def test_any(self):
'''A callback bound to sa.ANY is triggered by any signal.'''
actor = ActorAny()
director = sa.Director()
actor.emit('foobar')
director.run()
self.assertEqual([sa.INITIATE, 'foobar'], actor.messages)
def test_halt(self):
'''Halting the directory process FINISH and reset the event queue.'''
director = sa.Director()
sa.global_event_queue.append('foo') # If processed --> ValueError
with mock.patch.object(director, 'process_event') as mock_process:
director.halt(sa.HALT, self)
self.assertEqual([], list(sa.global_event_queue))
mock_process.assert_called_once_with((sa.FINISH, director, (), {}))
def test_kill(self):
'''Killing an actor removes it completely from the registries.'''
actor = ActorSingle()
director = sa.Director()
actor.emit(sa.KILL, target=actor)
director.run()
self.assertNotIn(actor, sa.global_actors)
self.assertNotIn(actor.echo_callback, sa.global_callbacks['echo'])
def test_run(self):
'''A callback is triggered on emitting the bound signal.'''
actor = ActorSingle()
director = sa.Director()
a_dictionary = {}
actor.emit('echo', a_dictionary=a_dictionary)
director.run()
self.assertEqual({'emitter': actor}, a_dictionary)
def test_actors(self):
'''Director.actors return all actors withouth the director.'''
first = ActorSingle()
second = ActorSingle()
third = ActorDouble()
director = sa.Director()
expected = set([first, second, third])
self.assertEqual(expected, director.actors)
def test_run_send_initiate_event(self):
'''Running the Dirctor emit the INITIATE signal.'''
director = sa.Director()
with mock.patch.object(director, 'process_event') as mock_process:
director.emit('second')
director.run()
expected = [sa.INITIATE, 'second']
actual = [c[0][0][0] for c in mock_process.call_args_list]
self.assertEqual(expected, actual)
def test_process_event(self):
'''Processing an events means triggering all callbacks.'''
mock_cb_one = mock.MagicMock(name='one')
mock_cb_two = mock.MagicMock(name='two')
mock_cb_three = mock.MagicMock(name='three')
sa.global_callbacks['foo'] = set([mock_cb_one, mock_cb_two])
sa.global_callbacks['bar'] = set([mock_cb_three])
director = sa.Director()
event = ('foo', None, (1, 2), {'spam': 42})
director.process_event(event)
mock_cb_one.assert_called_once_with('foo', None, 1, 2, spam=42)
mock_cb_two.assert_called_once_with('foo', None, 1, 2, spam=42)
self.assertFalse(mock_cb_three.called)
def test_run_effect_on_registries(self):
'''Registries are left untouched by a simulation run.'''
actor = ActorSingle()
director = sa.Director()
director.run()
expected = {
'echo': set([actor.echo_callback]),
sa.KILL: set([director.kill]),
sa.HALT: set([director.halt]),
sa.INITIATE: set(),
sa.ANY: set()
}
self.assertEqual(expected, sa.global_callbacks)
self.assertEqual(set([actor, director]), sa.global_actors)
self.assertEqual(0, len(sa.global_event_queue))