learning/katas/python/Core Transforms/Flatten/Flatten/tests.py

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from test_helper import run_common_tests, failed, passed, get_answer_placeholders, get_file_output


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

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


def test_output():
    output = get_file_output()

    answers = ['ball', 'book', 'bow', 'apple', 'ant', 'arrow']

    if all(num in output for num in answers):
        passed()
    else:
        failed("Incorrect output. Flatten both PCollection into one.")


if __name__ == '__main__':
    run_common_tests()
    test_flatten()
    test_output()