Bug 1609 fix
[osm/N2VC.git] / n2vc / tests / unit / test_k8s_juju_conn.py
index 208c849..1423c61 100644 (file)
@@ -19,7 +19,7 @@ import asynctest
 from unittest.mock import Mock
 from n2vc.k8s_juju_conn import K8sJujuConnector, RBAC_LABEL_KEY_NAME
 from osm_common import fslocal
-from .utils import kubeconfig, FakeModel, FakeFileWrapper, AsyncMock
+from .utils import kubeconfig, FakeModel, FakeFileWrapper, AsyncMock, FakeApplication
 from n2vc.exceptions import (
     MethodNotImplemented,
     K8sException,
@@ -75,25 +75,22 @@ class K8sJujuConnTestCase(asynctest.TestCase):
         )
         self.k8s_juju_conn._store.get_vca_id.return_value = None
         self.k8s_juju_conn.libjuju = Mock()
+        # Mock Kubectl
+        self.kubectl = Mock()
+        self.kubectl.get_secret_data = AsyncMock()
+        self.kubectl.get_secret_data.return_value = ("token", "cacert")
+        self.kubectl.get_services.return_value = [{}]
+        self.k8s_juju_conn._get_kubectl = Mock()
+        self.k8s_juju_conn._get_kubectl.return_value = self.kubectl
 
 
-@asynctest.mock.patch("n2vc.kubectl.Kubectl.get_default_storage_class")
 class InitEnvTest(K8sJujuConnTestCase):
     def setUp(self):
         super(InitEnvTest, self).setUp()
         self.k8s_juju_conn.libjuju.add_k8s = AsyncMock()
-        self.k8s_juju_conn._create_cluster_role = Mock()
-        self.k8s_juju_conn._create_service_account = Mock()
-        self.k8s_juju_conn._create_cluster_role_binding = Mock()
-        self.k8s_juju_conn._delete_cluster_role = Mock()
-        self.k8s_juju_conn._delete_service_account = Mock()
-        self.k8s_juju_conn._delete_cluster_role_binding = Mock()
-        self.k8s_juju_conn._get_secret_data = AsyncMock()
-        self.k8s_juju_conn._get_secret_data.return_value = ("token", "cacert")
 
     def test_with_cluster_uuid(
         self,
-        mock_get_default_storage_class,
     ):
         reuse_cluster_uuid = "uuid"
         uuid, created = self.loop.run_until_complete(
@@ -104,12 +101,11 @@ class InitEnvTest(K8sJujuConnTestCase):
 
         self.assertTrue(created)
         self.assertEqual(uuid, reuse_cluster_uuid)
-        mock_get_default_storage_class.assert_called_once()
+        self.kubectl.get_default_storage_class.assert_called_once()
         self.k8s_juju_conn.libjuju.add_k8s.assert_called_once()
 
     def test_with_no_cluster_uuid(
         self,
-        mock_get_default_storage_class,
     ):
         uuid, created = self.loop.run_until_complete(
             self.k8s_juju_conn.init_env(k8s_creds=kubeconfig)
@@ -117,12 +113,11 @@ class InitEnvTest(K8sJujuConnTestCase):
 
         self.assertTrue(created)
         self.assertTrue(isinstance(uuid, str))
-        mock_get_default_storage_class.assert_called_once()
+        self.kubectl.get_default_storage_class.assert_called_once()
         self.k8s_juju_conn.libjuju.add_k8s.assert_called_once()
 
     def test_init_env_exception(
         self,
-        mock_get_default_storage_class,
     ):
         self.k8s_juju_conn.libjuju.add_k8s.side_effect = Exception()
         created = None
@@ -134,7 +129,6 @@ class InitEnvTest(K8sJujuConnTestCase):
 
         self.assertIsNone(created)
         self.assertIsNone(uuid)
-        mock_get_default_storage_class.assert_called_once()
         self.k8s_juju_conn.libjuju.add_k8s.assert_called_once()
 
 
@@ -183,9 +177,6 @@ class ResetTest(K8sJujuConnTestCase):
         cloud_creds = Mock()
         cloud_creds.result = {"attrs": {RBAC_LABEL_KEY_NAME: "asd"}}
         self.k8s_juju_conn.libjuju.get_cloud_credentials.return_value = [cloud_creds]
-        self.k8s_juju_conn._delete_cluster_role_binding = Mock()
-        self.k8s_juju_conn._delete_service_account = Mock()
-        self.k8s_juju_conn._delete_cluster_role = Mock()
         self.k8s_juju_conn.get_credentials = Mock()
         self.k8s_juju_conn.get_credentials.return_value = kubeconfig
 
@@ -614,26 +605,24 @@ class GetServicesTest(K8sJujuConnTestCase):
     def setUp(self):
         super(GetServicesTest, self).setUp()
 
-    @asynctest.mock.patch("n2vc.kubectl.Kubectl.get_services")
     @asynctest.mock.patch("n2vc.k8s_juju_conn.K8sJujuConnector.get_credentials")
-    def test_success(self, mock_get_credentials, mock_get_services):
+    def test_success(self, mock_get_credentials):
         mock_get_credentials.return_value = kubeconfig
         self.loop.run_until_complete(self.k8s_juju_conn.get_services("", "", ""))
         mock_get_credentials.assert_called_once()
-        mock_get_services.assert_called_once()
+        self.kubectl.get_services.assert_called_once()
 
 
 class GetServiceTest(K8sJujuConnTestCase):
     def setUp(self):
         super(GetServiceTest, self).setUp()
 
-    @asynctest.mock.patch("n2vc.kubectl.Kubectl.get_services")
     @asynctest.mock.patch("n2vc.k8s_juju_conn.K8sJujuConnector.get_credentials")
-    def test_success(self, mock_get_credentials, mock_get_services):
+    def test_success(self, mock_get_credentials):
         mock_get_credentials.return_value = kubeconfig
         self.loop.run_until_complete(self.k8s_juju_conn.get_service("", "", ""))
         mock_get_credentials.assert_called_once()
-        mock_get_services.assert_called_once()
+        self.kubectl.get_services.assert_called_once()
 
 
 class GetCredentialsTest(K8sJujuConnTestCase):
@@ -664,8 +653,9 @@ class UpdateVcaStatusTest(K8sJujuConnTestCase):
         self.k8s_juju_conn.libjuju.get_application_configs = AsyncMock()
 
     def test_success(self):
-        self.loop.run_until_complete(self.k8s_juju_conn.update_vca_status(
-            self.vcaStatus, self.kdu_instance))
+        self.loop.run_until_complete(
+            self.k8s_juju_conn.update_vca_status(self.vcaStatus, self.kdu_instance)
+        )
         self.k8s_juju_conn.libjuju.get_executed_actions.assert_called_once()
         self.k8s_juju_conn.libjuju.get_actions.assert_called_once()
         self.k8s_juju_conn.libjuju.get_application_configs.assert_called_once()
@@ -674,8 +664,60 @@ class UpdateVcaStatusTest(K8sJujuConnTestCase):
         self.k8s_juju_conn.libjuju.get_model.return_value = None
         self.k8s_juju_conn.libjuju.get_executed_actions.side_effect = Exception()
         with self.assertRaises(Exception):
-            self.loop.run_until_complete(self.k8s_juju_conn.update_vca_status(
-                self.vcaStatus, self.kdu_instance))
+            self.loop.run_until_complete(
+                self.k8s_juju_conn.update_vca_status(self.vcaStatus, self.kdu_instance)
+            )
             self.k8s_juju_conn.libjuju.get_executed_actions.assert_not_called()
             self.k8s_juju_conn.libjuju.get_actions.assert_not_called_once()
             self.k8s_juju_conn.libjuju.get_application_configs.assert_not_called_once()
+
+
+class ScaleTest(K8sJujuConnTestCase):
+    def setUp(self):
+        super(ScaleTest, self).setUp()
+        self.application_name = "app"
+        self.kdu_name = "kdu-instance"
+        self._scale = 2
+        self.k8s_juju_conn.libjuju.scale_application = AsyncMock()
+
+    def test_success(self):
+        self.loop.run_until_complete(
+            self.k8s_juju_conn.scale(self.kdu_name, self._scale, self.application_name)
+        )
+        self.k8s_juju_conn.libjuju.scale_application.assert_called_once()
+
+    def test_exception(self):
+        self.k8s_juju_conn.libjuju.scale_application.side_effect = Exception()
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(
+                self.k8s_juju_conn.scale(
+                    self.kdu_name, self._scale, self.application_name
+                )
+            )
+        self.k8s_juju_conn.libjuju.scale_application.assert_called_once()
+
+
+class GetScaleCount(K8sJujuConnTestCase):
+    def setUp(self):
+        super(GetScaleCount, self).setUp()
+        self.k8s_juju_conn.libjuju.get_model_status = AsyncMock()
+
+    def test_success(self):
+        applications = {"app": FakeApplication()}
+        model = FakeModel(applications=applications)
+        self.k8s_juju_conn.libjuju.get_model_status.return_value = model
+        status = self.loop.run_until_complete(
+            self.k8s_juju_conn.get_scale_count("app", "kdu_instance")
+        )
+        self.assertEqual(status, 2)
+        self.k8s_juju_conn.libjuju.get_model_status.assert_called_once()
+
+    def test_exception(self):
+        self.k8s_juju_conn.libjuju.get_model_status.side_effect = Exception()
+        status = None
+        with self.assertRaises(Exception):
+            status = self.loop.run_until_complete(
+                self.k8s_juju_conn.status_kdu("app", "kdu_instance")
+            )
+        self.assertIsNone(status)
+        self.k8s_juju_conn.libjuju.get_model_status.assert_called_once()