class ARegisteredCallbackOnASenderWhichReceivesAEvent(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.sender.register('event', self.callback)
self.sender.notify('event', 'message')
def callback(self, event, arg):
self.event = event
self.arg = arg
def test_should_receive_the_correct_event(self):
self.assertEqual(self.event, 'event')
def test_should_receive_the_correct_arguments(self):
self.assertEqual(self.arg, 'message')
class ASenderWithTwoCallbacksForTheSameSignal(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.called = False
self.called2 = self.called1 = False
self.sender.register('event', self.callback1)
self.sender.register('event', self.callback2)
def callback1(self, event, arg):
self.called1 = True
def callback2(self, event, arg):
self.called2 = True
def test_should_notify_both_if_the_registered_signal_was_called(self):
self.sender.notify('event', 'msg')
self.assertTrue(self.called1)
self.assertTrue(self.called2)
class ARegisteredCallbackWithMultipleArgsReceivesAEvent(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.sender.register('event', self.callback)
self.sender.notify('event', 'message1', 'message2')
def callback(self, event, arg1, arg2):
self.event = event
self.arg1 = arg1
self.arg2 = arg2
def test_should_receive_the_correct_event(self):
self.assertEqual(self.event, 'event')
def test_should_receive_message1(self):
self.assertEqual(self.arg1, 'message1')
def test_should_receive_message2(self):
self.assertEqual(self.arg2, 'message2')
class ASenderWithOneCallback(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.called = False
self.sender.register('event', self.callback)
def callback(self, event, arg):
self.called = True
def test_should_notify_if_the_registered_signal_was_called(self):
self.sender.notify('event', 'message')
self.assertTrue(self.called)
def test_should_not_notify_if_another_signal_was_called(self):
self.sender.notify('other_event', 'message')
self.assertFalse(self.called)
def test_should_remove_the_callback_on_unregister(self):
self.sender.unregister('event', self.callback)
self.sender.notify('event', 'message')
self.assertFalse(self.called)
class ACallBackWhichRegisteredToThe__all__event(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.sender.register('__all__', self.callback)
self.called = False
def callback(self, event, *messages):
self.called = True
def test_should_be_notified_on_a_test_event(self):
self.sender.notify('test', 'msg')
self.assertTrue(self.called)
def test_should_be_notified_on_a_event_event(self):
self.sender.notify('event', 'msg1', 'msg2')
self.assertTrue(self.called)
class AnNewSender(unittest.TestCase):
def setUp(self):
self.sender = Sender()
self.called = False
def callback(self, event, arg):
self.called = True
def test_should_add_a_callback_on_register(self):
self.sender.register('some_event', self.callback)
self.assertEqual(len(self.sender.callbacks), 1)
def test_should_have_zero_callbacks(self):
self.assertEqual(len(self.sender.callbacks), 0)
def test_should_not_call_anything_on_notify(self):
self.sender.notify('some_event', 'msg')
self.assertFalse(self.called)
def test_should_not_raise_error_on_unregister(self):
self.sender.unregister('some_event', self.callback)
def setUp(self):
self.sender = Sender()
self.sender.register('event', self.callback)
self.sender.notify('event', 'message1', 'message2')
def setUp(self):
self.sender = Sender()
self.called = False
self.called2 = self.called1 = False
self.sender.register('event', self.callback1)
self.sender.register('event', self.callback2)
def setUp(self): self.sender = Sender() self.called = False
def setUp(self):
self.sender = Sender()
self.sender.register('__all__', self.callback)
self.called = False
