Function test_tuples

testing/python/raises_group.py:1333–1352

()

def test_tuples() -> None:
    # raises has historically supported one of several exceptions being raised
    with pytest.raises((ValueError, IndexError)):
        raise ValueError
    # so now RaisesExc also does
    with RaisesExc((ValueError, IndexError)):
        raise IndexError
    # but RaisesGroup currently doesn't. There's an argument it shouldn't because
    # it can be confusing - RaisesGroup((ValueError, TypeError)) looks a lot like
    # RaisesGroup(ValueError, TypeError), and the former might be interpreted as the latter.
    with pytest.raises(
        TypeError,
        match=wrap_escape(
            "Expected a BaseException type, RaisesExc, or RaisesGroup, but got 'tuple'.\n"
            "RaisesGroup does not support tuples of exception types when expecting one of "
            "several possible exception types like RaisesExc.\n"
            "If you meant to expect a group with multiple exceptions, list them as separate arguments."
        ),
    ):
        RaisesGroup((ValueError, IndexError))  # type: ignore[call-overload]


def test_expected_matching_only_on_matching() -> None: