gistfile1.py

@suite.test
def deprecated():
    r1, r2, r3 = Rating(), Rating(), Rating()
    with warnings.catch_warnings(record=True) as w:
        warnings.simplefilter('always', DeprecationWarning)
        transform_ratings([(r1,), (r2,), (r3,)])
        match_quality([(r1,), (r2,), (r3,)])
    assert len(w) == 2
    assert w[0].category is DeprecationWarning
    assert w[-1].category is DeprecationWarning