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feat: add error detection, monitoring, and code quality improvements (#223)

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* feat: add error detection, monitoring, and code quality improvements

This comprehensive update addresses automatic error detection, code
quality, and plugin development experience:

## Error Detection & Monitoring
- Add ErrorAggregator service for centralized error tracking
- Add pattern detection for recurring errors (5+ in 60 min)
- Add error dashboard API endpoints (/api/v3/errors/*)
- Integrate error recording into plugin executor

## Code Quality
- Remove 10 silent `except: pass` blocks in sports.py and football.py
- Remove hardcoded debug log paths
- Add pre-commit hooks to prevent future bare except clauses

## Validation & Type Safety
- Add warnings when plugins lack config_schema.json
- Add config key collision detection for plugins
- Improve type coercion logging in BasePlugin

## Testing
- Add test_config_validation_edge_cases.py
- Add test_plugin_loading_failures.py
- Add test_error_aggregator.py

## Documentation
- Add PLUGIN_ERROR_HANDLING.md guide
- Add CONFIG_DEBUGGING.md guide

Note: GitHub Actions CI workflow is available in the plan but requires
workflow scope to push. Add .github/workflows/ci.yml manually.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix: address code review issues

- Fix GitHub issues URL in CONFIG_DEBUGGING.md
- Use RLock in error_aggregator.py to prevent deadlock in export_to_file
- Distinguish missing vs invalid schema files in plugin_manager.py
- Add assertions to test_null_value_for_required_field test
- Remove unused initial_count variable in test_plugin_load_error_recorded
- Add validation for max_age_hours in clear_old_errors API endpoint

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Chuck <chuck@example.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-01-30 10:05:09 -05:00
committed by GitHub
parent 8912501604
commit 8fb2800495
14 changed files with 2330 additions and 202 deletions
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308
test/test_config_validation_edge_cases.py Normal file
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"""
Tests for configuration validation edge cases.
Tests scenarios that commonly cause user configuration errors:
- Invalid JSON in config files
- Missing required fields
- Type mismatches
- Nested object validation
- Array validation
"""
import pytest
import json
from pathlib import Path
from unittest.mock import Mock, patch, MagicMock
import tempfile
import os
# Add project root to path
import sys
project_root = Path(__file__).parent.parent
if str(project_root) not in sys.path:
sys.path.insert(0, str(project_root))
from src.config_manager import ConfigManager
from src.plugin_system.schema_manager import SchemaManager
class TestInvalidJson:
"""Test handling of invalid JSON in config files."""
def test_invalid_json_syntax(self, tmp_path):
"""Config with invalid JSON syntax should be handled gracefully."""
config_file = tmp_path / "config.json"
config_file.write_text("{ invalid json }")
with patch.object(ConfigManager, '_get_config_path', return_value=str(config_file)):
config_manager = ConfigManager(config_dir=str(tmp_path))
# Should not raise, should return empty or default config
config = config_manager.load_config()
assert isinstance(config, dict)
def test_truncated_json(self, tmp_path):
"""Config with truncated JSON should be handled gracefully."""
config_file = tmp_path / "config.json"
config_file.write_text('{"plugin": {"enabled": true') # Missing closing braces
with patch.object(ConfigManager, '_get_config_path', return_value=str(config_file)):
config_manager = ConfigManager(config_dir=str(tmp_path))
config = config_manager.load_config()
assert isinstance(config, dict)
def test_empty_config_file(self, tmp_path):
"""Empty config file should be handled gracefully."""
config_file = tmp_path / "config.json"
config_file.write_text("")
with patch.object(ConfigManager, '_get_config_path', return_value=str(config_file)):
config_manager = ConfigManager(config_dir=str(tmp_path))
config = config_manager.load_config()
assert isinstance(config, dict)
class TestTypeValidation:
"""Test type validation and coercion."""
def test_string_where_number_expected(self):
"""String value where number expected should be handled."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"display_duration": {"type": "number", "default": 15}
}
}
config = {"display_duration": "invalid_string"}
# Validation should fail
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
assert len(errors) > 0
def test_number_where_string_expected(self):
"""Number value where string expected should be handled."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"team_name": {"type": "string", "default": ""}
}
}
config = {"team_name": 12345}
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
assert len(errors) > 0
def test_null_value_for_required_field(self):
"""Null value for required field should be detected."""
schema_manager = SchemaManager()
# Schema that explicitly disallows null for api_key
schema = {
"type": "object",
"properties": {
"api_key": {"type": "string"} # string type doesn't allow null
},
"required": ["api_key"]
}
config = {"api_key": None}
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
# JSON Schema Draft 7: null is not a valid string type
assert not is_valid, "Null value should fail validation for string type"
assert errors, "Should have validation errors"
assert any("api_key" in str(e).lower() or "null" in str(e).lower() or "type" in str(e).lower() for e in errors), \
f"Error should mention api_key, null, or type issue: {errors}"
class TestNestedValidation:
"""Test validation of nested configuration objects."""
def test_nested_object_missing_required(self):
"""Missing required field in nested object should be detected."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"nfl": {
"type": "object",
"properties": {
"enabled": {"type": "boolean", "default": True},
"api_key": {"type": "string"}
},
"required": ["api_key"]
}
}
}
config = {"nfl": {"enabled": True}} # Missing api_key
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
def test_deeply_nested_validation(self):
"""Validation should work for deeply nested objects."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"level1": {
"type": "object",
"properties": {
"level2": {
"type": "object",
"properties": {
"value": {"type": "number", "minimum": 0}
}
}
}
}
}
}
config = {"level1": {"level2": {"value": -5}}} # Invalid: negative
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
class TestArrayValidation:
"""Test validation of array configurations."""
def test_array_min_items(self):
"""Array with fewer items than minItems should fail."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"teams": {
"type": "array",
"items": {"type": "string"},
"minItems": 1
}
}
}
config = {"teams": []} # Empty array, minItems is 1
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
def test_array_max_items(self):
"""Array with more items than maxItems should fail."""
schema_manager = SchemaManager()
schema = {
"type": "object",
"properties": {
"teams": {
"type": "array",
"items": {"type": "string"},
"maxItems": 2
}
}
}
config = {"teams": ["A", "B", "C", "D"]} # 4 items, maxItems is 2
is_valid, errors = schema_manager.validate_config_against_schema(
config, schema, "test-plugin"
)
assert not is_valid
class TestCollisionDetection:
"""Test config key collision detection."""
def test_reserved_key_collision(self):
"""Plugin IDs that conflict with reserved keys should be detected."""
schema_manager = SchemaManager()
plugin_ids = ["display", "custom-plugin", "schedule"]
collisions = schema_manager.detect_config_key_collisions(plugin_ids)
# Should detect 'display' and 'schedule' as collisions
collision_types = [c["type"] for c in collisions]
collision_plugins = [c["plugin_id"] for c in collisions]
assert "reserved_key_collision" in collision_types
assert "display" in collision_plugins
assert "schedule" in collision_plugins
def test_case_collision(self):
"""Plugin IDs that differ only in case should be detected."""
schema_manager = SchemaManager()
plugin_ids = ["football-scoreboard", "Football-Scoreboard", "other-plugin"]
collisions = schema_manager.detect_config_key_collisions(plugin_ids)
case_collisions = [c for c in collisions if c["type"] == "case_collision"]
assert len(case_collisions) == 1
def test_no_collisions(self):
"""Unique plugin IDs should not trigger collisions."""
schema_manager = SchemaManager()
plugin_ids = ["football-scoreboard", "odds-ticker", "weather-display"]
collisions = schema_manager.detect_config_key_collisions(plugin_ids)
assert len(collisions) == 0
class TestDefaultMerging:
"""Test default value merging with user config."""
def test_defaults_applied_to_missing_fields(self):
"""Missing fields should get default values from schema."""
schema_manager = SchemaManager()
defaults = {
"enabled": True,
"display_duration": 15,
"nfl": {"enabled": True}
}
config = {"display_duration": 30} # Only override one field
merged = schema_manager.merge_with_defaults(config, defaults)
assert merged["enabled"] is True # From defaults
assert merged["display_duration"] == 30 # User override
assert merged["nfl"]["enabled"] is True # Nested default
def test_user_values_not_overwritten(self):
"""User-provided values should not be overwritten by defaults."""
schema_manager = SchemaManager()
defaults = {"enabled": True, "display_duration": 15}
config = {"enabled": False, "display_duration": 60}
merged = schema_manager.merge_with_defaults(config, defaults)
assert merged["enabled"] is False
assert merged["display_duration"] == 60

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"""
Tests for the error aggregation service.
Tests:
- Error recording
- Pattern detection
- Error summary generation
- Plugin health tracking
- Thread safety
"""
import pytest
import time
from datetime import datetime, timedelta
from pathlib import Path
from unittest.mock import Mock, patch
import threading
import sys
# Add project root to path
project_root = Path(__file__).parent.parent
if str(project_root) not in sys.path:
sys.path.insert(0, str(project_root))
from src.error_aggregator import (
ErrorAggregator,
ErrorRecord,
ErrorPattern,
get_error_aggregator,
record_error
)
from src.exceptions import PluginError, ConfigError
class TestErrorRecording:
"""Test basic error recording functionality."""
def test_record_error_creates_record(self):
"""Recording an error should create an ErrorRecord."""
aggregator = ErrorAggregator(max_records=100)
error = ValueError("Test error message")
record = aggregator.record_error(
error=error,
plugin_id="test-plugin",
operation="update"
)
assert record.error_type == "ValueError"
assert record.message == "Test error message"
assert record.plugin_id == "test-plugin"
assert record.operation == "update"
assert record.stack_trace is not None
def test_record_error_with_context(self):
"""Error context should be preserved."""
aggregator = ErrorAggregator()
error = ValueError("Test error")
context = {"key": "value", "count": 42}
record = aggregator.record_error(
error=error,
context=context,
plugin_id="test-plugin"
)
assert record.context["key"] == "value"
assert record.context["count"] == 42
def test_ledmatrix_error_context_extracted(self):
"""Context from LEDMatrixError subclasses should be extracted."""
aggregator = ErrorAggregator()
error = PluginError(
"Plugin failed",
plugin_id="failing-plugin",
context={"additional": "info"}
)
record = aggregator.record_error(error=error)
assert "plugin_id" in record.context
assert record.context["additional"] == "info"
def test_max_records_limit(self):
"""Records should not exceed max_records limit."""
aggregator = ErrorAggregator(max_records=5)
for i in range(10):
aggregator.record_error(error=ValueError(f"Error {i}"))
assert len(aggregator._records) == 5
# Oldest records should be removed
assert "Error 5" in aggregator._records[0].message
def test_error_counts_updated(self):
"""Error counts should be updated correctly."""
aggregator = ErrorAggregator()
for _ in range(3):
aggregator.record_error(error=ValueError("Test"))
for _ in range(2):
aggregator.record_error(error=TypeError("Test"))
assert aggregator._error_counts["ValueError"] == 3
assert aggregator._error_counts["TypeError"] == 2
def test_plugin_error_counts_updated(self):
"""Plugin-specific error counts should be updated."""
aggregator = ErrorAggregator()
aggregator.record_error(
error=ValueError("Error 1"),
plugin_id="plugin-a"
)
aggregator.record_error(
error=ValueError("Error 2"),
plugin_id="plugin-a"
)
aggregator.record_error(
error=ValueError("Error 3"),
plugin_id="plugin-b"
)
assert aggregator._plugin_error_counts["plugin-a"]["ValueError"] == 2
assert aggregator._plugin_error_counts["plugin-b"]["ValueError"] == 1
class TestPatternDetection:
"""Test error pattern detection."""
def test_pattern_detected_after_threshold(self):
"""Pattern should be detected after threshold occurrences."""
aggregator = ErrorAggregator(
pattern_threshold=3,
pattern_window_minutes=60
)
# Record 3 errors of same type
for _ in range(3):
aggregator.record_error(error=ValueError("Recurring error"))
assert "ValueError" in aggregator._patterns
def test_pattern_not_detected_below_threshold(self):
"""Pattern should not be detected below threshold."""
aggregator = ErrorAggregator(
pattern_threshold=5,
pattern_window_minutes=60
)
# Record only 2 errors
for _ in range(2):
aggregator.record_error(error=ValueError("Infrequent error"))
assert "ValueError" not in aggregator._patterns
def test_pattern_severity_increases_with_count(self):
"""Pattern severity should increase with more occurrences."""
aggregator = ErrorAggregator(
pattern_threshold=2,
pattern_window_minutes=60
)
# Record enough to trigger critical severity
for _ in range(10):
aggregator.record_error(error=ValueError("Many errors"))
pattern = aggregator._patterns.get("ValueError")
assert pattern is not None
assert pattern.severity in ["error", "critical"]
def test_pattern_callback_called(self):
"""Pattern detection callback should be called."""
aggregator = ErrorAggregator(pattern_threshold=2)
callback_called = []
def callback(pattern):
callback_called.append(pattern)
aggregator.on_pattern_detected(callback)
# Trigger pattern
for _ in range(3):
aggregator.record_error(error=ValueError("Pattern trigger"))
assert len(callback_called) == 1
assert callback_called[0].error_type == "ValueError"
class TestErrorSummary:
"""Test error summary generation."""
def test_summary_contains_required_fields(self):
"""Summary should contain all required fields."""
aggregator = ErrorAggregator()
aggregator.record_error(
error=ValueError("Test"),
plugin_id="test-plugin"
)
summary = aggregator.get_error_summary()
assert "session_start" in summary
assert "total_errors" in summary
assert "error_rate_per_hour" in summary
assert "error_counts_by_type" in summary
assert "plugin_error_counts" in summary
assert "active_patterns" in summary
assert "recent_errors" in summary
def test_summary_error_counts(self):
"""Summary should have correct error counts."""
aggregator = ErrorAggregator()
aggregator.record_error(error=ValueError("Error 1"))
aggregator.record_error(error=ValueError("Error 2"))
aggregator.record_error(error=TypeError("Error 3"))
summary = aggregator.get_error_summary()
assert summary["total_errors"] == 3
assert summary["error_counts_by_type"]["ValueError"] == 2
assert summary["error_counts_by_type"]["TypeError"] == 1
class TestPluginHealth:
"""Test plugin health tracking."""
def test_healthy_plugin_status(self):
"""Plugin with no recent errors should be healthy."""
aggregator = ErrorAggregator()
health = aggregator.get_plugin_health("healthy-plugin")
assert health["status"] == "healthy"
assert health["total_errors"] == 0
assert health["recent_error_count"] == 0
def test_degraded_plugin_status(self):
"""Plugin with some errors should be degraded."""
aggregator = ErrorAggregator()
for _ in range(3):
aggregator.record_error(
error=ValueError("Error"),
plugin_id="degraded-plugin"
)
health = aggregator.get_plugin_health("degraded-plugin")
assert health["status"] == "degraded"
assert health["recent_error_count"] == 3
def test_unhealthy_plugin_status(self):
"""Plugin with many errors should be unhealthy."""
aggregator = ErrorAggregator()
for _ in range(10):
aggregator.record_error(
error=ValueError("Error"),
plugin_id="unhealthy-plugin"
)
health = aggregator.get_plugin_health("unhealthy-plugin")
assert health["status"] == "unhealthy"
assert health["recent_error_count"] == 10
class TestRecordClearing:
"""Test clearing old records."""
def test_clear_old_records(self):
"""Old records should be cleared."""
aggregator = ErrorAggregator()
# Add a record
aggregator.record_error(error=ValueError("Old error"))
# Manually age the record
aggregator._records[0].timestamp = datetime.now() - timedelta(hours=48)
# Clear records older than 24 hours
cleared = aggregator.clear_old_records(max_age_hours=24)
assert cleared == 1
assert len(aggregator._records) == 0
def test_recent_records_not_cleared(self):
"""Recent records should not be cleared."""
aggregator = ErrorAggregator()
aggregator.record_error(error=ValueError("Recent error"))
cleared = aggregator.clear_old_records(max_age_hours=24)
assert cleared == 0
assert len(aggregator._records) == 1
class TestThreadSafety:
"""Test thread safety of error aggregator."""
def test_concurrent_recording(self):
"""Multiple threads should be able to record errors concurrently."""
aggregator = ErrorAggregator(max_records=1000)
errors_per_thread = 100
num_threads = 5
def record_errors(thread_id):
for i in range(errors_per_thread):
aggregator.record_error(
error=ValueError(f"Thread {thread_id} error {i}"),
plugin_id=f"plugin-{thread_id}"
)
threads = [
threading.Thread(target=record_errors, args=(i,))
for i in range(num_threads)
]
for t in threads:
t.start()
for t in threads:
t.join()
# All errors should be recorded
assert len(aggregator._records) == errors_per_thread * num_threads
class TestGlobalAggregator:
"""Test global aggregator singleton."""
def test_get_error_aggregator_returns_same_instance(self):
"""get_error_aggregator should return the same instance."""
agg1 = get_error_aggregator()
agg2 = get_error_aggregator()
assert agg1 is agg2
def test_record_error_convenience_function(self):
"""record_error convenience function should work."""
record = record_error(
error=ValueError("Convenience function test"),
plugin_id="test"
)
assert record.error_type == "ValueError"
assert record.plugin_id == "test"
class TestSerialization:
"""Test error record serialization."""
def test_error_record_to_dict(self):
"""ErrorRecord should serialize to dict correctly."""
record = ErrorRecord(
error_type="ValueError",
message="Test message",
timestamp=datetime.now(),
context={"key": "value"},
plugin_id="test-plugin",
operation="update",
stack_trace="traceback..."
)
data = record.to_dict()
assert data["error_type"] == "ValueError"
assert data["message"] == "Test message"
assert data["plugin_id"] == "test-plugin"
assert data["operation"] == "update"
assert "timestamp" in data
def test_error_pattern_to_dict(self):
"""ErrorPattern should serialize to dict correctly."""
pattern = ErrorPattern(
error_type="ValueError",
count=5,
first_seen=datetime.now() - timedelta(hours=1),
last_seen=datetime.now(),
affected_plugins=["plugin-a", "plugin-b"],
sample_messages=["Error 1", "Error 2"],
severity="warning"
)
data = pattern.to_dict()
assert data["error_type"] == "ValueError"
assert data["count"] == 5
assert data["severity"] == "warning"
assert len(data["affected_plugins"]) == 2

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"""
Tests for plugin loading failure scenarios.
Tests various failure modes that can occur during plugin loading:
- Missing manifest.json
- Invalid manifest.json
- Missing entry_point file
- Import errors in plugin module
- Missing class_name in module
- Class doesn't inherit from BasePlugin
- validate_config() returns False
- Dependencies installation failure
"""
import pytest
import json
from pathlib import Path
from unittest.mock import Mock, patch, MagicMock
import tempfile
import sys
# Add project root to path
project_root = Path(__file__).parent.parent
if str(project_root) not in sys.path:
sys.path.insert(0, str(project_root))
from src.plugin_system.plugin_manager import PluginManager
from src.plugin_system.plugin_loader import PluginLoader
from src.plugin_system.plugin_state import PluginState
from src.exceptions import PluginError
@pytest.fixture
def mock_managers():
"""Create mock managers for plugin loading tests."""
return {
"config_manager": MagicMock(),
"display_manager": MagicMock(),
"cache_manager": MagicMock(),
"font_manager": MagicMock()
}
@pytest.fixture
def temp_plugin_dir(tmp_path):
"""Create a temporary plugin directory."""
plugins_dir = tmp_path / "plugins"
plugins_dir.mkdir()
return plugins_dir
class TestMissingManifest:
"""Test handling of missing manifest.json."""
def test_plugin_without_manifest_not_discovered(self, temp_plugin_dir, mock_managers):
"""Plugin directory without manifest.json should not be discovered."""
# Create plugin directory without manifest
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
(plugin_dir / "manager.py").write_text("# Empty plugin")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
plugins = manager.discover_plugins()
assert "test-plugin" not in plugins
class TestInvalidManifest:
"""Test handling of invalid manifest.json files."""
def test_manifest_invalid_json(self, temp_plugin_dir, mock_managers):
"""Plugin with invalid JSON manifest should not be discovered."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
(plugin_dir / "manifest.json").write_text("{ invalid json }")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
plugins = manager.discover_plugins()
assert "test-plugin" not in plugins
def test_manifest_missing_required_fields(self, temp_plugin_dir, mock_managers):
"""Plugin manifest missing required fields should fail gracefully."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
# Manifest missing 'class_name' and 'entry_point'
manifest = {"id": "test-plugin", "name": "Test Plugin"}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
plugins = manager.discover_plugins()
# Plugin might be discovered but should fail to load
if "test-plugin" in plugins:
result = manager.load_plugin("test-plugin")
assert result is False
class TestMissingEntryPoint:
"""Test handling of missing entry_point file."""
def test_missing_entry_point_file(self, temp_plugin_dir, mock_managers):
"""Plugin with missing entry_point file should fail to load."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py", # File doesn't exist
"class_name": "TestPlugin"
}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manager.discover_plugins()
# Force the manifest to be loaded
manager.plugin_manifests["test-plugin"] = manifest
result = manager.load_plugin("test-plugin")
assert result is False
class TestImportErrors:
"""Test handling of import errors in plugin modules."""
def test_syntax_error_in_plugin(self, temp_plugin_dir, mock_managers):
"""Plugin with Python syntax error should fail to load."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py",
"class_name": "TestPlugin"
}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
# Create manager.py with syntax error
(plugin_dir / "manager.py").write_text("""
class TestPlugin
def __init__(self): # Missing colon above
pass
""")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manager.discover_plugins()
manager.plugin_manifests["test-plugin"] = manifest
result = manager.load_plugin("test-plugin")
assert result is False
def test_missing_dependency_in_plugin(self, temp_plugin_dir, mock_managers):
"""Plugin importing missing module should fail to load."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py",
"class_name": "TestPlugin"
}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
# Create manager.py that imports non-existent module
(plugin_dir / "manager.py").write_text("""
import nonexistent_module_xyz123
class TestPlugin:
pass
""")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manager.discover_plugins()
manager.plugin_manifests["test-plugin"] = manifest
result = manager.load_plugin("test-plugin")
assert result is False
class TestMissingClassName:
"""Test handling when class_name is not found in module."""
def test_class_not_in_module(self, temp_plugin_dir, mock_managers):
"""Plugin with class_name not matching any class should fail."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py",
"class_name": "NonExistentClass" # Doesn't exist in manager.py
}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
(plugin_dir / "manager.py").write_text("""
class ActualPlugin:
pass
""")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manager.discover_plugins()
manager.plugin_manifests["test-plugin"] = manifest
result = manager.load_plugin("test-plugin")
assert result is False
class TestValidateConfigFailure:
"""Test handling when validate_config() returns False."""
def test_validate_config_returns_false(self, temp_plugin_dir, mock_managers):
"""Plugin where validate_config() returns False should fail to load."""
plugin_dir = temp_plugin_dir / "test-plugin"
plugin_dir.mkdir()
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py",
"class_name": "TestPlugin"
}
(plugin_dir / "manifest.json").write_text(json.dumps(manifest))
# Create a mock plugin that fails validation
mock_plugin = MagicMock()
mock_plugin.validate_config.return_value = False
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manager.discover_plugins()
manager.plugin_manifests["test-plugin"] = manifest
# Mock the plugin loader to return our mock plugin
with patch.object(manager.plugin_loader, 'load_plugin', return_value=(mock_plugin, MagicMock())):
result = manager.load_plugin("test-plugin")
assert result is False
def test_validate_config_raises_exception(self, temp_plugin_dir, mock_managers):
"""Plugin where validate_config() raises exception should fail to load."""
mock_plugin = MagicMock()
mock_plugin.validate_config.side_effect = ValueError("Config validation error")
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manifest = {
"id": "test-plugin",
"name": "Test Plugin",
"entry_point": "manager.py",
"class_name": "TestPlugin"
}
manager.plugin_manifests["test-plugin"] = manifest
with patch.object(manager.plugin_loader, 'load_plugin', return_value=(mock_plugin, MagicMock())):
with patch.object(manager.plugin_loader, 'find_plugin_directory', return_value=temp_plugin_dir):
result = manager.load_plugin("test-plugin")
assert result is False
class TestPluginStateOnFailure:
"""Test that plugin state is correctly set on various failures."""
def test_state_set_to_error_on_load_failure(self, temp_plugin_dir, mock_managers):
"""Plugin state should be ERROR when loading fails."""
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manifest = {"id": "test-plugin", "name": "Test Plugin"}
manager.plugin_manifests["test-plugin"] = manifest
# Try to load non-existent plugin
result = manager.load_plugin("test-plugin")
assert result is False
state = manager.state_manager.get_state("test-plugin")
assert state == PluginState.ERROR
class TestErrorAggregation:
"""Test that errors are properly recorded in error aggregator."""
def test_plugin_load_error_recorded(self, temp_plugin_dir, mock_managers):
"""Plugin load errors should be recorded in error aggregator."""
from src.error_aggregator import get_error_aggregator
# Get the aggregator
aggregator = get_error_aggregator()
with patch('src.common.permission_utils.ensure_directory_permissions'):
manager = PluginManager(
plugins_dir=str(temp_plugin_dir),
**mock_managers
)
manifest = {"id": "test-plugin", "name": "Test Plugin"}
manager.plugin_manifests["test-plugin"] = manifest
# This should trigger an error recording
manager.load_plugin("test-plugin")
# Errors may or may not be recorded depending on execution path
# This test verifies the aggregator is accessible
assert aggregator is not None