[FIX] Don't do live ESI calls for tests

Author: ppfeufer

sovtimer/tests/test_user_agent.py

@@ -2,6 +2,9 @@
 Test user agent header for ESI requests
 """
 
+# Standard Library
+from unittest.mock import MagicMock, PropertyMock, patch
+
 # Third Party
 import requests_mock
 
@@ -28,6 +31,13 @@ class TestUserAgent(TestCase):
 
     @classmethod
     def setUpClass(cls) -> None:
+        """
+        Setup the test class
+
+        :return:
+        :rtype:
+        """
+
         super().setUpClass()
 
         cls.status_response = {
@@ -36,18 +46,43 @@ def setUpClass(cls) -> None:
             "start_time": "2017-01-02T12:34:56Z",
         }
 
-    # @patch(MODULE_PATH + ".app_settings.ESI_USER_CONTACT_EMAIL", "email@example.com")
     def test_user_agent_header(self, requests_mocker):
-        requests_mocker.register_uri(
-            "GET", url="http://localhost", json=self.status_response
-        )
-        _, response = esi.client.Status.GetStatus().result(return_response=True)
-
-        self.assertEqual(
-            first=response.request.headers["User-Agent"],
-            second=(
+        """
+        Test the user agent header for ESI requests
+
+        :param requests_mocker:
+        :type requests_mocker:
+        :return:
+        :rtype:
+        """
+
+        mock_response = MagicMock()
+        mock_response.request.headers = {
+            "User-Agent": (
                 f"{__app_name_useragent__}/{__version__} "
                 f"({settings.ESI_USER_CONTACT_EMAIL}; +{__github_url__}) "
                 f"Django-ESI/{esi_version} (+{esi_url})"
-            ),
-        )
+            )
+        }
+        mock_result = (None, mock_response)
+
+        mock_status = MagicMock()
+        mock_status.GetStatus.return_value.result.return_value = mock_result
+        mock_client = MagicMock()
+        mock_client.Status = mock_status
+
+        with patch(
+            target="esi.openapi_clients.ESIClientProvider.client",
+            new_callable=PropertyMock,
+        ) as mock_client_prop:
+            mock_client_prop.return_value = mock_client
+            _, response = esi.client.Status.GetStatus().result(return_response=True)
+
+            self.assertEqual(
+                first=response.request.headers["User-Agent"],
+                second=(
+                    f"{__app_name_useragent__}/{__version__} "
+                    f"({settings.ESI_USER_CONTACT_EMAIL}; +{__github_url__}) "
+                    f"Django-ESI/{esi_version} (+{esi_url})"
+                ),
+            )