def testShouldRaiseTypeExceptionOnInvalidActionType(self):
action = {}
state = 1
store = create(self.reducer, state)
with self.assertRaises(TypeError):
store.dispatch('foo')
with self.assertRaises(TypeError):
store.dispatch(action)
def testShouldFireListenerOnDispatch(self):
state = 0
store = create(self.reducer, state)
unsubscribe = store.subscribe(self.listener)
self.assertTrue(callable(unsubscribe))
store.dispatch({"type": "foo"})
self.assertTrue(unsubscribe())
self.assertFalse(unsubscribe())
def testShouldRaiseExceptionWhenAlreadyDispatching(self):
_state = 1
_store = {"store": create(self.reducer, _state)}
store = _store["store"]
def reducer(state, action):
store.dispatch(action)
return state
with self.assertRaises(RuntimeError):
store.replace_reducer(reducer)
def testShouldRaiseTypeExceptionOnInvalidReducerType(self):
state = 1
with self.assertRaises(TypeError):
create("foo", state)
def testShouldHandleCreate(self):
state = 1
store = create(self.reducer, state)
self.assertEqual(store.get_state(), state + 1)