#!/usr/bin/env python3
-# Copyright 2020 Canonical Ltd.
+# Copyright 2021 Canonical Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# osm-charmers@lists.launchpad.net
##
+import sys
from typing import NoReturn
import unittest
-from ops.model import BlockedStatus
-
-from ops.testing import Harness
from charm import LcmCharm
+import mock
+from ops.model import ActiveStatus, BlockedStatus
+from ops.testing import Harness
class TestCharm(unittest.TestCase):
- """LCM 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(LcmCharm)
self.harness.set_leader(is_leader=True)
self.harness.begin()
-
- def test_on_start_without_relations(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.assertIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_start_with_relations(self) -> NoReturn:
- """Test deployment without keystone."""
- expected_result = {
- "version": 3,
- "containers": [
- {
- "name": "lcm",
- "imageDetails": self.harness.charm.image.fetch(),
- "imagePullPolicy": "Always",
- "ports": [
- {
- "name": "lcm",
- "containerPort": 9999,
- "protocol": "TCP",
- }
- ],
- "envConfig": {
- "ALLOW_ANONYMOUS_LOGIN": "yes",
- "OSMLCM_GLOBAL_LOGLEVEL": "INFO",
- "OSMLCM_RO_HOST": "ro",
- "OSMLCM_RO_PORT": 9090,
- "OSMLCM_RO_TENANT": "osm",
- "OSMLCM_MESSAGE_DRIVER": "kafka",
- "OSMLCM_MESSAGE_HOST": "kafka",
- "OSMLCM_MESSAGE_PORT": 9092,
- "OSMLCM_DATABASE_DRIVER": "mongo",
- "OSMLCM_DATABASE_URI": "mongodb://mongo:27017",
- "OSMLCM_DATABASE_COMMONKEY": "osm",
- "OSMLCM_STORAGE_DRIVER": "mongo",
- "OSMLCM_STORAGE_PATH": "/app/storage",
- "OSMLCM_STORAGE_COLLECTION": "files",
- "OSMLCM_STORAGE_URI": "mongodb://mongo:27017",
- "OSMLCM_VCA_HOST": "admin",
- "OSMLCM_VCA_PORT": 17070,
- "OSMLCM_VCA_USER": "admin",
- "OSMLCM_VCA_PUBKEY": "secret",
- "OSMLCM_VCA_SECRET": "secret",
- "OSMLCM_VCA_CACERT": "",
- "OSMLCM_VCA_CLOUD": "localhost",
- "OSMLCM_VCA_K8S_CLOUD": "k8scloud",
- },
- }
- ],
- "kubernetesResources": {"ingressResources": []},
+ self.config = {
+ "vca_host": "192.168.0.13",
+ "vca_port": 17070,
+ "vca_user": "admin",
+ "vca_secret": "admin",
+ "vca_pubkey": "key",
+ "vca_cacert": "cacert",
+ "vca_cloud": "cloud",
+ "vca_k8s_cloud": "k8scloud",
+ "database_commonkey": "commonkey",
+ "mongodb_uri": "",
+ "log_level": "INFO",
}
+ self.harness.update_config(self.config)
- self.harness.charm.on.start.emit()
+ def test_config_changed_no_relations(
+ self,
+ ) -> NoReturn:
+ """Test ingress resources without HTTP."""
- # Check if kafka datastore is initialized
- self.assertIsNone(self.harness.charm.state.message_host)
- self.assertIsNone(self.harness.charm.state.message_port)
+ self.harness.charm.on.config_changed.emit()
- # Check if mongodb datastore is initialized
- self.assertIsNone(self.harness.charm.state.database_uri)
-
- # Check if RO datastore is initialized
- self.assertIsNone(self.harness.charm.state.ro_host)
- self.assertIsNone(self.harness.charm.state.ro_port)
-
- # 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(
- kafka_relation_id, "kafka/0", {"host": "kafka", "port": 9092}
- )
-
- # 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(
- mongodb_relation_id,
- "mongodb/0",
- {"connection_string": "mongodb://mongo:27017"},
- )
-
- # Initializing the RO relation
- ro_relation_id = self.harness.add_relation("ro", "ro")
- self.harness.add_relation_unit(ro_relation_id, "ro/0")
- self.harness.update_relation_data(
- ro_relation_id, "ro", {"host": "ro", "port": 9090}
+ # Assertions
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+ self.assertTrue(
+ all(
+ relation in self.harness.charm.unit.status.message
+ for relation in ["mongodb", "kafka", "ro"]
+ )
)
- # Checking if kafka data is stored
- self.assertEqual(self.harness.charm.state.message_host, "kafka")
- self.assertEqual(self.harness.charm.state.message_port, 9092)
-
- # Checking if mongodb data is stored
- self.assertEqual(self.harness.charm.state.database_uri, "mongodb://mongo:27017")
-
- # Checking if RO data is stored
- self.assertEqual(self.harness.charm.state.ro_host, "ro")
- self.assertEqual(self.harness.charm.state.ro_port, 9090)
-
+ 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()
+
+ # Assertions
+ self.assertIsInstance(self.harness.charm.unit.status, ActiveStatus)
+
+ def test_with_relations_and_mongodb_config(
+ self,
+ ) -> NoReturn:
+ "Test with relations and mongodb config"
+ self.initialize_kafka_relation()
+ self.initialize_mongo_config()
+ self.initialize_ro_relation()
# 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_relation_app_changed(self) -> NoReturn:
- """Test to see if kafka relation is updated."""
- self.harness.charm.on.start.emit()
-
- self.assertIsNone(self.harness.charm.state.message_host)
- self.assertIsNone(self.harness.charm.state.message_port)
-
- 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", {"host": "kafka", "port": 9092}
- )
-
- self.assertEqual(self.harness.charm.state.message_host, "kafka")
- self.assertEqual(self.harness.charm.state.message_port, 9092)
-
+ def test_with_relations(
+ self,
+ ) -> NoReturn:
+ "Test with relations (internal)"
+ self.initialize_kafka_relation()
+ self.initialize_mongo_relation()
+ self.initialize_ro_relation()
# 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.assertNotIn("kafka", self.harness.charm.unit.status.message)
- self.assertIn("mongodb", self.harness.charm.unit.status.message)
- self.assertIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_kafka_relation_unit_changed(self) -> NoReturn:
- """Test to see if kafka relation is updated."""
- self.harness.charm.on.start.emit()
-
- self.assertIsNone(self.harness.charm.state.message_host)
- self.assertIsNone(self.harness.charm.state.message_port)
-
- 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": 9092}
- )
-
- self.assertEqual(self.harness.charm.state.message_host, "kafka")
- self.assertEqual(self.harness.charm.state.message_port, 9092)
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+ def test_exception_mongodb_relation_and_config(
+ self,
+ ) -> NoReturn:
+ "Test with all relations and config for mongodb. Must fail"
+ self.initialize_mongo_relation()
+ self.initialize_mongo_config()
# 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 ")
+ def test_build_pod_spec(
+ self,
+ ) -> NoReturn:
+ expected_config = {
+ "OSMLCM_GLOBAL_LOGLEVEL": self.config["log_level"],
+ "OSMLCM_DATABASE_COMMONKEY": self.config["database_commonkey"],
+ }
+ expected_config.update(
+ {
+ f"OSMLCM_{k.upper()}": v
+ for k, v in self.config.items()
+ if k.startswith("vca_")
+ }
)
- self.assertNotIn("kafka", self.harness.charm.unit.status.message)
- self.assertIn("mongodb", self.harness.charm.unit.status.message)
- self.assertIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_mongodb_app_relation_changed(self) -> NoReturn:
- """Test to see if mongodb relation is updated."""
- self.harness.charm.on.start.emit()
-
- self.assertIsNone(self.harness.charm.state.database_uri)
-
- 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", {"connection_string": "mongodb://mongo:27017"}
+ self.harness.charm._check_missing_dependencies = mock.Mock()
+ pod_spec = self.harness.charm.build_pod_spec(
+ {"imageDetails": {"imagePath": "lcm-image"}}
)
+ actual_config = pod_spec["containers"][0]["envConfig"]
- self.assertEqual(self.harness.charm.state.database_uri, "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.assertDictContainsSubset(
+ expected_config,
+ actual_config,
)
- self.assertIn("kafka", self.harness.charm.unit.status.message)
- self.assertNotIn("mongodb", self.harness.charm.unit.status.message)
- self.assertIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
- """Test to see if mongodb relation is updated."""
- self.harness.charm.on.start.emit()
-
- self.assertIsNone(self.harness.charm.state.database_uri)
-
- 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:27017"}
+ for config_key in actual_config:
+ self.assertNotIn("VCA_MODEL_CONFIG", config_key)
+
+ def test_build_pod_spec_with_model_config(
+ self,
+ ) -> NoReturn:
+ self.harness.update_config(
+ {
+ "vca_model_config_agent_metadata_url": "string",
+ "vca_model_config_agent_stream": "string",
+ "vca_model_config_apt_ftp_proxy": "string",
+ "vca_model_config_apt_http_proxy": "string",
+ "vca_model_config_apt_https_proxy": "string",
+ "vca_model_config_apt_mirror": "string",
+ "vca_model_config_apt_no_proxy": "string",
+ "vca_model_config_automatically_retry_hooks": False,
+ "vca_model_config_backup_dir": "string",
+ "vca_model_config_cloudinit_userdata": "string",
+ "vca_model_config_container_image_metadata_url": "string",
+ "vca_model_config_container_image_stream": "string",
+ "vca_model_config_container_inherit_properties": "string",
+ "vca_model_config_container_networking_method": "string",
+ "vca_model_config_default_series": "string",
+ "vca_model_config_default_space": "string",
+ "vca_model_config_development": False,
+ "vca_model_config_disable_network_management": False,
+ "vca_model_config_egress_subnets": "string",
+ "vca_model_config_enable_os_refresh_update": False,
+ "vca_model_config_enable_os_upgrade": False,
+ "vca_model_config_fan_config": "string",
+ "vca_model_config_firewall_mode": "string",
+ "vca_model_config_ftp_proxy": "string",
+ "vca_model_config_http_proxy": "string",
+ "vca_model_config_https_proxy": "string",
+ "vca_model_config_ignore_machine_addresses": False,
+ "vca_model_config_image_metadata_url": "string",
+ "vca_model_config_image_stream": "string",
+ "vca_model_config_juju_ftp_proxy": "string",
+ "vca_model_config_juju_http_proxy": "string",
+ "vca_model_config_juju_https_proxy": "string",
+ "vca_model_config_juju_no_proxy": "string",
+ "vca_model_config_logforward_enabled": False,
+ "vca_model_config_logging_config": "string",
+ "vca_model_config_lxd_snap_channel": "string",
+ "vca_model_config_max_action_results_age": "string",
+ "vca_model_config_max_action_results_size": "string",
+ "vca_model_config_max_status_history_age": "string",
+ "vca_model_config_max_status_history_size": "string",
+ "vca_model_config_net_bond_reconfigure_delay": "string",
+ "vca_model_config_no_proxy": "string",
+ "vca_model_config_provisioner_harvest_mode": "string",
+ "vca_model_config_proxy_ssh": False,
+ "vca_model_config_snap_http_proxy": "string",
+ "vca_model_config_snap_https_proxy": "string",
+ "vca_model_config_snap_store_assertions": "string",
+ "vca_model_config_snap_store_proxy": "string",
+ "vca_model_config_snap_store_proxy_url": "string",
+ "vca_model_config_ssl_hostname_verification": False,
+ "vca_model_config_test_mode": False,
+ "vca_model_config_transmit_vendor_metrics": False,
+ "vca_model_config_update_status_hook_interval": "string",
+ }
)
+ expected_config = {
+ f"OSMLCM_{k.upper()}": v
+ for k, v in self.config.items()
+ if k.startswith("vca_model_config_")
+ }
- self.assertEqual(self.harness.charm.state.database_uri, "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.harness.charm._check_missing_dependencies = mock.Mock()
+ pod_spec = self.harness.charm.build_pod_spec(
+ {"imageDetails": {"imagePath": "lcm-image"}}
)
- self.assertIn("kafka", self.harness.charm.unit.status.message)
- self.assertNotIn("mongodb", self.harness.charm.unit.status.message)
- self.assertIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_ro_app_relation_changed(self) -> NoReturn:
- """Test to see if RO relation is updated."""
- self.harness.charm.on.start.emit()
+ actual_config = pod_spec["containers"][0]["envConfig"]
- self.assertIsNone(self.harness.charm.state.ro_host)
- self.assertIsNone(self.harness.charm.state.ro_port)
+ self.assertDictContainsSubset(
+ expected_config,
+ actual_config,
+ )
- relation_id = self.harness.add_relation("ro", "ro")
- self.harness.add_relation_unit(relation_id, "ro/0")
+ def initialize_kafka_relation(self):
+ 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, "ro", {"host": "ro", "port": 9090}
+ kafka_relation_id, "kafka/0", {"host": "kafka", "port": 9092}
)
- self.assertEqual(self.harness.charm.state.ro_host, "ro")
- self.assertEqual(self.harness.charm.state.ro_port, 9090)
-
- # Verifying status
- self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+ def initialize_mongo_config(self):
+ self.harness.update_config({"mongodb_uri": "mongodb://mongo:27017"})
- # Verifying status message
- self.assertGreater(len(self.harness.charm.unit.status.message), 0)
- self.assertTrue(
- self.harness.charm.unit.status.message.startswith("Waiting for ")
+ def initialize_mongo_relation(self):
+ mongodb_relation_id = self.harness.add_relation("mongodb", "mongodb")
+ self.harness.add_relation_unit(mongodb_relation_id, "mongodb/0")
+ self.harness.update_relation_data(
+ mongodb_relation_id,
+ "mongodb/0",
+ {"connection_string": "mongodb://mongo:27017"},
)
- self.assertIn("kafka", self.harness.charm.unit.status.message)
- self.assertIn("mongodb", self.harness.charm.unit.status.message)
- self.assertNotIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-
- def test_on_ro_unit_relation_changed(self) -> NoReturn:
- """Test to see if RO relation is updated."""
- self.harness.charm.on.start.emit()
- self.assertIsNone(self.harness.charm.state.ro_host)
- self.assertIsNone(self.harness.charm.state.ro_port)
-
- relation_id = self.harness.add_relation("ro", "ro")
- self.harness.add_relation_unit(relation_id, "ro/0")
+ def initialize_ro_relation(self):
+ http_relation_id = self.harness.add_relation("ro", "ro")
+ self.harness.add_relation_unit(http_relation_id, "ro")
self.harness.update_relation_data(
- relation_id, "ro/0", {"host": "ro", "port": 9090}
+ http_relation_id,
+ "ro",
+ {"host": "ro", "port": 9090},
)
- self.assertEqual(self.harness.charm.state.ro_host, "ro")
- self.assertEqual(self.harness.charm.state.ro_port, 9090)
- # Verifying status
- self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+if __name__ == "__main__":
+ unittest.main()
- # 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.assertNotIn("ro", self.harness.charm.unit.status.message)
- self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+# class TestCharm(unittest.TestCase):
+# """LCM Charm unit tests."""
+
+# def setUp(self) -> NoReturn:
+# """Test setup"""
+# self.harness = Harness(LcmCharm)
+# self.harness.set_leader(is_leader=True)
+# self.harness.begin()
+
+# def test_on_start_without_relations(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.assertIn("ro", self.harness.charm.unit.status.message)
+# self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+# def test_on_start_with_relations(self) -> NoReturn:
+# """Test deployment without keystone."""
+# expected_result = {
+# "version": 3,
+# "containers": [
+# {
+# "name": "lcm",
+# "imageDetails": self.harness.charm.image.fetch(),
+# "imagePullPolicy": "Always",
+# "ports": [
+# {
+# "name": "lcm",
+# "containerPort": 9999,
+# "protocol": "TCP",
+# }
+# ],
+# "envConfig": {
+# "ALLOW_ANONYMOUS_LOGIN": "yes",
+# "OSMLCM_GLOBAL_LOGLEVEL": "INFO",
+# "OSMLCM_RO_HOST": "ro",
+# "OSMLCM_RO_PORT": 9090,
+# "OSMLCM_RO_TENANT": "osm",
+# "OSMLCM_MESSAGE_DRIVER": "kafka",
+# "OSMLCM_MESSAGE_HOST": "kafka",
+# "OSMLCM_MESSAGE_PORT": 9092,
+# "OSMLCM_DATABASE_DRIVER": "mongo",
+# "OSMLCM_DATABASE_URI": "mongodb://mongo:27017",
+# "OSMLCM_DATABASE_COMMONKEY": "osm",
+# "OSMLCM_STORAGE_DRIVER": "mongo",
+# "OSMLCM_STORAGE_PATH": "/app/storage",
+# "OSMLCM_STORAGE_COLLECTION": "files",
+# "OSMLCM_STORAGE_URI": "mongodb://mongo:27017",
+# "OSMLCM_VCA_HOST": "admin",
+# "OSMLCM_VCA_PORT": 17070,
+# "OSMLCM_VCA_USER": "admin",
+# "OSMLCM_VCA_PUBKEY": "secret",
+# "OSMLCM_VCA_SECRET": "secret",
+# "OSMLCM_VCA_CACERT": "",
+# "OSMLCM_VCA_CLOUD": "localhost",
+# "OSMLCM_VCA_K8S_CLOUD": "k8scloud",
+# },
+# }
+# ],
+# "kubernetesResources": {"ingressResources": []},
+# }
+
+# self.harness.charm.on.start.emit()
+
+# # Check if kafka datastore is initialized
+# self.assertIsNone(self.harness.charm.state.message_host)
+# self.assertIsNone(self.harness.charm.state.message_port)
+
+# # Check if mongodb datastore is initialized
+# self.assertIsNone(self.harness.charm.state.database_uri)
+
+# # Check if RO datastore is initialized
+# self.assertIsNone(self.harness.charm.state.ro_host)
+# self.assertIsNone(self.harness.charm.state.ro_port)
+
+# # 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(
+# kafka_relation_id, "kafka/0", {"host": "kafka", "port": 9092}
+# )
+
+# # 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(
+# mongodb_relation_id,
+# "mongodb/0",
+# {"connection_string": "mongodb://mongo:27017"},
+# )
+
+# # Initializing the RO relation
+# ro_relation_id = self.harness.add_relation("ro", "ro")
+# self.harness.add_relation_unit(ro_relation_id, "ro/0")
+# self.harness.update_relation_data(
+# ro_relation_id, "ro/0", {"host": "ro", "port": 9090}
+# )
+
+# # Checking if kafka data is stored
+# self.assertEqual(self.harness.charm.state.message_host, "kafka")
+# self.assertEqual(self.harness.charm.state.message_port, 9092)
+
+# # Checking if mongodb data is stored
+# self.assertEqual(self.harness.charm.state.database_uri, "mongodb://mongo:27017")
+
+# # Checking if RO data is stored
+# self.assertEqual(self.harness.charm.state.ro_host, "ro")
+# self.assertEqual(self.harness.charm.state.ro_port, 9090)
+
+# # 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_relation_unit_changed(self) -> NoReturn:
+# """Test to see if kafka relation is updated."""
+# self.harness.charm.on.start.emit()
+
+# self.assertIsNone(self.harness.charm.state.message_host)
+# self.assertIsNone(self.harness.charm.state.message_port)
+
+# 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": 9092}
+# )
+
+# self.assertEqual(self.harness.charm.state.message_host, "kafka")
+# self.assertEqual(self.harness.charm.state.message_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.assertNotIn("kafka", self.harness.charm.unit.status.message)
+# self.assertIn("mongodb", self.harness.charm.unit.status.message)
+# self.assertIn("ro", self.harness.charm.unit.status.message)
+# self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+# def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
+# """Test to see if mongodb relation is updated."""
+# self.harness.charm.on.start.emit()
+
+# self.assertIsNone(self.harness.charm.state.database_uri)
+
+# 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:27017"}
+# )
+
+# self.assertEqual(self.harness.charm.state.database_uri, "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.assertNotIn("mongodb", self.harness.charm.unit.status.message)
+# self.assertIn("ro", self.harness.charm.unit.status.message)
+# self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+# def test_on_ro_unit_relation_changed(self) -> NoReturn:
+# """Test to see if RO relation is updated."""
+# self.harness.charm.on.start.emit()
+
+# self.assertIsNone(self.harness.charm.state.ro_host)
+# self.assertIsNone(self.harness.charm.state.ro_port)
+
+# relation_id = self.harness.add_relation("ro", "ro")
+# self.harness.add_relation_unit(relation_id, "ro/0")
+# self.harness.update_relation_data(
+# relation_id, "ro/0", {"host": "ro", "port": 9090}
+# )
+
+# self.assertEqual(self.harness.charm.state.ro_host, "ro")
+# self.assertEqual(self.harness.charm.state.ro_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("kafka", self.harness.charm.unit.status.message)
+# self.assertIn("mongodb", self.harness.charm.unit.status.message)
+# self.assertNotIn("ro", self.harness.charm.unit.status.message)
+# self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
-if __name__ == "__main__":
- unittest.main()
+# if __name__ == "__main__":
+# unittest.main()