Files
LEDMatrix/test/test_plugin_system.py
T
ChuckBuildsandClaude Sonnet 5 d86dc5914b fix(plugins): replace dependency marker files with a real satisfaction check
The .dependencies_installed hash-marker system only tracked "was this exact
requirements.txt hashed before" — not whether the packages it names are
actually present. That made it fragile (a wiped venv, a manually removed
package, or a lost/corrupted marker forces a needless full pip reinstall or,
worse, a false skip) and produced dead weight for the ~10 plugins whose
requirements.txt is comment-only (they still paid a pip subprocess on first
boot before a marker existed).

Replace it with requirements_are_satisfied() in plugin_loader.py, which
checks each real requirement line against importlib.metadata directly, so
install_dependencies() only shells out to pip when something is actually
missing or version-mismatched. Drops the marker file entirely: removed all
marker read/write sites in plugin_loader.py and store_manager.py, the
now-pointless marker-cleanup step in the git-update path, the unused legacy
marker implementation in plugin_manager.py, and the already-stale
clear_dependency_markers.sh script.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KEZK1P1Q1fu5pcuVrkrCFZ
2026-07-10 12:08:22 -04:00

198 lines
8.1 KiB
Python

import time
from unittest.mock import MagicMock, patch
from pathlib import Path
from src.plugin_system.plugin_manager import PluginManager
from src.plugin_system.plugin_state import PluginState
class TestPluginManager:
"""Test PluginManager functionality."""
def test_init(self, mock_config_manager, mock_display_manager, mock_cache_manager):
"""Test PluginManager initialization."""
with patch('src.plugin_system.plugin_manager.ensure_directory_permissions'):
pm = PluginManager(
plugins_dir="plugins",
config_manager=mock_config_manager,
display_manager=mock_display_manager,
cache_manager=mock_cache_manager
)
assert pm.plugins_dir == Path("plugins")
assert pm.config_manager == mock_config_manager
assert pm.display_manager == mock_display_manager
assert pm.cache_manager == mock_cache_manager
assert pm.plugins == {}
def test_discover_plugins(self, test_plugin_manager):
"""Test plugin discovery."""
pm = test_plugin_manager
# Mock _scan_directory_for_plugins since we can't easily create real files in fixture
pm._scan_directory_for_plugins = MagicMock(return_value=["plugin1", "plugin2"])
# We need to call the real discover_plugins method, not the mock from the fixture
# But the fixture mocks the whole class instance.
# Let's create a real instance with mocked dependencies for this test
pass # Handled by separate test below
def test_load_plugin_success(self, mock_config_manager, mock_display_manager, mock_cache_manager):
"""Test successful plugin loading."""
with patch('src.plugin_system.plugin_manager.ensure_directory_permissions'), \
patch('src.plugin_system.plugin_manager.PluginManager._scan_directory_for_plugins'), \
patch('src.plugin_system.plugin_manager.PluginLoader') as MockLoader, \
patch('src.plugin_system.plugin_manager.SchemaManager'):
pm = PluginManager(
plugins_dir="plugins",
config_manager=mock_config_manager,
display_manager=mock_display_manager,
cache_manager=mock_cache_manager
)
# Setup mocks
pm.plugin_manifests = {"test_plugin": {"id": "test_plugin", "name": "Test Plugin"}}
mock_loader = MockLoader.return_value
mock_loader.find_plugin_directory.return_value = Path("plugins/test_plugin")
mock_loader.load_plugin.return_value = (MagicMock(), MagicMock())
# Test loading
result = pm.load_plugin("test_plugin")
assert result is True
assert "test_plugin" in pm.plugin_modules
# PluginManager sets state to ENABLED after successful load
assert pm.state_manager.get_state("test_plugin") == PluginState.ENABLED
def test_load_plugin_missing_manifest(self, mock_config_manager, mock_display_manager, mock_cache_manager):
"""Test loading plugin with missing manifest."""
with patch('src.plugin_system.plugin_manager.ensure_directory_permissions'):
pm = PluginManager(
plugins_dir="plugins",
config_manager=mock_config_manager,
display_manager=mock_display_manager,
cache_manager=mock_cache_manager
)
# No manifest in pm.plugin_manifests
result = pm.load_plugin("non_existent_plugin")
assert result is False
assert pm.state_manager.get_state("non_existent_plugin") == PluginState.ERROR
class TestPluginLoader:
"""Test PluginLoader functionality."""
def test_dependency_check(self):
"""Test dependency checking logic."""
# Covered by test_plugin_loader.py's install_dependencies tests,
# which exercise requirements_has_real_deps/requirements_are_satisfied
# and the pip subprocess fallback.
class TestPluginExecutor:
"""Test PluginExecutor functionality."""
def test_execute_display_success(self):
"""Test successful display execution."""
from src.plugin_system.plugin_executor import PluginExecutor
executor = PluginExecutor()
mock_plugin = MagicMock()
mock_plugin.display.return_value = True
result = executor.execute_display(mock_plugin, "test_plugin")
assert result is True
mock_plugin.display.assert_called_once()
def test_execute_display_exception(self):
"""Test display execution with exception."""
from src.plugin_system.plugin_executor import PluginExecutor
executor = PluginExecutor()
mock_plugin = MagicMock()
mock_plugin.display.side_effect = Exception("Test error")
result = executor.execute_display(mock_plugin, "test_plugin")
assert result is False
def test_execute_update_timeout(self):
"""Test update execution timeout."""
# Using a very short timeout for testing
from src.plugin_system.plugin_executor import PluginExecutor
executor = PluginExecutor(default_timeout=0.01)
mock_plugin = MagicMock()
def slow_update():
time.sleep(0.05)
mock_plugin.update.side_effect = slow_update
result = executor.execute_update(mock_plugin, "test_plugin")
assert result is False
class TestPluginHealth:
"""Test plugin health monitoring."""
def test_circuit_breaker(self, mock_cache_manager):
"""Test circuit breaker activation."""
from src.plugin_system.plugin_health import PluginHealthTracker
tracker = PluginHealthTracker(cache_manager=mock_cache_manager, failure_threshold=3, cooldown_period=60)
plugin_id = "test_plugin"
# Initial state
assert tracker.should_skip_plugin(plugin_id) is False
# Failures
tracker.record_failure(plugin_id, Exception("Error 1"))
assert tracker.should_skip_plugin(plugin_id) is False
tracker.record_failure(plugin_id, Exception("Error 2"))
assert tracker.should_skip_plugin(plugin_id) is False
tracker.record_failure(plugin_id, Exception("Error 3"))
# Should trip now
assert tracker.should_skip_plugin(plugin_id) is True
# Recovery (simulate timeout - need to update health state correctly)
if plugin_id in tracker._health_state:
tracker._health_state[plugin_id]["last_failure"] = time.time() - 61
tracker._health_state[plugin_id]["circuit_state"] = "closed"
assert tracker.should_skip_plugin(plugin_id) is False
class TestBasePlugin:
"""Test BasePlugin functionality."""
def test_dynamic_duration_defaults(self, mock_display_manager, mock_cache_manager):
"""Test default dynamic duration behavior."""
from src.plugin_system.base_plugin import BasePlugin
# Concrete implementation for testing
class ConcretePlugin(BasePlugin):
def update(self): pass
def display(self, force_clear=False): pass
config = {"enabled": True}
plugin = ConcretePlugin("test", config, mock_display_manager, mock_cache_manager, None)
assert plugin.supports_dynamic_duration() is False
assert plugin.get_dynamic_duration_cap() is None
assert plugin.is_cycle_complete() is True
def test_live_priority_config(self, mock_display_manager, mock_cache_manager):
"""Test live priority configuration."""
from src.plugin_system.base_plugin import BasePlugin
class ConcretePlugin(BasePlugin):
def update(self): pass
def display(self, force_clear=False): pass
config = {"enabled": True, "live_priority": True}
plugin = ConcretePlugin("test", config, mock_display_manager, mock_cache_manager, None)
assert plugin.has_live_priority() is True