diff --git a/simulation-system/libs/csle-common/tests/test_aggregated_ossec_ids_log_consumer_thread.py b/simulation-system/libs/csle-common/tests/test_aggregated_ossec_ids_log_consumer_thread.py
new file mode 100644
index 000000000..9b7f880f3
--- /dev/null
+++ b/simulation-system/libs/csle-common/tests/test_aggregated_ossec_ids_log_consumer_thread.py
@@ -0,0 +1,53 @@
+from unittest.mock import MagicMock,patch
+from csle_common.consumer_threads.aggregated_ossec_ids_log_consumer_thread import AggregatedOSSECIdsLogConsumerThread
+
+
+class TestSuiteAggregatedOSSECIdsLogConsumerThread:
+    """
+    Test suite for AggregatedOSSECIdsLogConsumerThread
+    """
+
+    def test_initialization(self) -> None:
+        """_summary_"""
+        kafka_server_ip = "127.0.0.1"
+        kafka_port = 9092
+        alert_counters = MagicMock()
+        auto_offset_reset = "earliest"
+
+        thread = AggregatedOSSECIdsLogConsumerThread(
+            kafka_server_ip=kafka_server_ip,
+            kafka_port=kafka_port,
+            ossec_ids_alert_counters=alert_counters,
+            auto_offset_reset=auto_offset_reset,
+        )
+        assert thread.running
+        assert thread.kafka_server_ip == kafka_server_ip
+        assert thread.kafka_port == kafka_port
+        assert thread.ossec_ids_alert_counters == alert_counters
+
+    def test_get_aggregated_ids_alert_counters(self) -> None:
+        """
+        Test the method that returns the aggregated alert counters from the list
+
+        :return: None
+        """
+        mock_alert_counters_1 = MagicMock()
+        mock_alert_counters_2 = MagicMock()
+        mock_alert_counters_1.copy.return_value = mock_alert_counters_1
+        mock_alert_counters_2.copy.return_value = mock_alert_counters_2
+        mock_alert_counters_1.add = MagicMock()
+        kafka_server_ip = "127.0.0.1"
+        kafka_port = 9092
+        alert_counters = MagicMock()
+        auto_offset_reset = "earliest"
+        thread = AggregatedOSSECIdsLogConsumerThread(
+            kafka_server_ip=kafka_server_ip,
+            kafka_port=kafka_port,
+            ossec_ids_alert_counters=alert_counters,
+            auto_offset_reset=auto_offset_reset,
+        )
+        thread.ossec_ids_alert_counters_list = []
+        thread.ossec_ids_alert_counters = mock_alert_counters_1
+
+        result = thread.get_aggregated_ids_alert_counters()
+        assert result == mock_alert_counters_1.copy.return_value