Feature 10887: Add cross-model relations support

[osm/N2VC.git] / n2vc / tests / unit / test_k8s_juju_conn.py

diff --git a/n2vc/tests/unit/test_k8s_juju_conn.py b/n2vc/tests/unit/test_k8s_juju_conn.py
index 1423c61..e0faaf0 100644 (file)
--- a/n2vc/tests/unit/test_k8s_juju_conn.py
+++ b/n2vc/tests/unit/test_k8s_juju_conn.py
@@ -17,6 +17,7 @@ import asyncio
 import logging
 import asynctest
 from unittest.mock import Mock
+from n2vc.definitions import Offer, RelationEndpoint
 from n2vc.k8s_juju_conn import K8sJujuConnector, RBAC_LABEL_KEY_NAME
 from osm_common import fslocal
 from .utils import kubeconfig, FakeModel, FakeFileWrapper, AsyncMock, FakeApplication
@@ -721,3 +722,50 @@ class GetScaleCount(K8sJujuConnTestCase):
             )
         self.assertIsNone(status)
         self.k8s_juju_conn.libjuju.get_model_status.assert_called_once()
+
+
+class AddRelationTest(K8sJujuConnTestCase):
+    def setUp(self):
+        super(AddRelationTest, self).setUp()
+        self.k8s_juju_conn.libjuju.add_relation = AsyncMock()
+        self.k8s_juju_conn.libjuju.offer = AsyncMock()
+        self.k8s_juju_conn.libjuju.get_controller = AsyncMock()
+        self.k8s_juju_conn.libjuju.consume = AsyncMock()
+
+    def test_standard_relation(self):
+        relation_endpoint_1 = RelationEndpoint("model-1.app1.0", None, "endpoint")
+        relation_endpoint_2 = RelationEndpoint("model-1.app2.1", None, "endpoint")
+        self.loop.run_until_complete(
+            self.k8s_juju_conn.add_relation(relation_endpoint_1, relation_endpoint_2)
+        )
+        self.k8s_juju_conn.libjuju.add_relation.assert_called_once_with(
+            model_name="model-1", endpoint_1="app1:endpoint", endpoint_2="app2:endpoint"
+        )
+        self.k8s_juju_conn.libjuju.offer.assert_not_called()
+        self.k8s_juju_conn.libjuju.consume.assert_not_called()
+
+    def test_cmr_relation_same_controller(self):
+        relation_endpoint_1 = RelationEndpoint("model-1.app1.0", None, "endpoint")
+        relation_endpoint_2 = RelationEndpoint("model-2.app2.1", None, "endpoint")
+        offer = Offer("admin/model-1.app1")
+        self.k8s_juju_conn.libjuju.offer.return_value = offer
+        self.k8s_juju_conn.libjuju.consume.return_value = "saas"
+        self.loop.run_until_complete(
+            self.k8s_juju_conn.add_relation(relation_endpoint_1, relation_endpoint_2)
+        )
+        self.k8s_juju_conn.libjuju.offer.assert_called_once_with(relation_endpoint_1)
+        self.k8s_juju_conn.libjuju.consume.assert_called_once()
+        self.k8s_juju_conn.libjuju.add_relation.assert_called_once_with(
+            "model-2", "app2:endpoint", "saas"
+        )
+
+    def test_relation_exception(self):
+        relation_endpoint_1 = RelationEndpoint("model-1.app1.0", None, "endpoint")
+        relation_endpoint_2 = RelationEndpoint("model-2.app2.1", None, "endpoint")
+        self.k8s_juju_conn.libjuju.offer.side_effect = Exception()
+        with self.assertRaises(Exception):
+            self.loop.run_until_complete(
+                self.k8s_juju_conn.add_relation(
+                    relation_endpoint_1, relation_endpoint_2
+                )
+            )