Add tests for pepe695 compatibility

tests/test_dependency_pep695.py

@@ -0,0 +1,28 @@
+from __future__ import annotations
+
+from typing import Annotated
+
+from fastapi import Depends, FastAPI
+from fastapi.testclient import TestClient
+from .utils import needs_py312
+
+
+async def some_value() -> int:
+    return 123
+
+
+type DependedValue = Annotated[int, Depends(some_value)]
+
+
+@needs_py312
+def test_pep695_type_dependencies():
+    app = FastAPI()
+
+    @app.get("/")
+    async def get_with_dep(value: DependedValue) -> str:
+        return f"value: {value}"
+
+    client = TestClient(app)
+    response = client.get("/")
+    assert response.status_code == 200
+    assert response.text == '"value: 123"'

tests/utils.py

@@ -7,5 +7,8 @@ needs_py39 = pytest.mark.skipif(sys.version_info < (3, 9), reason="requires pyth
 needs_py310 = pytest.mark.skipif(
     sys.version_info < (3, 10), reason="requires python3.10+"
 )
+needs_py312 = pytest.mark.skipif(
+    sys.version_info < (3, 12), reason="requires python3.12+"
+)
 needs_pydanticv2 = pytest.mark.skipif(not PYDANTIC_V2, reason="requires Pydantic v2")
 needs_pydanticv1 = pytest.mark.skipif(PYDANTIC_V2, reason="requires Pydantic v1")