Sync fastapi docs from b5ca1324 on 2025-12-07

tests/test_response_model_invalid.py

@@ -0,0 +1,45 @@
+from typing import List
+
+import pytest
+from fastapi import FastAPI
+from fastapi.exceptions import FastAPIError
+
+
+class NonPydanticModel:
+    pass
+
+
+def test_invalid_response_model_raises():
+    with pytest.raises(FastAPIError):
+        app = FastAPI()
+
+        @app.get("/", response_model=NonPydanticModel)
+        def read_root():
+            pass  # pragma: nocover
+
+
+def test_invalid_response_model_sub_type_raises():
+    with pytest.raises(FastAPIError):
+        app = FastAPI()
+
+        @app.get("/", response_model=List[NonPydanticModel])
+        def read_root():
+            pass  # pragma: nocover
+
+
+def test_invalid_response_model_in_responses_raises():
+    with pytest.raises(FastAPIError):
+        app = FastAPI()
+
+        @app.get("/", responses={"500": {"model": NonPydanticModel}})
+        def read_root():
+            pass  # pragma: nocover
+
+
+def test_invalid_response_model_sub_type_in_responses_raises():
+    with pytest.raises(FastAPIError):
+        app = FastAPI()
+
+        @app.get("/", responses={"500": {"model": List[NonPydanticModel]}})
+        def read_root():
+            pass  # pragma: nocover