Method test_wrapped_annotation

tests/test_converters.py:278–299

The return type of the wrapped converter is copied into its __call__ and ultimately into pipe's wrapped converter.

(self)

        assert o is pipe()(o)

    def test_wrapped_annotation(self):
        """
        The return type of the wrapped converter is copied into its __call__
        and ultimately into pipe's wrapped converter.
        """

        def last(value) -> bool:
            return bool(value)

        @attr.s
        class C:
            x = attr.ib(converter=[Converter(int), Converter(last)])

        i = C(5)

        assert True is i.x
        assert (
            bool
            is _AnnotationExtractor(
                attr.fields(C).x.converter.__call__
            ).get_return_type()
        )


class TestOptionalPipe: