🔬 🔗 ⏮️ 🔐¶
🔑 🔗 ⏮️ 🔬¶
📤 😐 🌐❔ 👆 💪 💚 🔐 🔗 ⏮️ 🔬.
👆 🚫 💚 ⏮️ 🔗 🏃 (🚫 🙆 🎧-🔗 ⚫️ 💪 ✔️).
↩️, 👆 💚 🚚 🎏 🔗 👈 🔜 ⚙️ 🕴 ⏮️ 💯 (🎲 🕴 🎯 💯), & 🔜 🚚 💲 👈 💪 ⚙️ 🌐❔ 💲 ⏮️ 🔗 ⚙️.
⚙️ 💼: 🔢 🐕🦺¶
🖼 💪 👈 👆 ✔️ 🔢 🤝 🐕🦺 👈 👆 💪 🤙.
👆 📨 ⚫️ 🤝 & ⚫️ 📨 🔓 👩💻.
👉 🐕🦺 5️⃣📆 🔌 👆 📍 📨, & 🤙 ⚫️ 💪 ✊ ➕ 🕰 🌘 🚥 👆 ✔️ 🔧 🎁 👩💻 💯.
👆 🎲 💚 💯 🔢 🐕🦺 🕐, ✋️ 🚫 🎯 🤙 ⚫️ 🔠 💯 👈 🏃.
👉 💼, 👆 💪 🔐 🔗 👈 🤙 👈 🐕🦺, & ⚙️ 🛃 🔗 👈 📨 🎁 👩💻, 🕴 👆 💯.
⚙️ app.dependency_overrides 🔢¶
👫 💼, 👆 FastAPI 🈸 ✔️ 🔢 app.dependency_overrides, ⚫️ 🙅 dict.
🔐 🔗 🔬, 👆 🚮 🔑 ⏮️ 🔗 (🔢), & 💲, 👆 🔗 🔐 (➕1️⃣ 🔢).
& ⤴️ FastAPI 🔜 🤙 👈 🔐 ↩️ ⏮️ 🔗.
from typing import Union
from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
app = FastAPI()
async def common_parameters(
q: Union[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: Union[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},
}
🤓 Other versions and variants
from typing import Annotated
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: Annotated[dict, Depends(common_parameters)]):
return {"message": "Hello Items!", "params": commons}
@app.get("/users/")
async def read_users(commons: Annotated[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},
}
from typing import Annotated, Union
from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
app = FastAPI()
async def common_parameters(
q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
return {"q": q, "skip": skip, "limit": limit}
@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
return {"message": "Hello Items!", "params": commons}
@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):
return {"message": "Hello Users!", "params": commons}
client = TestClient(app)
async def override_dependency(q: Union[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},
}
from typing import Union
from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
from typing_extensions import Annotated
app = FastAPI()
async def common_parameters(
q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
return {"q": q, "skip": skip, "limit": limit}
@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
return {"message": "Hello Items!", "params": commons}
@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):
return {"message": "Hello Users!", "params": commons}
client = TestClient(app)
async def override_dependency(q: Union[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},
}
Tip
Prefer to use the Annotated version if possible.
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},
}
Tip
👆 💪 ⚒ 🔗 🔐 🔗 ⚙️ 🙆 👆 FastAPI 🈸.
⏮️ 🔗 💪 ⚙️ ➡ 🛠️ 🔢, ➡ 🛠️ 👨🎨 (🕐❔ 👆 🚫 ⚙️ 📨 💲), .include_router() 🤙, ♒️.
FastAPI 🔜 💪 🔐 ⚫️.
⤴️ 👆 💪 ⏲ 👆 🔐 (❎ 👫) ⚒ app.dependency_overrides 🛁 dict:
app.dependency_overrides = {}
Tip
🚥 👆 💚 🔐 🔗 🕴 ⏮️ 💯, 👆 💪 ⚒ 🔐 ▶️ 💯 (🔘 💯 🔢) & ⏲ ⚫️ 🔚 (🔚 💯 🔢).