PR argoproj-labs#1168 changed the logic of map_runner_input and _parse to no longer
pass incoming values to json.loads if their annotated type was a union
that included str, rather than only when given a subtype of
`Optional[str]`. Split `origin_type_issubclass` into two functions,
`origin_type_issupertype` (which matches the previous behaviour) and
`origin_type_issubtype`, and use the latter instead to restore the
original behaviour.

Add a runner check which verifies this behaviour.

Signed-off-by: Alice Purcell <[email protected]>

parse_obj_as does not appear to support union types (it is converting
ints to strings).

Signed-off-by: Alice Purcell <[email protected]>

Signed-off-by: Alice Purcell <[email protected]>

If origin_type_issubtype or origin_type_issupertype are passed a special
form annotation, they will raise a TypeError due to passing it into
issubclass. Fix this issue by first checking if the annotation is a
type, and returning False if not.

Unit test this with NoReturn, as we are very unlikely to ever create
a special case for this type in the function.

Signed-off-by: Alice Purcell <[email protected]>

The origin_type_is* functions were accidentally calling get_args on the
original annotation rather than the unwrapped type.

Signed-off-by: Alice Purcell <[email protected]>

Pydantic v1 checks union types in declaration order, returning as soon
as a coercion succeeds; see
https://docs.pydantic.dev/1.10/usage/model_config/#smart-union for more.
Change the test str_or_int_parameter signature from `str | int` to `int
| str` to work with this legacy mode.

Signed-off-by: Alice Purcell <[email protected]>