Fix strict application to function-after with use_enum_values (#…

…9279)

pydantic/_internal/_known_annotated_metadata.py

@@ -195,6 +195,12 @@ def apply_known_metadata(annotation: Any, schema: CoreSchema) -> CoreSchema | No
             raise ValueError(f'Unknown constraint {constraint}')
         allowed_schemas = CONSTRAINTS_TO_ALLOWED_SCHEMAS[constraint]
 
+        # if it becomes necessary to handle more than one constraint
+        # in this recursive case with function-after or function-wrap, we should refactor
+        if schema_type in {'function-before', 'function-wrap', 'function-after'} and constraint == 'strict':
+            schema['schema'] = apply_known_metadata(annotation, schema['schema'])  # type: ignore  # schema is function-after schema
+            return schema
+
         if schema_type in allowed_schemas:
             if constraint == 'union_mode' and schema_type == 'union':
                 schema['mode'] = value  # type: ignore  # schema is UnionSchema

tests/test_types.py

@@ -6658,3 +6658,19 @@ def test_can_serialize_deque_passed_to_sequence() -> None:
 
     assert ta.dump_python(my_dec) == my_dec
     assert ta.dump_json(my_dec) == b'[1,2,3]'
+
+
+def test_strict_enum_with_use_enum_values() -> None:
+    class SomeEnum(int, Enum):
+        SOME_KEY = 1
+
+    class Foo(BaseModel):
+        model_config = ConfigDict(strict=False, use_enum_values=True)
+        foo: Annotated[SomeEnum, Strict(strict=True)]
+
+    f = Foo(foo=SomeEnum.SOME_KEY)
+    assert f.foo == 1
+
+    # validation error raised bc foo field uses strict mode
+    with pytest.raises(ValidationError):
+        Foo(foo='1')