tests: added tests to verify dependencies scope handling when defined in APIRouter

tests/test_dependency_yield_scope_api_router.py

@@ -0,0 +1,78 @@
+from typing import Any
+
+from fastapi import APIRouter, Depends, FastAPI, HTTPException
+from fastapi.testclient import TestClient
+
+
+def broken_dependency() -> Any:
+    yield "s"
+    raise RuntimeError("Caught exception after yield")
+
+
+def caught_dependency() -> Any:
+    yield "s"
+    raise HTTPException(status_code=503, detail="Something went wrong")
+
+
+app = FastAPI()
+
+r_caught_function = APIRouter(
+    prefix="/scope/function/caught",
+    dependencies=[Depends(caught_dependency, scope="function")],
+)
+r_broken_function = APIRouter(
+    prefix="/scope/function/broken",
+    dependencies=[Depends(broken_dependency, scope="function")],
+)
+
+r_caught_request = APIRouter(
+    prefix="/scope/request/caught",
+    dependencies=[Depends(caught_dependency, scope="request")],
+)
+r_broken_request = APIRouter(
+    prefix="/scope/request/broken",
+    dependencies=[Depends(broken_dependency, scope="request")],
+)
+
+
+@r_caught_function.get("/orders")
+@r_broken_function.get("/orders")
+@r_caught_request.get("/orders")
+@r_broken_request.get("/orders")
+def get_orders() -> Any:
+    return {"message": "Maybe not here!"}
+
+
+app.include_router(r_caught_function)
+app.include_router(r_broken_function)
+
+app.include_router(r_caught_request)
+app.include_router(r_broken_request)
+
+
+def test_caught_dependency_scope_function():
+    with TestClient(app, raise_server_exceptions=False) as client:
+        response = client.get("/scope/function/caught/orders")
+        assert response.status_code == 503
+        assert response.json() == {"detail": "Something went wrong"}
+
+
+def test_broken_dependency_scope_function():
+    with TestClient(app, raise_server_exceptions=False) as client:
+        response = client.get("/scope/function/broken/orders")
+        assert response.status_code == 500
+        assert response.content == b"Internal Server Error"
+
+
+def test_caught_dependency_scope_request():
+    with TestClient(app, raise_server_exceptions=False) as client:
+        response = client.get("/scope/request/caught/orders")
+        assert response.status_code == 200
+        assert response.json() == {"message": "Maybe not here!"}
+
+
+def test_broken_dependency_scope_request():
+    with TestClient(app, raise_server_exceptions=False) as client:
+        response = client.get("/scope/request/broken/orders")
+        assert response.status_code == 200
+        assert response.json() == {"message": "Maybe not here!"}