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Core testing clients for Sanic

Project description

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.

Documentation

Getting Started

pip install sanic-testing

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_testing 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 TestManager instance.

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 TestManager.

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

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