Core testing clients for Sanic
Sanic Core Test
This package is meant to be the core testing utility and clients for testing Sanic applications. It is mainly derived from
sanic.testing which has (or will be) removed from the main Sanic repository in the future.
pip install sanic-test
The package is meant to create an almost seemless transition. Therefore, after loading the package, it will attach itself to your Sanic instance and insert test clients.
from sanic import Sanic from sanic_test import TestManager sanic_app = Sanic(__name__) TestManager(sanic_app)
This will provide access to both the sync (
sanic.test_client) and async (
sanic.asgi_client) clients. Both of these clients are also available directly on the
Writing a sync test
Testing should be pretty much the same as when the test client was inside Sanic core. The difference is just that you need to run
import pytest @pytest.fixture def app(): sanic_app = Sanic(__name__) TestManager(sanic_app) @sanic_app.get("/") def basic(request): return response.text("foo") return sanic_app def test_basic_test_client(app): request, response = app.test_client.get("/") assert response.body == b"foo" assert response.status == 200
Writing an async test
Testing of an async method is best done with
pytest-asyncio installed. Again, the following test should look familiar to anyone that has used
asgi_client in the Sanic core package before.
The main benefit of using the
asgi_client is that it is able to reach inside your application, and execute your handlers without ever having to stand up a server or make a network call.
import pytest @pytest.fixture def app(): sanic_app = Sanic(__name__) TestManager(sanic_app) @sanic_app.get("/") def basic(request): return response.text("foo") return sanic_app @pytest.mark.asyncio async def test_basic_asgi_client(app): request, response = await app.asgi_client.get("/") assert response.body == b"foo" assert response.status == 200
- Create convenience decorators to inject
- Add more testing from Sanic core to make sure test clients are robust
- Add ability for reusable servers in sync testing instead of destroying them on every call
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