def test_request_with_valid_params_calls_repo_with_filt(books):
mock_repo = mock.Mock()
mock_repo.list.return_value = books
use_case = uc.BookListUseCase(mock_repo)
filters = {'title__eq': 'Moby Dick'}
request = req.BookListRequest.from_dict({'filters': filters})
response = use_case.execute(request)
assert bool(response) is True
mock_repo.list.assert_called_with(filters=filters)
def test_book_list_uc_bools_to_false_with_invalid_req(books):
mock_repo = mock.Mock()
mock_repo.list.return_value = books
use_case = uc.BookListUseCase(mock_repo)
filters = {'bad_request': 'Moby Dick'}
request = req.BookListRequest.from_dict({'filters': filters})
response = use_case.execute(request)
assert bool(request) is False
assert bool(response) is False
def test_book_list_uc_executes_with_empty_request(books):
mock_repo = mock.Mock()
mock_repo.list.return_value = books
use_case = uc.BookListUseCase(mock_repo)
request = req.BookListRequest()
response = use_case.execute(request)
assert response.value == books
assert bool(response) is True
mock_repo.list.assert_called_with(filters=None)
def test_use_case_catches_generic_error(books):
mock_repo = mock.Mock()
mock_repo.list.side_effect = Exception('generic exception')
use_case = uc.BookListUseCase(mock_repo)
filters = {'title__eq': 'Moby Dick'}
request = req.BookListRequest.from_dict({'filters': filters})
response = use_case.execute(request)
assert bool(response) is False
assert response.type == res.ResponseFailure.SYSTEM_ERROR
assert response.message == 'Exception: generic exception'
def book():
query_string = {'filters': {}}
for arg, values in request.args.items():
query_string['filters'][arg.replace('filter_', '')] = values
request_object = req.BookListRequest.from_dict(query_string)
repo = mr.MemRepo(book_list)
use_case = uc.BookListUseCase(repo)
response_object = use_case.execute(request_object)
return Response(json.dumps(response_object.value, cls=ser.BookJsonEncoder),
mimetype='application/json',
status=STATUS_CODES[response_object.type])
def test_book_list_uc_initiates(books):
mock_repo = mock.Mock()
mock_repo.list.return_value = books
use_case = uc.BookListUseCase(mock_repo)
assert use_case.repo == mock_repo