learning/katas/python/Core Transforms/Map/ParDo/tests.py

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from test_helper import failed, passed, \
    get_answer_placeholders, get_file_output, test_is_not_empty, \
    test_answer_placeholders_text_deleted


def test_dofn_process_method():
    placeholders = get_answer_placeholders()
    placeholder = placeholders[0]

    if 'def process(self, element' in placeholder:
        passed()
    else:
        failed('Override "process" method')


def test_pardo():
    placeholders = get_answer_placeholders()
    placeholder = placeholders[1]

    if 'beam.ParDo(MultiplyByTenDoFn())' in placeholder:
        passed()
    else:
        failed('Use beam.ParDo')


def test_output():
    output = get_file_output()

    answers = ['10', '20', '30', '40', '50']

    if all(num in output for num in answers):
        passed()
    else:
        failed("Incorrect output. Multiply each element by 10.")


if __name__ == '__main__':
    test_is_not_empty()
    test_answer_placeholders_text_deleted()
    test_dofn_process_method()
    test_pardo()
    test_output()