+ # 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"]
+ )
+ )
+
+ 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 (internal)"
+ self.initialize_kafka_relation()
+ self.initialize_mongo_config()
+ # Verifying status
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ def test_with_relations(
+ self,
+ ) -> NoReturn:
+ "Test with relations (internal)"
+ self.initialize_kafka_relation()
+ self.initialize_mongo_relation()
+ # Verifying status
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ def test_exception_mongodb_relation_and_config(
+ self,
+ ) -> NoReturn:
+ "Test with relation and config for Mongodb. Test must fail"
+ self.initialize_mongo_relation()
+ self.initialize_mongo_config()
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ 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(
+ kafka_relation_id, "kafka/0", {"host": "kafka", "port": 9092}
+ )
+
+ def initialize_mongo_config(self):
+ self.harness.update_config({"mongodb_uri": "mongodb://mongo:27017"})
+
+ 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"},
+ )
+