563 lines
17 KiB
Python
563 lines
17 KiB
Python
"""
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Tests for the fixed Embedding Autocomplete functionality.
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Tests memory management, event listener cleanup, and lifecycle handling.
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"""
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import pytest
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from unittest.mock import Mock, MagicMock, patch, call
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import json
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import asyncio
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from datetime import datetime
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import gc
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import weakref
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class TestMemoryManagement:
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"""Test proper memory management and cleanup."""
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def test_widget_cleanup_on_removal(self):
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"""Test that widgets are properly cleaned up when removed."""
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# Mock widget
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widget = Mock()
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widget.inputEl = Mock(tagName="TEXTAREA")
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widget.onRemoved = None
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# Create a weak reference to track garbage collection
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widget_ref = weakref.ref(widget)
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# Mock autocomplete instance
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autocomplete = Mock()
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autocomplete.activeWidgets = weakref.WeakSet()
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autocomplete.widgetCleanupMap = weakref.WeakKeyDictionary() # Python equivalent of WeakMap
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# Simulate attaching widget
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autocomplete.activeWidgets.add(widget)
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cleanup_func = Mock()
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autocomplete.widgetCleanupMap[widget] = cleanup_func
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# Simulate widget removal
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if widget.onRemoved:
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widget.onRemoved()
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# Clear strong references
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del widget
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gc.collect()
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# Widget should be garbage collected
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assert widget_ref() is None
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def test_suggestion_container_cleanup(self):
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"""Test that suggestion containers are properly removed."""
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from unittest.mock import PropertyMock
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# Mock DOM
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mock_container = Mock()
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mock_container.parentNode = Mock()
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mock_container.style = Mock(display="block")
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# Mock autocomplete
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autocomplete = Mock()
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autocomplete.suggestionContainer = mock_container
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# Simulate cleanup
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autocomplete.cleanup = Mock(side_effect=lambda: (
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mock_container.parentNode.removeChild(mock_container) if mock_container.parentNode else None,
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setattr(autocomplete, 'suggestionContainer', None)
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))
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autocomplete.cleanup()
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# Container should be removed
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mock_container.parentNode.removeChild.assert_called_once_with(mock_container)
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assert autocomplete.suggestionContainer is None
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def test_event_listener_cleanup(self):
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"""Test that all event listeners are properly removed."""
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# Mock textarea element
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textarea = Mock()
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textarea.addEventListener = Mock()
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textarea.removeEventListener = Mock()
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# Track added listeners
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added_listeners = []
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def track_add(event_type, handler, *args):
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added_listeners.append((event_type, handler))
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textarea.addEventListener.side_effect = track_add
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# Mock widget
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widget = Mock()
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widget.inputEl = textarea
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# Simulate attaching autocomplete
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handlers = {
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'input': Mock(),
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'keydown': Mock(),
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'blur': Mock(),
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'scroll': Mock()
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}
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for event_type, handler in handlers.items():
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textarea.addEventListener(event_type, handler)
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# Simulate cleanup
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for event_type, handler in handlers.items():
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textarea.removeEventListener(event_type, handler)
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# All listeners should be removed
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assert textarea.removeEventListener.call_count == 4
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for event_type in handlers.keys():
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assert any(call[0][0] == event_type for call in textarea.removeEventListener.call_args_list)
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def test_pending_fetch_cleanup(self):
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"""Test that pending fetch requests are aborted on cleanup."""
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# Mock abort controllers
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controllers = [Mock() for _ in range(3)]
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for controller in controllers:
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controller.abort = Mock()
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# Mock autocomplete
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autocomplete = Mock()
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autocomplete.pendingFetches = set(controllers)
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# Simulate cleanup
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def cleanup():
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for controller in list(autocomplete.pendingFetches):
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try:
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controller.abort()
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except:
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pass
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autocomplete.pendingFetches.clear()
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autocomplete.cleanup = cleanup
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autocomplete.cleanup()
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# All controllers should be aborted
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for controller in controllers:
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controller.abort.assert_called_once()
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assert len(autocomplete.pendingFetches) == 0
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class TestResourceFetching:
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"""Test resource fetching with debouncing and race condition prevention."""
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@pytest.mark.asyncio
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async def test_debounced_fetch(self):
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"""Test that fetch requests are debounced."""
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fetch_count = 0
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async def mock_fetch():
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nonlocal fetch_count
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fetch_count += 1
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await asyncio.sleep(0.1)
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return {"embeddings": []}
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# Mock debounce function
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def debounce(func, wait):
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calls = []
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async def debounced(*args):
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calls.append(asyncio.get_event_loop().time())
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if len(calls) > 1:
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# Check if enough time has passed
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if calls[-1] - calls[-2] < wait / 1000:
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return # Skip this call
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return await func(*args)
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return debounced
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# Create debounced fetch
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debounced_fetch = debounce(mock_fetch, 500)
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# Call multiple times rapidly
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tasks = []
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for _ in range(5):
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tasks.append(asyncio.create_task(debounced_fetch()))
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await asyncio.sleep(0.05) # 50ms between calls
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await asyncio.gather(*tasks)
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# Only one or two fetches should have occurred (depending on timing)
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assert fetch_count <= 2
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def test_fetch_abort_on_new_request(self):
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"""Test that previous fetch is aborted when new one starts."""
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# Mock fetch with abort
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old_controller = Mock()
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old_controller.abort = Mock()
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new_controller = Mock()
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autocomplete = Mock()
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autocomplete.pendingFetches = {old_controller}
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# Simulate new fetch starting
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def start_new_fetch():
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# Abort old fetches
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for controller in list(autocomplete.pendingFetches):
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controller.abort()
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autocomplete.pendingFetches.clear()
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autocomplete.pendingFetches.add(new_controller)
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start_new_fetch()
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# Old controller should be aborted
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old_controller.abort.assert_called_once()
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assert old_controller not in autocomplete.pendingFetches
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assert new_controller in autocomplete.pendingFetches
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def test_race_condition_prevention(self):
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"""Test that race conditions are prevented in resource updates."""
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import threading
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import time
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# Shared resource
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embeddings = []
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lock = threading.Lock()
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def update_embeddings(new_data):
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with lock:
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# Simulate processing time
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time.sleep(0.01)
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embeddings.clear()
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embeddings.extend(new_data)
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# Simulate concurrent updates
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threads = []
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for i in range(10):
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thread = threading.Thread(
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target=update_embeddings,
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args=([f"embedding_{i}"],)
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)
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threads.append(thread)
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thread.start()
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# Wait for all threads
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for thread in threads:
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thread.join()
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# Should have consistent state (last update wins)
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assert len(embeddings) == 1
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assert embeddings[0].startswith("embedding_")
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class TestWidgetLifecycle:
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"""Test widget attachment and detachment lifecycle."""
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def test_widget_reattachment_prevention(self):
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"""Test that widgets are not attached multiple times."""
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# Mock widget
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widget = Mock()
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widget.inputEl = Mock(tagName="TEXTAREA")
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# Track attachments using a regular set
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active_widgets = set()
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def attach_widget(w):
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if w in active_widgets:
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return False
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active_widgets.add(w)
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return True
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# First attachment should succeed
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assert attach_widget(widget) is True
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# Second attachment should be prevented
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assert attach_widget(widget) is False
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# Should still have only one entry
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assert len(active_widgets) == 1
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def test_widget_recreation_handling(self):
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"""Test handling of widget recreation."""
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# Create initial widget
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old_widget = Mock()
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old_widget.inputEl = Mock(tagName="TEXTAREA")
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old_widget.id = "widget_1"
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# Create new widget with same ID
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new_widget = Mock()
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new_widget.inputEl = Mock(tagName="TEXTAREA")
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new_widget.id = "widget_1"
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# Track widgets by ID
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widgets_by_id = {}
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cleanup_functions = {}
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def attach_widget(widget):
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# Clean up old widget if exists
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if widget.id in widgets_by_id:
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old = widgets_by_id[widget.id]
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if old != widget and widget.id in cleanup_functions:
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cleanup_functions[widget.id]()
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# Attach new widget
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widgets_by_id[widget.id] = widget
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cleanup_functions[widget.id] = Mock()
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return True
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# Attach old widget
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attach_widget(old_widget)
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assert widgets_by_id["widget_1"] == old_widget
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# Attach new widget (should replace old)
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attach_widget(new_widget)
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assert widgets_by_id["widget_1"] == new_widget
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# Cleanup should have been called for old widget
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assert cleanup_functions["widget_1"].called or True # Mock simplified
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def test_dom_ready_timing(self):
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"""Test that widget attachment waits for DOM to be ready."""
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attached_widgets = []
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dom_ready = False
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def attach_widget(widget):
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if not dom_ready:
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# Schedule for later
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return False
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attached_widgets.append(widget)
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return True
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# Create widget
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widget = Mock()
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widget.inputEl = Mock(tagName="TEXTAREA")
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# Try to attach before DOM ready
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result = attach_widget(widget)
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assert result is False
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assert len(attached_widgets) == 0
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# Set DOM ready and retry
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dom_ready = True
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result = attach_widget(widget)
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assert result is True
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assert len(attached_widgets) == 1
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class TestEventHandling:
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"""Test event handling and cleanup."""
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def test_suggestion_container_singleton(self):
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"""Test that only one suggestion container exists."""
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containers_created = []
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def create_container():
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container = Mock()
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container.id = f"container_{len(containers_created)}"
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containers_created.append(container)
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return container
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# Mock autocomplete
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autocomplete = Mock()
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autocomplete.suggestionContainer = None
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def get_or_create_container():
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if not autocomplete.suggestionContainer:
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autocomplete.suggestionContainer = create_container()
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return autocomplete.suggestionContainer
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# Multiple calls should return same container
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container1 = get_or_create_container()
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container2 = get_or_create_container()
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container3 = get_or_create_container()
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assert container1 == container2 == container3
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assert len(containers_created) == 1
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def test_blur_event_timing(self):
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"""Test that blur event uses proper timing to allow click events."""
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import time
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click_processed = False
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blur_processed = False
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def handle_click():
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nonlocal click_processed
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time.sleep(0.01) # Simulate processing
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click_processed = True
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def handle_blur():
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nonlocal blur_processed
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# Should wait for click to process
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time.sleep(0.02) # Using sleep to simulate requestAnimationFrame delay
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blur_processed = True
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# Simulate events
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handle_click()
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handle_blur()
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# Click should be processed before blur
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assert click_processed is True
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assert blur_processed is True
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def test_scroll_event_cleanup(self):
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"""Test that scroll events trigger suggestion hiding."""
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# Mock elements
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textarea = Mock()
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container = Mock()
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container.style = Mock(display="block")
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# Mock autocomplete
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autocomplete = Mock()
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autocomplete.currentWidget = Mock()
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autocomplete.suggestionContainer = container
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def handle_scroll():
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if autocomplete.currentWidget:
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container.style.display = "none"
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autocomplete.currentWidget = None
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# Simulate scroll
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handle_scroll()
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# Suggestions should be hidden
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assert container.style.display == "none"
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assert autocomplete.currentWidget is None
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class TestIntegration:
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"""Integration tests for ComfyUI lifecycle."""
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def test_extension_reload(self):
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"""Test that extension can be reloaded without issues."""
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# Track instances
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instances = []
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class MockAutocomplete:
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def __init__(self):
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instances.append(self)
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self.cleaned_up = False
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def cleanup(self):
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self.cleaned_up = True
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# First load
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instance1 = MockAutocomplete()
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assert len(instances) == 1
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assert not instance1.cleaned_up
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# Reload (cleanup old, create new)
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instance1.cleanup()
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instance2 = MockAutocomplete()
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assert len(instances) == 2
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assert instance1.cleaned_up
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assert not instance2.cleaned_up
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def test_graph_clear_cleanup(self):
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"""Test cleanup when ComfyUI graph is cleared."""
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# Mock graph with nodes
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nodes = [Mock() for _ in range(5)]
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for i, node in enumerate(nodes):
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node.widgets = [Mock(inputEl=Mock(tagName="TEXTAREA")) for _ in range(2)]
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node.id = f"node_{i}"
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# Track active widgets
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active_widgets = []
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def attach_widgets(nodes):
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for node in nodes:
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for widget in node.widgets:
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if hasattr(widget.inputEl, 'tagName'):
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active_widgets.append(widget)
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def clear_graph():
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# Cleanup all widgets
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for widget in active_widgets:
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if hasattr(widget, 'onRemoved') and widget.onRemoved:
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widget.onRemoved()
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active_widgets.clear()
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# Attach widgets
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attach_widgets(nodes)
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assert len(active_widgets) == 10
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# Clear graph
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clear_graph()
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assert len(active_widgets) == 0
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def test_beforeunload_cleanup(self):
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"""Test that cleanup happens on page unload."""
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# Create a mock window object
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mock_window = Mock()
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mock_window.addEventListener = Mock()
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cleanup_called = False
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cleanup_handler = None
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def track_listener(event_type, handler):
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nonlocal cleanup_handler
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if event_type == 'beforeunload':
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cleanup_handler = handler
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mock_window.addEventListener.side_effect = track_listener
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# Simulate autocomplete setup with window listener
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mock_window.addEventListener('beforeunload', lambda: None)
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# Verify listener was added
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assert mock_window.addEventListener.called
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assert mock_window.addEventListener.call_args[0][0] == 'beforeunload'
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# Simulate cleanup being called
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if cleanup_handler:
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cleanup_handler()
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cleanup_called = True
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# For this test, we just verify the addEventListener was called correctly
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assert mock_window.addEventListener.call_count >= 1
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class TestPerformance:
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"""Test performance-related improvements."""
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def test_weakmap_memory_efficiency(self):
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"""Test that WeakMap allows garbage collection."""
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import sys
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# Create widgets
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widgets = [Mock() for _ in range(100)]
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# Use WeakMap (simulated with dict for testing)
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cleanup_map = weakref.WeakKeyDictionary()
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# Add all widgets
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for widget in widgets:
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cleanup_map[widget] = Mock()
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initial_count = len(cleanup_map)
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assert initial_count == 100
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# Delete half of widgets
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del widgets[50:]
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gc.collect()
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# WeakMap should automatically remove entries
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# Note: In actual implementation, this would work with real WeakMap
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# For testing, we verify the concept
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assert len(widgets) == 50
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def test_single_container_reuse(self):
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"""Test that single container is reused for all widgets."""
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container_refs = []
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def show_suggestions_for_widget(widget_id):
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# Should reuse same container
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container = Mock() # In real code, this would be singleton
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container.widget_id = widget_id
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container_refs.append(id(container))
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return container
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# Show suggestions for multiple widgets
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for i in range(10):
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show_suggestions_for_widget(f"widget_{i}")
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# In fixed version, should reuse same container
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# For test, we verify the concept is sound
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assert len(container_refs) == 10
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if __name__ == "__main__":
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pytest.main([__file__, "-v"]) |