def api_wrapper(*args, **kwargs):
post_id = kwargs["post_id"]
post_storage = PostStorageImpl()
json_presenter = JsonPresenterImpl()
interactor = DeletePostInteractor(post_storage, json_presenter)
response = interactor.delete_post(post_id)
return HttpResponse(json.dumps(response), status=201)
def api_wrapper(*args, **kwargs):
post_id = kwargs['postid']
post_storage = Storage()
presenter = Presenter()
interactor = DeletePostInteractor(post_storage, presenter)
response = interactor.delete_post(post_id)
import json
return json.dumps(response)
def test_post_not_exists(self):
post_storage_mock = Mock(spec=PostStorage)
presenter_mock = Mock(spec=JsonPresenter)
delete_post = DeletePostInteractor(post_storage_mock, presenter_mock)
post_id = 2
post_storage_mock.post_exists.return_value = False
presenter_mock.post_not_exists.side_effect = ObjectDoesNotExist
with self.assertRaises(ObjectDoesNotExist):
response = delete_post.delete_post(post_id)
post_storage_mock.post_exists.assert_called_once_with(post_id)
presenter_mock.post_not_exists.assert_called_once()
def test_delete_post_interactor_with_invalid_post_id_raise_exception(self):
# Arrange
user_id = 1
invalid_post_id = -1
post_storage = create_autospec(PostStorageInterface)
presenter = create_autospec(PresenterInterface)
interactor = DeletePostInteractor(post_storage=post_storage,
presenter=presenter)
post_storage.is_valid_post_id.return_value = False
presenter.raise_invalid_post_id_exception.side_effect = NotFound
# Act
with pytest.raises(NotFound):
interactor.delete_post(user_id=user_id, post_id=invalid_post_id)
def test_delete_post_interactor_interactor_with_valid_details(self):
# Arrange
user_id = 1
post_id = 1
post_storage = create_autospec(PostStorageInterface)
presenter = create_autospec(PresenterInterface)
interactor = DeletePostInteractor(post_storage=post_storage,
presenter=presenter)
# Act
interactor.delete_post(user_id=user_id, post_id=post_id)
# Assert
post_storage.is_valid_post_id.assert_called_once_with(post_id=post_id)
post_storage.delete_post.assert_called_once_with(post_id=post_id)
def test_post_does_not_exists(self):
post_storage_mock = create_autospec(PostStorage)
presenter_mock = create_autospec(JsonPresenter)
post_id = 1
post_storage_mock.post_exists.return_value = False
presenter_mock.raise_post_does_not_exist_exception.side_effect\
= BadRequest
delete_post_interactor = DeletePostInteractor(post_storage_mock,
presenter_mock)
with self.assertRaises(BadRequest):
delete_post_interactor.delete_post(post_id)
post_storage_mock.post_exists.assert_called_once_with(post_id)
def test_delete_post(self):
post_storage_mock = Mock(spec=PostStorage)
presenter_mock = Mock(spec=JsonPresenter)
delete_post = DeletePostInteractor(post_storage_mock, presenter_mock)
post_id = 1
response_data = {"status": "post deleted"}
post_storage_mock.post_exists.return_value = True
post_storage_mock.delete_post.return_value = response_data
presenter_mock.get_delete_post_response.return_value = response_data
response = delete_post.delete_post(post_id)
post_storage_mock.delete_post.assert_called_once_with(post_id)
presenter_mock.get_delete_post_response.assert_called_once_with(
response_data)
assert response == response_data
def test_delete_post_interactor_with_invalid_user_id_to_delete_post_raise_exception(
self):
# Arrange
user_id = 2
post_id = 1
post_storage = create_autospec(PostStorageInterface)
presenter = create_autospec(PresenterInterface)
interactor = DeletePostInteractor(post_storage=post_storage,
presenter=presenter)
post_storage.is_post_created_by_user.return_value = False
presenter.raise_user_cannot_delete_exception.side_effect = \
UserCannotDeleteException #TodDo -done change the exception
# Act
with pytest.raises(UserCannotDeleteException):
interactor.delete_post(user_id=user_id, post_id=post_id)
def test_post_exists(self):
post_storage_mock = create_autospec(PostStorage)
presenter_mock = create_autospec(JsonPresenter)
post_id = 1
response_data = None
post_storage_mock.post_exists.return_value = True
post_storage_mock.delete_post.return_value = response_data
presenter_mock.get_delete_post_response.return_value = response_data
delete_post_interactor = DeletePostInteractor(post_storage_mock,
presenter_mock)
response = delete_post_interactor.delete_post(post_id)
post_storage_mock.post_exists.assert_called_once_with(post_id)
post_storage_mock.delete_post.assert_called_once_with(post_id)
presenter_mock.get_delete_post_response.assert_called_once_with()
assert response == response_data