import os import time import unittest import xml.etree.ElementTree as ET from unittest.mock import patch from sia.entry.background_entry import BackgroundEntry from sia.entry import Entry from sia.entry.parse_error_entry import ParseErrorEntry from sia.entry.read_entry import ReadEntry from sia.entry.reasoning_entry import ReasoningEntry from sia.web_io_buffer import WebIOBuffer from sia.working_memory import WorkingMemory from sia.entry.write_entry import WriteEntry class MockEntry(Entry): """Mock entry class for testing""" def __init__(self, id: str): super().__init__(id) self.updated = False self.cleaned_up = False def update(self) -> None: self.updated = True def cleanup(self) -> None: self.cleaned_up = True def generate_context(self) -> ET.Element: elem = ET.Element("mock", {"id": self.id}) elem.text = "" return elem class WorkingMemoryTest(unittest.TestCase): def setUp(self): """Set up test cases with a fresh working memory""" self.memory = WorkingMemory() self.work_dir = os.getcwd() # Use current directory for tests def wait_for_process_start(self, entry: BackgroundEntry, timeout=1.0): """Wait for process to start, checking context pid""" start_time = time.time() while time.time() - start_time < timeout: entry.update() context = entry.generate_context() if context.get("pid") is not None: return True time.sleep(0.1) return False def test_initialization(self): """Test initial state of working memory""" self.assertEqual(self.memory.get_entries_count(), 0) self.assertEqual(self.memory.generate_context(), []) def test_add_entry(self): """Test adding entries""" entry = MockEntry("test-id-1") self.memory.add_entry(entry) self.assertEqual(self.memory.get_entries_count(), 1) self.assertEqual(self.memory.get_entry("test-id-1"), entry) def test_add_invalid_entry(self): """Test adding invalid entry type""" with self.assertRaises(TypeError): self.memory.add_entry("not an entry") def test_remove_entry(self): """Test removing entries""" entry1 = MockEntry("test-id-1") entry2 = MockEntry("test-id-2") self.memory.add_entry(entry1) self.memory.add_entry(entry2) self.memory.remove_entry("test-id-1") self.assertEqual(self.memory.get_entries_count(), 1) self.assertIsNone(self.memory.get_entry("test-id-1")) self.assertEqual(self.memory.get_entry("test-id-2"), entry2) def test_remove_nonexistent_entry(self): """Test removing entry that doesn't exist""" entry = MockEntry("test-id-1") self.memory.add_entry(entry) self.memory.remove_entry("nonexistent-id") self.assertEqual(self.memory.get_entries_count(), 1) self.assertEqual(self.memory.get_entry("test-id-1"), entry) def test_update_entries(self): """Test updating all entries""" entries = [ MockEntry(f"test-id-{i}") for i in range(3) ] for entry in entries: self.memory.add_entry(entry) self.memory.update() for entry in entries: self.assertTrue(entry.updated) def test_generate_context(self): """Test generating XML context""" entry1 = MockEntry("test-id-1") entry2 = MockEntry("test-id-2") self.memory.add_entry(entry1) self.memory.add_entry(entry2) context = self.memory.generate_context() self.assertEqual(len(context), 2) self.assertEqual(context[0].tag, "mock") self.assertEqual(context[0].get("id"), "test-id-1") self.assertEqual(context[1].tag, "mock") self.assertEqual(context[1].get("id"), "test-id-2") def test_get_entries_by_type(self): """Test retrieving entries by type""" # Create IO buffer for IO entries io_buffer = WebIOBuffer() # Add different types of entries entries = [ ReasoningEntry("reasoning-1", "test reasoning"), ParseErrorEntry("error-1", "bad content", "error msg"), ReadEntry("read-1", io_buffer), WriteEntry("write-1", "test output", io_buffer) ] for entry in entries: self.memory.add_entry(entry) # Test filtering by each type reasoning_entries = [e for e in self.memory.get_entries() if isinstance(e, ReasoningEntry)] self.assertEqual(len(reasoning_entries), 1) self.assertIsInstance(reasoning_entries[0], ReasoningEntry) error_entries = [e for e in self.memory.get_entries() if isinstance(e, ParseErrorEntry)] self.assertEqual(len(error_entries), 1) self.assertIsInstance(error_entries[0], ParseErrorEntry) read_entries = [e for e in self.memory.get_entries() if isinstance(e, ReadEntry)] self.assertEqual(len(read_entries), 1) self.assertIsInstance(read_entries[0], ReadEntry) write_entries = [e for e in self.memory.get_entries() if isinstance(e, WriteEntry)] self.assertEqual(len(write_entries), 1) self.assertIsInstance(write_entries[0], WriteEntry) def test_empty_context_generation(self): """Test context generation with no entries""" context = self.memory.generate_context() self.assertEqual(context, []) def test_get_nonexistent_entry(self): """Test retrieving entry that doesn't exist""" self.assertIsNone(self.memory.get_entry("nonexistent-id")) def test_remove_entry_cleanup(self): """Test that removing an entry triggers cleanup""" # Create and start background process entry = BackgroundEntry("test-id", self.work_dir, "sleep 10") self.memory.add_entry(entry) # Wait for process to start and get PID self.assertTrue(self.wait_for_process_start(entry)) context = entry.generate_context() pid = int(context.get("pid")) # Mock os.kill to verify it's called with the correct signals with patch('os.kill') as mock_kill: # Remove entry self.memory.remove_entry(entry.id) # Verify kill was called mock_kill.assert_called() def test_cleanup_on_memory_clear(self): """Test that clearing memory properly cleans up all entries""" # Use MockEntry with cleanup tracking entries = [MockEntry(f"id-{i}") for i in range(3)] for entry in entries: self.memory.add_entry(entry) # Clear memory self.memory.clear() # Verify all entries were cleaned up for entry in entries: self.assertTrue(entry.cleaned_up) self.assertEqual(self.memory.get_entries_count(), 0) def test_cleanup_on_memory_deletion(self): """Test that deleting memory properly cleans up all entries""" # Use a mock entry that tracks cleanup entry = MockEntry("test-id") # Patch the __del__ method of WorkingMemory to ensure it calls clear() with patch.object(WorkingMemory, '__del__', lambda self: self.clear()): # Create a new memory instance to delete test_memory = WorkingMemory() test_memory.add_entry(entry) # Explicitly call del to trigger the patched __del__ method test_memory.__del__() # Verify entry was cleaned up self.assertTrue(entry.cleaned_up) def test_get_entries(self): """Test getting all entries""" # Add multiple entries entries = [ ReasoningEntry(f"id-{i}", f"content {i}") for i in range(3) ] for entry in entries: self.memory.add_entry(entry) # Get all entries retrieved_entries = self.memory.get_entries() # Verify count and contents self.assertEqual(len(retrieved_entries), len(entries)) for entry in entries: self.assertIn(entry, retrieved_entries) def test_get_entries_returns_copy(self): """Test that get_entries returns a copy of the list""" # Add an entry entry = ReasoningEntry("test-id", "test content") self.memory.add_entry(entry) # Get entries and modify the returned list entries = self.memory.get_entries() entries.clear() # Verify original memory is unchanged self.assertEqual(self.memory.get_entries_count(), 1) self.assertIsNotNone(self.memory.get_entry("test-id"))