1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
from functools import wraps
from typing import Union
import pytest
from graphql import graphql_sync
from graphql.utilities import print_schema
from apischema import Undefined, UndefinedType, Unsupported
from apischema.graphql import graphql_schema
from apischema.typing import Annotated
class Foo:
pass
@pytest.mark.parametrize(
"tp, default",
[
(Union[UndefinedType, int], Undefined),
(Union[int, Annotated[Foo, Unsupported]], Foo()),
],
)
def test_resolver_default_parameter_not_serializable(tp, default):
def resolver(arg=default) -> bool:
return arg is default
resolver.__annotations__["arg"] = tp
# wraps in order to trigger the bug of get_type_hints with None default value
resolver2 = wraps(resolver)(lambda arg=default: resolver(arg))
schema = graphql_schema(query=[resolver2])
assert (
print_schema(schema)
== """\
type Query {
resolver(arg: Int): Boolean!
}"""
)
assert (
graphql_sync(schema, "{resolver}").data
== graphql_sync(schema, "{resolver(arg: null)}").data
== {"resolver": True}
)
|
