Add models_exist function to libjuju.py

[osm/N2VC.git] / n2vc / tests / unit / test_libjuju.py

diff --git a/n2vc/tests/unit/test_libjuju.py b/n2vc/tests/unit/test_libjuju.py
index 5669959..f517afc 100644 (file)
--- a/n2vc/tests/unit/test_libjuju.py
+++ b/n2vc/tests/unit/test_libjuju.py
@@ -873,3 +873,37 @@ class ListModelsTest(LibjujuTestCase):
 
         mock_disconnect_controller.assert_called_once()
         self.assertEquals(models, ["existingmodel", "model"])
+
+
+@asynctest.mock.patch("n2vc.libjuju.Libjuju.list_models")
+class ModelsExistTest(LibjujuTestCase):
+    def setUp(self):
+        super(ModelsExistTest, self).setUp()
+
+    def test_model_names_none(self, mock_list_models):
+        mock_list_models.return_value = []
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(self.libjuju.models_exist(None))
+
+    def test_model_names_empty(self, mock_list_models):
+        mock_list_models.return_value = []
+        with self.assertRaises(Exception):
+            (exist, non_existing_models) = self.loop.run_until_complete(
+                self.libjuju.models_exist([])
+            )
+
+    def test_model_names_not_existing(self, mock_list_models):
+        mock_list_models.return_value = ["prometheus", "grafana"]
+        (exist, non_existing_models) = self.loop.run_until_complete(
+            self.libjuju.models_exist(["prometheus2", "grafana"])
+        )
+        self.assertFalse(exist)
+        self.assertEqual(non_existing_models, ["prometheus2"])
+
+    def test_model_names_exist(self, mock_list_models):
+        mock_list_models.return_value = ["prometheus", "grafana"]
+        (exist, non_existing_models) = self.loop.run_until_complete(
+            self.libjuju.models_exist(["prometheus", "grafana"])
+        )
+        self.assertTrue(exist)
+        self.assertEqual(non_existing_models, [])