Add test for failing get_api_session

tests/test_search_identities_ex.py

@@ -67,3 +67,22 @@ def test_search_identities_cache_hit_stale(provider, mock_data, freeze_time):
         assert mock_data[data_key] == identities[0][0].data.get(identities_key)
     assert isinstance(identities[0][0], IdentityInfo)
     assert identities[1] == 1
+
+
+@pytest.mark.usefixtures('httpretty_enabled')
+def test_search_identities_cache_hit_broken_sso(mocker, provider, mock_data, freeze_time):
+    get_api_session = mocker.patch('flask_multipass_cern.CERNIdentityProvider._get_api_session')
+    get_api_session.side_effect = RequestException()
+
+    test_uri = f'{provider.settings.get("authz_api")}/api/v1.0/Identity'
+    httpretty.register_uri(httpretty.GET, test_uri, status=401)
+    cache_key = 'flask-multipass-cern:cip:email-identities:test@cern.ch'
+    provider.cache.set(cache_key, ([mock_data], 1), 2000, 10)
+    freeze_time(datetime.now() + timedelta(seconds=100))
+
+    identities = provider.search_identities_ex({'primaryAccountEmail': {'test@cern.ch'}}, True)
+
+    for identities_key, data_key in provider.settings.get('mapping').items():
+        assert mock_data[data_key] == identities[0][0].data.get(identities_key)
+    assert isinstance(identities[0][0], IdentityInfo)
+    assert identities[1] == 1