test_app_v5.py

class AppClient:
    def __init__(self, app_addr):
        self._app_addr = app_addr

    def request(self, method, path):
        return requests.request(method, f"{self._app_addr}{path}")


@pytest.fixture(scope="function")
def app_client(app):
    return AppClient(app.listen_addr)


@pytest.mark.parametrize("method", ["GET", "PUT", "POST"])
def test_app(app_client, method):
    """Test making an HTTP request to my app."""
    rsp = app_client.request(method, "/hello")
    assert rsp.status_code == 200
    assert rsp.text == 'Hello, "/hello"'