Major improvement in OSM charms
[osm/devops.git] / installers / charm / ro / tests / test_charm.py
index 0aa9b7d..4f14aff 100644 (file)
 # osm-charmers@lists.launchpad.net
 ##
 
+import sys
 from typing import NoReturn
 import unittest
-from ops.model import BlockedStatus
-
+from ops.model import ActiveStatus, BlockedStatus
 from ops.testing import Harness
 
 from charm import RoCharm
 
 
 class TestCharm(unittest.TestCase):
-    """RO Charm unit tests."""
+    """Prometheus Charm unit tests."""
 
     def setUp(self) -> NoReturn:
         """Test setup"""
+        self.image_info = sys.modules["oci_image"].OCIImageResource().fetch()
         self.harness = Harness(RoCharm)
         self.harness.set_leader(is_leader=True)
         self.harness.begin()
+        self.config = {
+            "enable_ng_ro": True,
+            "database_commonkey": "commonkey",
+            "log_level": "INFO",
+            "vim_database": "db_name",
+            "ro_database": "ro_db_name",
+            "openmano_tenant": "mano",
+        }
+        self.harness.update_config(self.config)
 
-    def test_on_start_without_relations_ng_ro(self) -> NoReturn:
-        """Test installation without any relation."""
-        self.harness.charm.on.start.emit()
+    def test_config_changed_no_relations(
+        self,
+    ) -> NoReturn:
+        """Test ingress resources without HTTP."""
 
-        # Verifying status
-        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+        self.harness.charm.on.config_changed.emit()
 
-        # Verifying status message
-        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+        # Assertions
+        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
         self.assertTrue(
-            self.harness.charm.unit.status.message.startswith("Waiting for ")
+            all(
+                relation in self.harness.charm.unit.status.message
+                for relation in ["mongodb", "kafka"]
+            )
         )
-        self.assertIn("kafka", self.harness.charm.unit.status.message)
-        self.assertIn("mongodb", self.harness.charm.unit.status.message)
-        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
 
-    def test_on_start_without_relations_no_ng_ro(self) -> NoReturn:
-        """Test installation without any relation."""
+        # Disable ng-ro
         self.harness.update_config({"enable_ng_ro": False})
-
-        self.harness.charm.on.start.emit()
-
-        # Verifying status
         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        # Verifying status message
-        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
         self.assertTrue(
-            self.harness.charm.unit.status.message.startswith("Waiting for ")
+            all(
+                relation in self.harness.charm.unit.status.message
+                for relation in ["mysql"]
+            )
         )
-        self.assertIn("mysql", self.harness.charm.unit.status.message)
-        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
-
-    def test_on_start_with_relations_ng_ro(self) -> NoReturn:
-        """Test deployment with NG-RO."""
-        expected_result = {
-            "version": 3,
-            "containers": [
-                {
-                    "name": "ro",
-                    "imageDetails": self.harness.charm.image.fetch(),
-                    "imagePullPolicy": "Always",
-                    "ports": [
-                        {
-                            "name": "ro",
-                            "containerPort": 9090,
-                            "protocol": "TCP",
-                        }
-                    ],
-                    "envConfig": {
-                        "OSMRO_LOG_LEVEL": "INFO",
-                        "OSMRO_MESSAGE_DRIVER": "kafka",
-                        "OSMRO_MESSAGE_HOST": "kafka",
-                        "OSMRO_MESSAGE_PORT": "9090",
-                        "OSMRO_DATABASE_DRIVER": "mongo",
-                        "OSMRO_DATABASE_URI": "mongodb://mongo",
-                        "OSMRO_DATABASE_COMMONKEY": "osm",
-                    },
-                    "kubernetes": {
-                        "startupProbe": {
-                            "exec": {"command": ["/usr/bin/pgrep", "python3"]},
-                            "initialDelaySeconds": 60,
-                            "timeoutSeconds": 5,
-                        },
-                        "readinessProbe": {
-                            "httpGet": {
-                                "path": "/openmano/tenants",
-                                "port": 9090,
-                            },
-                            "periodSeconds": 10,
-                            "timeoutSeconds": 5,
-                            "successThreshold": 1,
-                            "failureThreshold": 3,
-                        },
-                        "livenessProbe": {
-                            "httpGet": {
-                                "path": "/openmano/tenants",
-                                "port": 9090,
-                            },
-                            "initialDelaySeconds": 600,
-                            "periodSeconds": 10,
-                            "timeoutSeconds": 5,
-                            "successThreshold": 1,
-                            "failureThreshold": 3,
-                        },
-                    },
-                }
-            ],
-            "kubernetesResources": {"ingressResources": []},
-        }
 
-        self.harness.charm.on.start.emit()
+    def test_config_changed_non_leader(
+        self,
+    ) -> NoReturn:
+        """Test ingress resources without HTTP."""
+        self.harness.set_leader(is_leader=False)
+        self.harness.charm.on.config_changed.emit()
 
-        # Initializing the kafka relation
-        relation_id = self.harness.add_relation("kafka", "kafka")
-        self.harness.add_relation_unit(relation_id, "kafka/0")
-        self.harness.update_relation_data(
-            relation_id,
-            "kafka/0",
-            {
-                "host": "kafka",
-                "port": "9090",
-            },
-        )
+        # Assertions
+        self.assertIsInstance(self.harness.charm.unit.status, ActiveStatus)
 
-        # Initializing the mongodb relation
-        relation_id = self.harness.add_relation("mongodb", "mongodb")
-        self.harness.add_relation_unit(relation_id, "mongodb/0")
-        self.harness.update_relation_data(
-            relation_id,
-            "mongodb/0",
-            {
-                "connection_string": "mongodb://mongo",
-            },
-        )
+    def test_with_relations_ng(
+        self,
+    ) -> NoReturn:
+        "Test with relations (ng-ro)"
 
-        # Verifying status
-        self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        pod_spec, _ = self.harness.get_pod_spec()
-
-        self.assertDictEqual(expected_result, pod_spec)
-
-    def test_on_start_with_relations_no_ng_ro(self) -> NoReturn:
-        """Test deployment with old RO."""
-        self.harness.update_config({"enable_ng_ro": False})
-
-        expected_result = {
-            "version": 3,
-            "containers": [
-                {
-                    "name": "ro",
-                    "imageDetails": self.harness.charm.image.fetch(),
-                    "imagePullPolicy": "Always",
-                    "ports": [
-                        {
-                            "name": "ro",
-                            "containerPort": 9090,
-                            "protocol": "TCP",
-                        }
-                    ],
-                    "envConfig": {
-                        "OSMRO_LOG_LEVEL": "INFO",
-                        "RO_DB_HOST": "mysql",
-                        "RO_DB_OVIM_HOST": "mysql",
-                        "RO_DB_PORT": 3306,
-                        "RO_DB_OVIM_PORT": 3306,
-                        "RO_DB_USER": "mano",
-                        "RO_DB_OVIM_USER": "mano",
-                        "RO_DB_PASSWORD": "manopw",
-                        "RO_DB_OVIM_PASSWORD": "manopw",
-                        "RO_DB_ROOT_PASSWORD": "rootmanopw",
-                        "RO_DB_OVIM_ROOT_PASSWORD": "rootmanopw",
-                        "RO_DB_NAME": "mano_db",
-                        "RO_DB_OVIM_NAME": "mano_vim_db",
-                        "OPENMANO_TENANT": "osm",
-                    },
-                    "kubernetes": {
-                        "startupProbe": {
-                            "exec": {"command": ["/usr/bin/pgrep", "python3"]},
-                            "initialDelaySeconds": 60,
-                            "timeoutSeconds": 5,
-                        },
-                        "readinessProbe": {
-                            "httpGet": {
-                                "path": "/openmano/tenants",
-                                "port": 9090,
-                            },
-                            "periodSeconds": 10,
-                            "timeoutSeconds": 5,
-                            "successThreshold": 1,
-                            "failureThreshold": 3,
-                        },
-                        "livenessProbe": {
-                            "httpGet": {
-                                "path": "/openmano/tenants",
-                                "port": 9090,
-                            },
-                            "initialDelaySeconds": 600,
-                            "periodSeconds": 10,
-                            "timeoutSeconds": 5,
-                            "successThreshold": 1,
-                            "failureThreshold": 3,
-                        },
-                    },
-                }
-            ],
-            "kubernetesResources": {"ingressResources": []},
-        }
-
-        self.harness.charm.on.start.emit()
-
-        # Initializing the mysql relation
-        relation_id = self.harness.add_relation("mysql", "mysql")
-        self.harness.add_relation_unit(relation_id, "mysql/0")
-        self.harness.update_relation_data(
-            relation_id,
-            "mysql/0",
-            {
-                "host": "mysql",
-                "port": 3306,
-                "user": "mano",
-                "password": "manopw",
-                "root_password": "rootmanopw",
-            },
-        )
-
-        # Verifying status
-        self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        pod_spec, _ = self.harness.get_pod_spec()
-
-        self.assertDictEqual(expected_result, pod_spec)
-
-    def test_on_kafka_unit_relation_changed(self) -> NoReturn:
-        """Test to see if kafka relation is updated."""
-        self.harness.charm.on.start.emit()
-
-        relation_id = self.harness.add_relation("kafka", "kafka")
-        self.harness.add_relation_unit(relation_id, "kafka/0")
+        # Initializing the kafka relation
+        kafka_relation_id = self.harness.add_relation("kafka", "kafka")
+        self.harness.add_relation_unit(kafka_relation_id, "kafka/0")
         self.harness.update_relation_data(
-            relation_id,
-            "kafka/0",
-            {
-                "host": "kafka",
-                "port": 9090,
-            },
+            kafka_relation_id, "kafka/0", {"host": "kafka", "port": 9092}
         )
 
-        # Verifying status
-        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        # Verifying status message
-        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
-        self.assertTrue(
-            self.harness.charm.unit.status.message.startswith("Waiting for ")
-        )
-        self.assertIn("mongodb", self.harness.charm.unit.status.message)
-        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
-
-    def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
-        """Test to see if mongodb relation is updated."""
-        self.harness.charm.on.start.emit()
-
-        relation_id = self.harness.add_relation("mongodb", "mongodb")
-        self.harness.add_relation_unit(relation_id, "mongodb/0")
+        # Initializing the mongo relation
+        mongodb_relation_id = self.harness.add_relation("mongodb", "mongodb")
+        self.harness.add_relation_unit(mongodb_relation_id, "mongodb/0")
         self.harness.update_relation_data(
-            relation_id,
+            mongodb_relation_id,
             "mongodb/0",
-            {
-                "connection_string": "mongodb://mongo",
-            },
-        )
-
-        # Verifying status
-        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        # Verifying status message
-        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
-        self.assertTrue(
-            self.harness.charm.unit.status.message.startswith("Waiting for ")
-        )
-        self.assertIn("kafka", self.harness.charm.unit.status.message)
-        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
-
-    def test_on_mysql_unit_relation_changed(self) -> NoReturn:
-        """Test to see if mysql relation is updated."""
-        self.harness.charm.on.start.emit()
-
-        relation_id = self.harness.add_relation("mysql", "mysql")
-        self.harness.add_relation_unit(relation_id, "mysql/0")
-        self.harness.update_relation_data(
-            relation_id,
-            "mysql/0",
-            {
-                "host": "mysql",
-                "port": 3306,
-                "user": "mano",
-                "password": "manopw",
-                "root_password": "rootmanopw",
-            },
+            {"connection_string": "mongodb://mongo:27017"},
         )
 
         # Verifying status
-        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
-
-        # Verifying status message
-        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
-        self.assertTrue(
-            self.harness.charm.unit.status.message.startswith("Waiting for ")
-        )
-        self.assertIn("kafka", self.harness.charm.unit.status.message)
-        self.assertIn("mongodb", self.harness.charm.unit.status.message)
-        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
-    def test_publish_ro_info(self) -> NoReturn:
-        """Test to see if ro relation is updated."""
-        expected_result = {
-            "host": "ro",
-            "port": "9090",
-        }
+        self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
 
-        self.harness.charm.on.start.emit()
 
-        relation_id = self.harness.add_relation("ro", "lcm")
-        self.harness.add_relation_unit(relation_id, "lcm/0")
-        relation_data = self.harness.get_relation_data(relation_id, "ro")
+if __name__ == "__main__":
+    unittest.main()
 
-        self.assertDictEqual(expected_result, relation_data)
+# class TestCharm(unittest.TestCase):
+#     """RO Charm unit tests."""
+
+#     def setUp(self) -> NoReturn:
+#         """Test setup"""
+#         self.harness = Harness(RoCharm)
+#         self.harness.set_leader(is_leader=True)
+#         self.harness.begin()
+
+#     def test_on_start_without_relations_ng_ro(self) -> NoReturn:
+#         """Test installation without any relation."""
+#         self.harness.charm.on.start.emit()
+
+#         # Verifying status
+#         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         # Verifying status message
+#         self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+#         self.assertTrue(
+#             self.harness.charm.unit.status.message.startswith("Waiting for ")
+#         )
+#         self.assertIn("kafka", self.harness.charm.unit.status.message)
+#         self.assertIn("mongodb", self.harness.charm.unit.status.message)
+#         self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+#     def test_on_start_without_relations_no_ng_ro(self) -> NoReturn:
+#         """Test installation without any relation."""
+#         self.harness.update_config({"enable_ng_ro": False})
+
+#         self.harness.charm.on.start.emit()
+
+#         # Verifying status
+#         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         # Verifying status message
+#         self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+#         self.assertTrue(
+#             self.harness.charm.unit.status.message.startswith("Waiting for ")
+#         )
+#         self.assertIn("mysql", self.harness.charm.unit.status.message)
+#         self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+#     def test_on_start_with_relations_ng_ro(self) -> NoReturn:
+#         """Test deployment with NG-RO."""
+#         expected_result = {
+#             "version": 3,
+#             "containers": [
+#                 {
+#                     "name": "ro",
+#                     "imageDetails": self.harness.charm.image.fetch(),
+#                     "imagePullPolicy": "Always",
+#                     "ports": [
+#                         {
+#                             "name": "ro",
+#                             "containerPort": 9090,
+#                             "protocol": "TCP",
+#                         }
+#                     ],
+#                     "envConfig": {
+#                         "OSMRO_LOG_LEVEL": "INFO",
+#                         "OSMRO_MESSAGE_DRIVER": "kafka",
+#                         "OSMRO_MESSAGE_HOST": "kafka",
+#                         "OSMRO_MESSAGE_PORT": "9090",
+#                         "OSMRO_DATABASE_DRIVER": "mongo",
+#                         "OSMRO_DATABASE_URI": "mongodb://mongo",
+#                         "OSMRO_DATABASE_COMMONKEY": "osm",
+#                     },
+#                     "kubernetes": {
+#                         "startupProbe": {
+#                             "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+#                             "initialDelaySeconds": 60,
+#                             "timeoutSeconds": 5,
+#                         },
+#                         "readinessProbe": {
+#                             "httpGet": {
+#                                 "path": "/openmano/tenants",
+#                                 "port": 9090,
+#                             },
+#                             "periodSeconds": 10,
+#                             "timeoutSeconds": 5,
+#                             "successThreshold": 1,
+#                             "failureThreshold": 3,
+#                         },
+#                         "livenessProbe": {
+#                             "httpGet": {
+#                                 "path": "/openmano/tenants",
+#                                 "port": 9090,
+#                             },
+#                             "initialDelaySeconds": 600,
+#                             "periodSeconds": 10,
+#                             "timeoutSeconds": 5,
+#                             "successThreshold": 1,
+#                             "failureThreshold": 3,
+#                         },
+#                     },
+#                 }
+#             ],
+#             "kubernetesResources": {"ingressResources": []},
+#         }
+
+#         self.harness.charm.on.start.emit()
+
+#         # Initializing the kafka relation
+#         relation_id = self.harness.add_relation("kafka", "kafka")
+#         self.harness.add_relation_unit(relation_id, "kafka/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "kafka/0",
+#             {
+#                 "host": "kafka",
+#                 "port": "9090",
+#             },
+#         )
+
+#         # Initializing the mongodb relation
+#         relation_id = self.harness.add_relation("mongodb", "mongodb")
+#         self.harness.add_relation_unit(relation_id, "mongodb/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "mongodb/0",
+#             {
+#                 "connection_string": "mongodb://mongo",
+#             },
+#         )
+
+#         # Verifying status
+#         self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         pod_spec, _ = self.harness.get_pod_spec()
+
+#         self.assertDictEqual(expected_result, pod_spec)
+
+#     def test_on_start_with_relations_no_ng_ro(self) -> NoReturn:
+#         """Test deployment with old RO."""
+#         self.harness.update_config({"enable_ng_ro": False})
+
+#         expected_result = {
+#             "version": 3,
+#             "containers": [
+#                 {
+#                     "name": "ro",
+#                     "imageDetails": self.harness.charm.image.fetch(),
+#                     "imagePullPolicy": "Always",
+#                     "ports": [
+#                         {
+#                             "name": "ro",
+#                             "containerPort": 9090,
+#                             "protocol": "TCP",
+#                         }
+#                     ],
+#                     "envConfig": {
+#                         "OSMRO_LOG_LEVEL": "INFO",
+#                         "RO_DB_HOST": "mysql",
+#                         "RO_DB_OVIM_HOST": "mysql",
+#                         "RO_DB_PORT": 3306,
+#                         "RO_DB_OVIM_PORT": 3306,
+#                         "RO_DB_USER": "mano",
+#                         "RO_DB_OVIM_USER": "mano",
+#                         "RO_DB_PASSWORD": "manopw",
+#                         "RO_DB_OVIM_PASSWORD": "manopw",
+#                         "RO_DB_ROOT_PASSWORD": "rootmanopw",
+#                         "RO_DB_OVIM_ROOT_PASSWORD": "rootmanopw",
+#                         "RO_DB_NAME": "mano_db",
+#                         "RO_DB_OVIM_NAME": "mano_vim_db",
+#                         "OPENMANO_TENANT": "osm",
+#                     },
+#                     "kubernetes": {
+#                         "startupProbe": {
+#                             "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+#                             "initialDelaySeconds": 60,
+#                             "timeoutSeconds": 5,
+#                         },
+#                         "readinessProbe": {
+#                             "httpGet": {
+#                                 "path": "/openmano/tenants",
+#                                 "port": 9090,
+#                             },
+#                             "periodSeconds": 10,
+#                             "timeoutSeconds": 5,
+#                             "successThreshold": 1,
+#                             "failureThreshold": 3,
+#                         },
+#                         "livenessProbe": {
+#                             "httpGet": {
+#                                 "path": "/openmano/tenants",
+#                                 "port": 9090,
+#                             },
+#                             "initialDelaySeconds": 600,
+#                             "periodSeconds": 10,
+#                             "timeoutSeconds": 5,
+#                             "successThreshold": 1,
+#                             "failureThreshold": 3,
+#                         },
+#                     },
+#                 }
+#             ],
+#             "kubernetesResources": {"ingressResources": []},
+#         }
+
+#         self.harness.charm.on.start.emit()
+
+#         # Initializing the mysql relation
+#         relation_id = self.harness.add_relation("mysql", "mysql")
+#         self.harness.add_relation_unit(relation_id, "mysql/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "mysql/0",
+#             {
+#                 "host": "mysql",
+#                 "port": 3306,
+#                 "user": "mano",
+#                 "password": "manopw",
+#                 "root_password": "rootmanopw",
+#             },
+#         )
+
+#         # Verifying status
+#         self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         pod_spec, _ = self.harness.get_pod_spec()
+
+#         self.assertDictEqual(expected_result, pod_spec)
+
+#     def test_on_kafka_unit_relation_changed(self) -> NoReturn:
+#         """Test to see if kafka relation is updated."""
+#         self.harness.charm.on.start.emit()
+
+#         relation_id = self.harness.add_relation("kafka", "kafka")
+#         self.harness.add_relation_unit(relation_id, "kafka/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "kafka/0",
+#             {
+#                 "host": "kafka",
+#                 "port": 9090,
+#             },
+#         )
+
+#         # Verifying status
+#         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         # Verifying status message
+#         self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+#         self.assertTrue(
+#             self.harness.charm.unit.status.message.startswith("Waiting for ")
+#         )
+#         self.assertIn("mongodb", self.harness.charm.unit.status.message)
+#         self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+#     def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
+#         """Test to see if mongodb relation is updated."""
+#         self.harness.charm.on.start.emit()
+
+#         relation_id = self.harness.add_relation("mongodb", "mongodb")
+#         self.harness.add_relation_unit(relation_id, "mongodb/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "mongodb/0",
+#             {
+#                 "connection_string": "mongodb://mongo",
+#             },
+#         )
+
+#         # Verifying status
+#         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         # Verifying status message
+#         self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+#         self.assertTrue(
+#             self.harness.charm.unit.status.message.startswith("Waiting for ")
+#         )
+#         self.assertIn("kafka", self.harness.charm.unit.status.message)
+#         self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+#     def test_on_mysql_unit_relation_changed(self) -> NoReturn:
+#         """Test to see if mysql relation is updated."""
+#         self.harness.charm.on.start.emit()
+
+#         relation_id = self.harness.add_relation("mysql", "mysql")
+#         self.harness.add_relation_unit(relation_id, "mysql/0")
+#         self.harness.update_relation_data(
+#             relation_id,
+#             "mysql/0",
+#             {
+#                 "host": "mysql",
+#                 "port": 3306,
+#                 "user": "mano",
+#                 "password": "manopw",
+#                 "root_password": "rootmanopw",
+#             },
+#         )
+
+#         # Verifying status
+#         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+#         # Verifying status message
+#         self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+#         self.assertTrue(
+#             self.harness.charm.unit.status.message.startswith("Waiting for ")
+#         )
+#         self.assertIn("kafka", self.harness.charm.unit.status.message)
+#         self.assertIn("mongodb", self.harness.charm.unit.status.message)
+#         self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+#     def test_publish_ro_info(self) -> NoReturn:
+#         """Test to see if ro relation is updated."""
+#         expected_result = {
+#             "host": "ro",
+#             "port": "9090",
+#         }
+
+#         self.harness.charm.on.start.emit()
+
+#         relation_id = self.harness.add_relation("ro", "lcm")
+#         self.harness.add_relation_unit(relation_id, "lcm/0")
+#         relation_data = self.harness.get_relation_data(relation_id, "ro")
+
+#         self.assertDictEqual(expected_result, relation_data)
 
 
 if __name__ == "__main__":