test_auth.py

                as mock_get_subject_id,\
                mock.patch("djangosaml2.views.logout") as mock_saml2_logout:
            mock_get_subject_id.return_value = None
            with self.temporarily_switch_to_user(self.test_user):
                resp = self.get_sign_out()
                self.assertEqual(resp.status_code, 302)
                self.assertSessionHasNoUserLoggedIn()
            self.assertEqual(mock_saml2_logout.call_count, 0)

    @override_settings(RELATE_SIGN_IN_BY_SAML2_ENABLED=True)
    def test_sign_out_with_saml2_enabled_with_subject_id(self):
        self.c.force_login(self.test_user)
        with mock.patch("djangosaml2.views._get_subject_id")\
                as mock_get_subject_id,\
                mock.patch("djangosaml2.views.logout") as mock_saml2_logout:
            mock_get_subject_id.return_value = "some_id"
            mock_saml2_logout.return_value = HttpResponse()
            resp = self.get_sign_out()
            self.assertEqual(resp.status_code, 200)
            self.assertEqual(mock_saml2_logout.call_count, 1)

    @mock.patch("course.auth.messages.add_message")
    def test_sign_out_confirmation_anonymous(self, mock_add_msg):
        with self.temporarily_switch_to_user(None):
            expected_msg = "You've already signed out."
            resp = self.get_sign_out_confirmation(follow=False)
            self.assertEqual(resp.status_code, 302)
            self.assertRedirects(resp, reverse("relate-home"),
                                 fetch_redirect_response=False)
            self.assertSessionHasNoUserLoggedIn()
            self.assertIn(expected_msg, mock_add_msg.call_args[0])

    @override_settings(RELATE_SIGN_IN_BY_SAML2_ENABLED=True)
    def test_sign_out_confirmation(self):
        with self.temporarily_switch_to_user(self.test_user):
            resp = self.get_sign_out_confirmation(follow=False)
            self.assertEqual(resp.status_code, 200)

    @override_settings(RELATE_SIGN_IN_BY_SAML2_ENABLED=True)
    def test_sign_out_confirmation_with_redirect_to(self):
        with self.temporarily_switch_to_user(self.test_user):
            redirect_to = "/some_where/"
            resp = self.get_sign_out_confirmation(
                redirect_to=redirect_to, follow=False)
            self.assertEqual(resp.status_code, 200)
            self.assertIn(
                self.concatenate_redirect_url(
                    self.get_sign_out_view_url(), redirect_to
                ),
                resp.content.decode())