Files
fastapi-cache/tests/test_decorator.py
Martijn Pieters 23bb4e9cd4 Add pytest-style linting (#159)
This does mean we need to tell pyright that the init_cache auto-use
fixture is still being used even though it now has a leading underscore.
2023-05-16 12:45:26 +00:00

115 lines
4.4 KiB
Python

import time
from typing import Any, Generator
import pendulum
import pytest
from starlette.testclient import TestClient
from examples.in_memory.main import app
from fastapi_cache import FastAPICache
from fastapi_cache.backends.inmemory import InMemoryBackend
@pytest.fixture(autouse=True)
def _init_cache() -> Generator[Any, Any, None]: # pyright: ignore[reportUnusedFunction]
FastAPICache.init(InMemoryBackend())
yield
FastAPICache.reset()
def test_datetime() -> None:
with TestClient(app) as client:
response = client.get("/datetime")
assert response.headers.get("X-FastAPI-Cache") == "MISS"
now = response.json().get("now")
now_ = pendulum.now().replace(microsecond=0) # type: ignore[no-untyped-call]
assert pendulum.parse(now).replace(microsecond=0) == now_ # type: ignore[attr-defined]
response = client.get("/datetime")
assert response.headers.get("X-FastAPI-Cache") == "HIT"
now = response.json().get("now")
assert pendulum.parse(now).replace(microsecond=0) == now_ # type: ignore[attr-defined]
time.sleep(3)
response = client.get("/datetime")
now = response.json().get("now")
assert response.headers.get("X-FastAPI-Cache") == "MISS"
now = pendulum.parse(now).replace(microsecond=0) # type: ignore[attr-defined]
assert now != now_
assert now == pendulum.now().replace(microsecond=0) # type: ignore[no-untyped-call]
def test_date() -> None:
"""Test path function without request or response arguments."""
with TestClient(app) as client:
response = client.get("/date")
assert response.headers.get("X-FastAPI-Cache") == "MISS"
assert pendulum.parse(response.json()) == pendulum.today() # type: ignore[attr-defined]
# do it again to test cache
response = client.get("/date")
assert response.headers.get("X-FastAPI-Cache") == "HIT"
assert pendulum.parse(response.json()) == pendulum.today() # type: ignore[attr-defined]
# now test with cache disabled, as that's a separate code path
FastAPICache._enable = False # pyright: ignore[reportPrivateUsage]
response = client.get("/date")
assert "X-FastAPI-Cache" not in response.headers
assert pendulum.parse(response.json()) == pendulum.today() # type: ignore[attr-defined]
FastAPICache._enable = True # pyright: ignore[reportPrivateUsage]
def test_sync() -> None:
"""Ensure that sync function support works."""
with TestClient(app) as client:
response = client.get("/sync-me")
assert response.json() == 42
def test_cache_response_obj() -> None:
with TestClient(app) as client:
cache_response = client.get("cache_response_obj")
assert cache_response.json() == {"a": 1}
get_cache_response = client.get("cache_response_obj")
assert get_cache_response.json() == {"a": 1}
assert get_cache_response.headers.get("cache-control")
assert get_cache_response.headers.get("etag")
def test_kwargs() -> None:
with TestClient(app) as client:
name = "Jon"
response = client.get("/kwargs", params={"name": name})
assert "X-FastAPI-Cache" not in response.headers
assert response.json() == {"name": name}
def test_method() -> None:
with TestClient(app) as client:
response = client.get("/method")
assert response.json() == 17
def test_pydantic_model() -> None:
with TestClient(app) as client:
r1 = client.get("/pydantic_instance")
assert r1.headers.get("X-FastAPI-Cache") == "MISS"
r2 = client.get("/pydantic_instance")
assert r2.headers.get("X-FastAPI-Cache") == "HIT"
assert r1.json() == r2.json()
def test_non_get() -> None:
with TestClient(app) as client:
response = client.put("/uncached_put")
assert "X-FastAPI-Cache" not in response.headers
assert response.json() == {"value": 1}
response = client.put("/uncached_put")
assert "X-FastAPI-Cache" not in response.headers
assert response.json() == {"value": 2}
def test_alternate_injected_namespace() -> None:
with TestClient(app) as client:
response = client.get("/namespaced_injection")
assert response.headers.get("X-FastAPI-Cache") == "MISS"
assert response.json() == {"__fastapi_cache_request": 42, "__fastapi_cache_response": 17}