def test_get_current_user_email(self):
        self.login(self.OWNER_EMAIL)
        email = gae_current_user_services.get_current_user_email()
        self.assertEqual(email, self.OWNER_EMAIL)
        self.logout()

        email = gae_current_user_services.get_current_user_email()
        self.assertEqual(email, None)
    def test_get_current_user_email(self):
        self.assertIsNone(gae_current_user_services.get_current_user_email())

        with self.login_context(self.OWNER_EMAIL):
            self.assertEqual(
                gae_current_user_services.get_current_user_email(),
                self.OWNER_EMAIL)

        self.assertIsNone(gae_current_user_services.get_current_user_email())