testing.py 文件源码

def test_test_client_context_binding(self):
        app = flask.Flask(__name__)
        @app.route('/')
        def index():
            flask.g.value = 42
            return 'Hello World!'

        @app.route('/other')
        def other():
            1 // 0

        with app.test_client() as c:
            resp = c.get('/')
            self.assert_equal(flask.g.value, 42)
            self.assert_equal(resp.data, b'Hello World!')
            self.assert_equal(resp.status_code, 200)

            resp = c.get('/other')
            self.assert_false(hasattr(flask.g, 'value'))
            self.assert_in(b'Internal Server Error', resp.data)
            self.assert_equal(resp.status_code, 500)
            flask.g.value = 23

        try:
            flask.g.value
        except (AttributeError, RuntimeError):
            pass
        else:
            raise AssertionError('some kind of exception expected')