Function test_missing_yaml_library

tests/unit/serializers/test_codecs.py:48–58

()

def test_missing_yaml_library() -> None:
    msg = "Missing yaml: pip install PyYAML"

    with patch("faust.serializers.codecs._yaml", None):
        with pytest.raises(ImproperlyConfigured):
            loads("yaml", dumps("yaml", DATA))
            pytest.fail(msg)

        with pytest.raises(ImproperlyConfigured):
            get_codec("yaml").loads(b"")
            pytest.fail(msg)


@given(binary())