Add unit tests for cloud class

Author: Alex-Welsh

capi_janitor/tests/openstack/test_openstack.py

@@ -0,0 +1,131 @@
+import unittest
+from unittest.mock import AsyncMock, MagicMock, patch
+from capi_janitor.openstack.openstack import Cloud, Client, AuthenticationError
+
+
+class TestCloudAenter(unittest.IsolatedAsyncioTestCase):
+    async def asyncSetUp(self):
+        self.auth = MagicMock()
+        self.transport = AsyncMock()
+        self.interface = "public"
+        self.region = "region1"
+        self.cloud = Cloud(self.auth, self.transport, self.interface, self.region)
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_successful_authentication(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.return_value.json = MagicMock(
+            return_value={
+                "catalog": [
+                    {
+                        "type": "compute",
+                        "endpoints": [
+                            {
+                                "interface": "public",
+                                "region_id": "region1",
+                                "url": "https://compute.example.com",
+                            }
+                        ],
+                    }
+                ]
+            }
+        )
+        mock_client_instance._base_url = "https://compute.example.com"
+
+        async with self.cloud as cloud:
+            self.assertTrue(cloud.is_authenticated)
+            self.assertIn("compute", cloud.apis)
+            self.assertEqual(
+                cloud.api_client("compute")._base_url, "https://compute.example.com"
+            )
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_authentication_failure(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.side_effect = AuthenticationError("test_user")
+
+        with self.assertRaises(AuthenticationError):
+            async with self.cloud:
+                pass
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_404_error(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.side_effect = MagicMock(
+            response=MagicMock(status_code=404)
+        )
+
+        async with self.cloud as cloud:
+            self.assertFalse(cloud.is_authenticated)
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_no_matching_interface(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.return_value.json = MagicMock(
+            return_value={
+                "catalog": [
+                    {
+                        "type": "compute",
+                        "endpoints": [
+                            {
+                                "interface": "internal",
+                                "region_id": "region1",
+                                "url": "https://compute.example.com",
+                            }
+                        ],
+                    }
+                ]
+            }
+        )
+
+        async with self.cloud as cloud:
+            self.assertFalse(cloud.is_authenticated)
+            self.assertEqual(cloud.apis, [])
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_no_matching_region_id(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.return_value.json = MagicMock(
+            return_value={
+                "catalog": [
+                    {
+                        "type": "compute",
+                        "endpoints": [
+                            {
+                                "interface": "public",
+                                "region_id": "region2",
+                                "url": "https://compute.example.com",
+                            }
+                        ],
+                    }
+                ]
+            }
+        )
+
+        async with self.cloud as cloud:
+            self.assertFalse(cloud.is_authenticated)
+            self.assertEqual(cloud.apis, [])
+
+    @patch("capi_janitor.openstack.openstack.Client")
+    async def test_aenter_empty_endpoint_list(self, mock_client):
+        mock_client_instance = AsyncMock()
+        mock_client.return_value = mock_client_instance
+        mock_client_instance.get.return_value.json = MagicMock(
+            return_value={
+                "catalog": [
+                    {
+                        "type": "compute",
+                        "endpoints": []
+                    }
+                ]
+            }
+        )
+
+        async with self.cloud as cloud:
+            self.assertFalse(cloud.is_authenticated)
+            self.assertEqual(cloud.apis, [])