+# 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)