SIENTIAPDE-988

Add temporary functiontal tests, that must be removed soon.

Refactor tests: Remove outdated resource manager tests and add functional tests with Docker and Kafka integration

- Deleted existing unit tests for ResourceManager.
- Introduced new functional tests for single node operations with Redis and Kafka.
- Added Docker Compose setup for test environment.
- Implemented fixtures for Redis and Kafka consumers.
- Created comprehensive tests for data publishing and slot management.
- Added unit tests for DataManager and IngestorManager with mocked dependencies.
- Included tests for OpcManager covering connection, subscription, and data change notifications.

tests/unit/managers/test_data_manager.py

@@ -0,0 +1,68 @@
+from unittest.mock import MagicMock, patch
+from pytest import fixture
+
+from ingestor.managers.data_manager import DataManager
+
+
+@fixture
+@patch("ingestor.managers.data_manager.KafkaProducer")
+def data_manager(kafka):
+    return DataManager(
+        kafka_servers="localhost:9092",
+        logger=MagicMock()
+    )
+
+
+def test___del__(data_manager):
+    flush_mock = MagicMock()
+    close_mock = MagicMock()
+
+    data_manager.kafka_producer.flush = flush_mock
+    data_manager.kafka_producer.close = close_mock
+
+    data_manager.__del__()
+    flush_mock.assert_called_once()
+    close_mock.assert_called_once()
+
+
+def test_delivery_report(data_manager):
+    msg = MagicMock()
+    msg.topic = "test_topic"
+    msg.partition = 0
+    msg.offset = 1
+
+    data_manager.delivery_report(msg)
+
+    data_manager.logger.info.assert_called_once_with(
+        f"Record successfully produced to {msg.topic} [{msg.partition}] at offset {msg.offset}"
+    )
+
+
+def test_delivery_error(data_manager):
+    err = "Test error"
+    data_manager.delivery_error(err)
+
+    data_manager.logger.error.assert_called_once_with(
+        f"Delivery failed for record : {err}"
+    )
+
+
+def test_publish(data_manager):
+    topic = "test_topic"
+    data = {"key": "value"}
+
+    # Mock the send method of the Kafka producer
+    send_mock = MagicMock()
+    data_manager.kafka_producer.send = send_mock
+
+    # Call the publish method
+    data_manager.publish(topic, data)
+
+    # Check if the send method was called with the correct arguments
+    send_mock.assert_called_once_with(
+        topic=topic, value=data
+    )
+
+    send_mock.return_value.add_callback.assert_called_once()
+
+    data_manager.kafka_producer.flush.assert_called_once()