def test_act__updates_state(self):
expected = {'some': 'object'}
target = Store(test_state)
test_action = Action()
test_action.act = Mock(return_value=expected)
target.act(test_action)
assert expected == target.state
def test_act__state_not_changed__subscriber_not_triggered(self):
target = Store(test_state)
subscriber = Mock()
target.subscribe(subscriber)
test_action = Action()
test_action.act = lambda state: state
target.act(test_action)
subscriber.assert_not_called()
def test_act__state_changed__subscriber_triggered(self):
expected = {'some': 'object'}
target = Store(test_state)
subscriber = Mock()
target.subscribe(subscriber)
test_action = Action()
test_action.act = Mock(return_value=expected)
target.act(test_action)
subscriber.assert_called_once()
def test_act__action_gets_state(self):
target = Store(test_state)
test_action = Action()
def assertion(state):
assert test_state == state
return state
test_action.act = assertion
target.act(test_action)
def test_act__returns_a_copy(self):
target = Action()
actual = target.act(test_state)
assert test_state == actual
def test_act__returns_another_object(self):
target = Action()
actual = target.act(test_state)
assert not test_state is actual