learning/katas/python/Common Transforms/Filter/Filter/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_filter():
    placeholders = get_answer_placeholders()
    placeholder = placeholders[0]

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


def test_output():
    output = get_file_output()

    answers = ['2', '4', '6', '8', '10']

    if all(num in output for num in answers):
        passed()
    else:
        failed("Incorrect output. Filter out the odd numbers.")


if __name__ == '__main__':
    test_is_not_empty()
    test_answer_placeholders_text_deleted()
    test_filter()
    test_output()