fix: made beliefs a dict of lists

[
    Before it was a list of a dict of lists of lists of strings
    now it is a dict of lists of lists of strings as prescribed by architecture (knowledge base)
    *also added some tests, but will have to add some more
]

[ref]: N25B-206

test/unit/agents/bdi/behaviours/test_continuous_collect.py

@@ -0,0 +1,90 @@
+import json
+import logging
+from unittest.mock import MagicMock, AsyncMock, call
+
+import pytest
+
+from control_backend.agents.belief_collector.behaviours.continuous_collect import ContinuousBeliefCollector
+
+@pytest.fixture
+def mock_agent(mocker):
+    """Fixture to create a mock Agent."""
+    agent = MagicMock()
+    agent.jid = "belief_collector_agent@test"
+    return agent
+
+@pytest.fixture
+def continuous_collector(mock_agent, mocker):
+    """Fixture to create an instance of ContinuousBeliefCollector with a mocked agent."""
+    # Patch asyncio.sleep to prevent tests from actually waiting
+    mocker.patch("asyncio.sleep", return_value=None)
+    
+    collector = ContinuousBeliefCollector()
+    collector.agent = mock_agent
+    # Mock the receive method, we will control its return value in each test
+    collector.receive = AsyncMock()
+    return collector
+
+@pytest.mark.asyncio
+async def test_run_no_message_received(continuous_collector, mocker):
+    """
+    Test that when no message is received, _process_message is not called.
+    """
+    # Arrange
+    continuous_collector.receive.return_value = None
+    mocker.patch.object(continuous_collector, "_process_message")
+
+    # Act
+    await continuous_collector.run()
+
+    # Assert
+    continuous_collector._process_message.assert_not_called()
+
+@pytest.mark.asyncio
+async def test_run_message_received(continuous_collector, mocker):
+    """
+    Test that when a message is received, _process_message is called with that message.
+    """
+    # Arrange
+    mock_msg = MagicMock()
+    continuous_collector.receive.return_value = mock_msg
+    mocker.patch.object(continuous_collector, "_process_message")
+
+    # Act
+    await continuous_collector.run()
+
+    # Assert
+    continuous_collector._process_message.assert_awaited_once_with(mock_msg)
+    
+@pytest.mark.asyncio
+async def test_process_message_invalid(continuous_collector, mocker):
+    """
+    Test that when an invalid JSON message is received, a warning is logged and processing stops.
+    """
+    # Arrange
+    invalid_json = "this is not json"
+    msg = MagicMock()
+    msg.body = invalid_json
+    msg.sender = "belief_text_agent_mock@test"
+    
+    logger_mock = mocker.patch("control_backend.agents.belief_collector.behaviours.continuous_collect.logger")
+    
+    # Act
+    await continuous_collector._process_message(msg)
+
+    # Assert
+    logger_mock.warning.assert_called_once()
+
+def test_get_sender_from_message(continuous_collector):
+    """
+    Test that _sender_node correctly extracts the sender node from the message JID.
+    """
+    # Arrange
+    msg = MagicMock()
+    msg.sender = "agent_node@host/resource"
+
+    # Act
+    sender_node = continuous_collector._sender_node(msg)
+
+    # Assert
+    assert sender_node == "agent_node"