observed model as string" do - FooObserver.observe 'observed_model' - instance = FooObserver.new - assert_equal [ObservedModel], instance.observed_classes - end - - test "tracks explicit observed model as symbol" do - FooObserver.observe :observed_model - instance = FooObserver.new - assert_equal [ObservedModel], instance.observed_classes - end - - test "calls existing observer event" do - foo = Foo.new - FooObserver.instance.stub = stub - FooObserver.instance.stub.expects(:event_with).with(foo) - Foo.notify_observers(:on_spec, foo) - end - - test "calls existing observer event from the instance" do - foo = Foo.new - FooObserver.instance.stub = stub - FooObserver.instance.stub.expects(:event_with).with(foo) - foo.notify_observers(:on_spec) - end - - test "passes extra arguments" do - foo = Foo.new - FooObserver.instance.stub = stub - FooObserver.instance.stub.expects(:event_with).with(foo, :bar) - Foo.send(:notify_observers, :on_spec, foo, :bar) - end - - test "skips nonexistent observer event" do - foo = Foo.new - Foo.notify_observers(:whatever, foo) - end - - test "update passes a block on to the observer" do - yielded_value = nil - FooObserver.instance.update(:around_save, Foo.new) do |val| - yielded_value = val - end - assert_equal :in_around_save, yielded_value - end - - test "observe redefines observed_classes class method" do - class BarObserver < ActiveModel::Observer - observe :foo - end - - assert_equal [Foo], BarObserver.observed_classes - - BarObserver.observe(ObservedModel) - assert_equal [ObservedModel], BarObserver.observed_classes - end -end |