buggy generic interfaces about strawberry HOT 3 OPEN

def test_using_generics_with_union():
    @strawberry.type
    class JsonBlock:
        data: JSON

    @strawberry.type
    class BlockRowType(Generic[GenericType]):
        total: int
        items: List[GenericType]

    @strawberry.type
    class Query:
        @strawberry.field
        def blocks(
            self,
        ) -> List[Union[BlockRowType[int], BlockRowType[str], JsonBlock]]:
            return [
                BlockRowType(total=3, items=["a", "b", "c"]),
                BlockRowType(total=1, items=[1, 2, 3, 4]),
                JsonBlock(data=JSON({"a": 1})),
            ]

    schema = strawberry.Schema(query=Query)

    result = schema.execute_sync("""query {
        blocks {
            __typename
            ... on IntBlockRowType {
                a: items
            }
            ... on StrBlockRowType {
                b: items
            }
            ... on JsonBlock {
                data
            }
        }
    }""")

    assert not result.errors

    assert result.data == {
        "blocks": [
            {"id": "3", "__typename": "StrBlockRowType", "items": ["a", "b", "c"]},
            {"id": "1", "__typename": "IntBlockRowType", "items": [1, 2, 3, 4]},
            {"id": "2", "__typename": "JsonBlock", "data": {"a": 1}},
        ]
    }