def test_get_topic_by_id__http_error_code__raises_api_error(error_code):
    response = Mock()
    response.status_code = error_code

    request_handler = Mock()
    request_handler.get = Mock(return_value=response)

    client = SubscriptionManagerClient(request_handler=request_handler)

    with pytest.raises(APIError):
        client.get_topic_by_id(1)
def test_get_topic_by_id__list_of_topics_is_returned():
    topic_dict, expected_topic = make_topic()

    response = Mock()
    response.status_code = 200
    response.content = topic_dict
    response.json = Mock(return_value=topic_dict)

    request_handler = Mock()
    request_handler.get = Mock(return_value=response)

    client = SubscriptionManagerClient(request_handler=request_handler)

    topic = client.get_topic_by_id(1)

    assert expected_topic == topic

    called_url = request_handler.get.call_args[0][0]
    assert BASE_URL + 'topics/1' == called_url