tests/test_dependency_cache.py · 飞扬在线/FastAPI

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FastAPI

tests

test_dependency_cache.py

test_dependency_cache.py 2.72 KB

from fastapi import Depends, FastAPI, Security
from fastapi.testclient import TestClient

app = FastAPI()

counter_holder = {"counter": 0}

async def dep_counter():
 counter_holder["counter"] += 1
 return counter_holder["counter"]

async def super_dep(count: int = Depends(dep_counter)):
 return count

@app.get("/counter/")
async def get_counter(count: int = Depends(dep_counter)):
 return {"counter": count}

@app.get("/sub-counter/")
async def get_sub_counter(
 subcount: int = Depends(super_dep), count: int = Depends(dep_counter)
):
 return {"counter": count, "subcounter": subcount}

@app.get("/sub-counter-no-cache/")
async def get_sub_counter_no_cache(
 subcount: int = Depends(super_dep),
 count: int = Depends(dep_counter, use_cache=False),
):
 return {"counter": count, "subcounter": subcount}

@app.get("/scope-counter")
async def get_scope_counter(
 count: int = Security(dep_counter),
 scope_count_1: int = Security(dep_counter, scopes=["scope"]),
 scope_count_2: int = Security(dep_counter, scopes=["scope"]),
):
 return {
 "counter": count,
 "scope_counter_1": scope_count_1,
 "scope_counter_2": scope_count_2,
 }

client = TestClient(app)

def test_normal_counter():
 counter_holder["counter"] = 0
 response = client.get("/counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1}
 response = client.get("/counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2}

def test_sub_counter():
 counter_holder["counter"] = 0
 response = client.get("/sub-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1, "subcounter": 1}
 response = client.get("/sub-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2, "subcounter": 2}

def test_sub_counter_no_cache():
 counter_holder["counter"] = 0
 response = client.get("/sub-counter-no-cache/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2, "subcounter": 1}
 response = client.get("/sub-counter-no-cache/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 4, "subcounter": 3}

def test_security_cache():
 counter_holder["counter"] = 0
 response = client.get("/scope-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1, "scope_counter_1": 2, "scope_counter_2": 2}
 response = client.get("/scope-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 3, "scope_counter_1": 4, "scope_counter_2": 4}

一键复制编辑原始数据按行查看历史

laggardkernel 提交于 2022年08月23日 21:30 +08:00 . 🐛 Fix cached dependencies when using a dependency in Security() and ...

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from fastapi import Depends, FastAPI, Security
from fastapi.testclient import TestClient

app = FastAPI()

counter_holder = {"counter": 0}


async def dep_counter():
 counter_holder["counter"] += 1
 return counter_holder["counter"]


async def super_dep(count: int = Depends(dep_counter)):
 return count


@app.get("/counter/")
async def get_counter(count: int = Depends(dep_counter)):
 return {"counter": count}


@app.get("/sub-counter/")
async def get_sub_counter(
 subcount: int = Depends(super_dep), count: int = Depends(dep_counter)
):
 return {"counter": count, "subcounter": subcount}


@app.get("/sub-counter-no-cache/")
async def get_sub_counter_no_cache(
 subcount: int = Depends(super_dep),
 count: int = Depends(dep_counter, use_cache=False),
):
 return {"counter": count, "subcounter": subcount}


@app.get("/scope-counter")
async def get_scope_counter(
 count: int = Security(dep_counter),
 scope_count_1: int = Security(dep_counter, scopes=["scope"]),
 scope_count_2: int = Security(dep_counter, scopes=["scope"]),
):
 return {
 "counter": count,
 "scope_counter_1": scope_count_1,
 "scope_counter_2": scope_count_2,
 }


client = TestClient(app)


def test_normal_counter():
 counter_holder["counter"] = 0
 response = client.get("/counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1}
 response = client.get("/counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2}


def test_sub_counter():
 counter_holder["counter"] = 0
 response = client.get("/sub-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1, "subcounter": 1}
 response = client.get("/sub-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2, "subcounter": 2}


def test_sub_counter_no_cache():
 counter_holder["counter"] = 0
 response = client.get("/sub-counter-no-cache/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 2, "subcounter": 1}
 response = client.get("/sub-counter-no-cache/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 4, "subcounter": 3}


def test_security_cache():
 counter_holder["counter"] = 0
 response = client.get("/scope-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 1, "scope_counter_1": 2, "scope_counter_2": 2}
 response = client.get("/scope-counter/")
 assert response.status_code == 200, response.text
 assert response.json() == {"counter": 3, "scope_counter_1": 4, "scope_counter_2": 4}