Add tests for config

lib/cloudregister/registerutils.py

@@ -524,7 +524,6 @@ def set_registry_config(registry_fqdn, username, password):
             os.path.expanduser('~'), DOCKER_REGISTRY_CREDENTIALS_PATH
         ),
         os.path.join(os.sep, 'root', DOCKER_REGISTRY_CREDENTIALS_PATH),
-        os.getenv('XDG_RUNTIME_DIR')  # podman path
     ]
     for cfg_path in registry_credentials_paths:
         set_registry_credentials(registry_fqdn, username, password, cfg_path)

tests/test_registerutils.py

@@ -3149,6 +3149,32 @@ def open_file(filename, mode):
         ]
 
 
+@patch('cloudregister.registerutils.os.path.expanduser')
+@patch('cloudregister.registerutils.set_registry_order_search')
+@patch('cloudregister.registerutils.set_registry_credentials')
+def test_set_registry_config(
+    mock_set_registry_cred, mock_set_registry_search, mock_os_path_expanduser
+):
+    mock_os_path_expanduser.return_value = 'regular_path'
+    utils.set_registry_config('registry_fqdn', 'username', 'pass')
+    assert mock_set_registry_cred.call_args_list == [
+        call(
+            'registry_fqdn',
+            'username',
+            'pass',
+            'regular_path/.docker/config.json'
+        ),
+        call(
+            'registry_fqdn',
+            'username',
+            'pass',
+            '/root/.docker/config.json'
+        )
+
+    ]
+    mock_set_registry_search.assert_called_once_with('registry_fqdn')
+
+
 @patch('cloudregister.registerutils._set_registry_order_search_docker')
 @patch('cloudregister.registerutils._set_registry_order_search_podman')
 def test_set_registry_order_search(mock_podman_order, mock_docker_order):