https://semaphoreci.com/community/tutorials/building-and-testing-an-api-wrapper-in-python https://www.reddit.com/r/Python/comments/1jgb8l/unit_testing_a_rest_api_wrapper/
fixture - https://docs.pytest.org/en/latest/fixture.html molotov - https://github.com/loads/molotov pyfakefs (genera ficheros ficticios) - https://github.com/jmcgeheeiv/pyfakefs