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from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
app = FastAPI()
async def common_parameters(q: str | None = None, skip: int = 0, limit: int = 100):
return {"q": q, "skip": skip, "limit": limit}
@app.get("/items/")
async def read_items(commons: dict = Depends(common_parameters)):
return {"message": "Hello Items!", "params": commons}
@app.get("/users/")
async def read_users(commons: dict = Depends(common_parameters)):
return {"message": "Hello Users!", "params": commons}
client = TestClient(app)
async def override_dependency(q: str | None = None):
return {"q": q, "skip": 5, "limit": 10}
app.dependency_overrides[common_parameters] = override_dependency
def test_override_in_items():
response = client.get("/items/")
assert response.status_code == 200
assert response.json() == {
"message": "Hello Items!",
"params": {"q": None, "skip": 5, "limit": 10},
}
def test_override_in_items_with_q():
response = client.get("/items/?q=foo")
assert response.status_code == 200
assert response.json() == {
"message": "Hello Items!",
"params": {"q": "foo", "skip": 5, "limit": 10},
}
def test_override_in_items_with_params():
response = client.get("/items/?q=foo&skip=100&limit=200")
assert response.status_code == 200
assert response.json() == {
"message": "Hello Items!",
"params": {"q": "foo", "skip": 5, "limit": 10},
}
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