Function test_init_once

tests/test_views.py:245–260

(app, client)

def test_init_once(app, client):
    n = 0

    class CountInit(flask.views.View):
        init_every_request = False

        def __init__(self):
            nonlocal n
            n += 1

        def dispatch_request(self):
            return str(n)

    app.add_url_rule("/", view_func=CountInit.as_view("index"))
    assert client.get("/").data == b"1"
    assert client.get("/").data == b"1"