def test_push():
engine = LocalMemoryEngine()
actor = ActorBase(engine, [], {})
actor.push('foo', 1)
assert actor.get('foo') == [1]
def test_push_broken():
engine = FaultyEngine()
actor = ActorBase(engine, [], {})
with pytest.raises(StorageError):
actor.push('foo', 1)
def test_pull():
engine = LocalMemoryEngine()
actor = ActorBase(engine, [], {})
actor.push('foo', 1)
assert list(actor.pull('foo')) == [1]