diff --git a/datasources/connectors/base.py b/datasources/connectors/base.py
index 944551817f6257b39fae544298b781833e3c53d5..9ce115877702be2cacf0ee82f654472a61718e6a 100644
--- a/datasources/connectors/base.py
+++ b/datasources/connectors/base.py
@@ -100,6 +100,7 @@ class BaseDataConnector(metaclass=plugin.Plugin):
     def request_count(self):
         return self._request_counter.count()
 
+    # TODO make normal method
     @staticmethod
     def determine_auth_method(url: str, api_key: str) -> AuthMethod:
         """
diff --git a/datasources/tests/test_connectors.py b/datasources/tests/test_connectors.py
index 8527559159265b2990a24ed6ad2120a6b88a9110..00296f0dfcb401edd16d66fa107b6e3654e44dda 100644
--- a/datasources/tests/test_connectors.py
+++ b/datasources/tests/test_connectors.py
@@ -1,6 +1,6 @@
 from django.test import TestCase
 
-from datasources.connectors.base import BaseDataConnector
+from datasources.connectors.base import AuthMethod, BaseDataConnector
 
 
 class ConnectorPluginTest(TestCase):
@@ -86,6 +86,13 @@ class ConnectorIoTUKTest(TestCase):
         self.assertIn('data', result)
         self.assertGreater(len(result['data']), 0)
 
+    def test_determine_auth(self):
+        connection = self._get_connection()
+
+        auth_method = connection.determine_auth_method(connection.location, connection.api_key)
+
+        self.assertEqual(AuthMethod.NONE, auth_method)
+
 
 class ConnectorRestApiTest(TestCase):
     url = 'https://api.iotuk.org.uk/'
diff --git a/datasources/tests/test_connectors_hypercat.py b/datasources/tests/test_connectors_hypercat.py
index a34bff6a05a8caaa7aeb4464f9f0cea4132332c7..86dfae35ffbe7c194aeff1b93426587df8bae117 100644
--- a/datasources/tests/test_connectors_hypercat.py
+++ b/datasources/tests/test_connectors_hypercat.py
@@ -4,7 +4,7 @@ import typing
 from django.test import TestCase
 from requests.auth import HTTPBasicAuth
 
-from datasources.connectors.base import BaseDataConnector, HttpHeaderAuth
+from datasources.connectors.base import AuthMethod, BaseDataConnector, HttpHeaderAuth
 
 
 def _get_item_by_key_value(collection: typing.Iterable[typing.Mapping],
@@ -181,6 +181,7 @@ class ConnectorHyperCatTest(TestCase):
 
 
 class ConnectorHyperCatCiscoTest(TestCase):
+    # TODO find working dataset
     url = 'https://api.cityverve.org.uk/v1/cat'
     subcatalogue = 'https://api.cityverve.org.uk/v1/cat/polling-station'
     dataset = 'https://api.cityverve.org.uk/v1/entity/polling-station/5'
@@ -212,6 +213,13 @@ class ConnectorHyperCatCiscoTest(TestCase):
 
         self.assertTrue(connection.is_catalogue)
 
+    def test_determine_auth(self):
+        connection = self._get_connection()
+
+        auth_method = connection.determine_auth_method(connection.location, connection.api_key)
+
+        self.assertEqual(AuthMethod.HEADER, auth_method)
+
     def test_plugin_get_catalogue_metadata(self):
         connection = self._get_connection()