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Comprehensive tests for worker_watchdog.py
Tests cover:
- WorkerWatchdog initialization
- File hash calculation
- Change detection
- Self-healing trigger
- Workflow health checking
- State management
"""
import pytest
import json
import hashlib
from pathlib import Path
from unittest.mock import Mock, patch, MagicMock
import sys
# Add parent directory to path
sys.path.insert(0, str(Path(__file__).parent.parent))
from workers.worker_watchdog import WorkerWatchdog
class TestWorkerWatchdogInit:
"""Test WorkerWatchdog initialization"""
def test_init_default_values(self):
"""Test that WorkerWatchdog initializes with correct defaults"""
watchdog = WorkerWatchdog()
assert watchdog.check_interval == 300
assert watchdog.running == False
assert isinstance(watchdog.file_hashes, dict)
assert isinstance(watchdog.template_hashes, dict)
assert isinstance(watchdog.stats, dict)
def test_init_custom_interval(self):
"""Test initialization with custom check interval"""
watchdog = WorkerWatchdog(check_interval=600)
assert watchdog.check_interval == 600
def test_init_creates_monitoring_directory(self, temp_dir, monkeypatch):
"""Test that initialization creates monitoring directory"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
assert watchdog.monitoring_path.exists()
def test_init_stats_structure(self):
"""Test that stats dict has correct structure"""
watchdog = WorkerWatchdog()
assert "total_checks" in watchdog.stats
assert "issues_detected" in watchdog.stats
assert "auto_repairs_triggered" in watchdog.stats
assert "successful_repairs" in watchdog.stats
assert "start_time" in watchdog.stats
assert "last_check" in watchdog.stats
class TestWorkerWatchdogFileHashing:
"""Test file hashing functionality"""
def test_calculate_file_hash(self, temp_dir):
"""Test that file hash is calculated correctly"""
watchdog = WorkerWatchdog()
test_file = temp_dir / "test.txt"
test_content = b"test content"
test_file.write_bytes(test_content)
hash_result = watchdog.calculate_file_hash(test_file)
# Verify it's a valid SHA256 hash
assert len(hash_result) == 64
assert all(c in '0123456789abcdef' for c in hash_result)
# Verify hash is correct
expected_hash = hashlib.sha256(test_content).hexdigest()
assert hash_result == expected_hash
def test_calculate_file_hash_nonexistent(self, temp_dir):
"""Test hash calculation for non-existent file"""
watchdog = WorkerWatchdog()
nonexistent_file = temp_dir / "nonexistent.txt"
hash_result = watchdog.calculate_file_hash(nonexistent_file)
assert hash_result == ""
def test_calculate_file_hash_empty_file(self, temp_dir):
"""Test hash calculation for empty file"""
watchdog = WorkerWatchdog()
empty_file = temp_dir / "empty.txt"
empty_file.write_bytes(b"")
hash_result = watchdog.calculate_file_hash(empty_file)
expected_hash = hashlib.sha256(b"").hexdigest()
assert hash_result == expected_hash
def test_scan_file_hashes(self, temp_dir, monkeypatch):
"""Test scanning directory for file hashes"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
# Create test Python files
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
(scripts_dir / "test1.py").write_text("content1")
(scripts_dir / "test2.py").write_text("content2")
(scripts_dir / "test.txt").write_text("not python")
hashes = watchdog.scan_file_hashes(scripts_dir, "*.py")
assert len(hashes) == 2
assert any("test1.py" in key for key in hashes.keys())
assert any("test2.py" in key for key in hashes.keys())
def test_scan_file_hashes_empty_directory(self, temp_dir):
"""Test scanning empty directory"""
watchdog = WorkerWatchdog()
empty_dir = temp_dir / "empty"
empty_dir.mkdir()
hashes = watchdog.scan_file_hashes(empty_dir, "*.py")
assert len(hashes) == 0
def test_scan_file_hashes_nonexistent_directory(self, temp_dir):
"""Test scanning non-existent directory"""
watchdog = WorkerWatchdog()
nonexistent_dir = temp_dir / "nonexistent"
hashes = watchdog.scan_file_hashes(nonexistent_dir, "*.py")
assert len(hashes) == 0
class TestWorkerWatchdogChangeDetection:
"""Test change detection functionality"""
def test_detect_changes_new_file(self, temp_dir, monkeypatch):
"""Test detection of new files"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
# Initial scan
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
watchdog.scripts_path = scripts_dir
watchdog.file_hashes = watchdog.scan_file_hashes(scripts_dir, "*.py")
# Add new file
(scripts_dir / "new_file.py").write_text("new content")
changes = watchdog.detect_changes()
assert len(changes["new_files"]) == 1
assert any("new_file.py" in f for f in changes["new_files"])
def test_detect_changes_modified_file(self, temp_dir, monkeypatch):
"""Test detection of modified files"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
test_file = scripts_dir / "test.py"
test_file.write_text("original content")
watchdog.scripts_path = scripts_dir
watchdog.file_hashes = watchdog.scan_file_hashes(scripts_dir, "*.py")
# Modify file
test_file.write_text("modified content")
changes = watchdog.detect_changes()
assert len(changes["modified_files"]) == 1
assert any("test.py" in f for f in changes["modified_files"])
def test_detect_changes_deleted_file(self, temp_dir, monkeypatch):
"""Test detection of deleted files"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
test_file = scripts_dir / "test.py"
test_file.write_text("content")
watchdog.scripts_path = scripts_dir
watchdog.file_hashes = watchdog.scan_file_hashes(scripts_dir, "*.py")
# Delete file
test_file.unlink()
changes = watchdog.detect_changes()
assert len(changes["deleted_files"]) == 1
assert any("test.py" in f for f in changes["deleted_files"])
def test_detect_changes_no_changes(self, temp_dir, monkeypatch):
"""Test when no changes detected"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
(scripts_dir / "test.py").write_text("content")
watchdog.scripts_path = scripts_dir
watchdog.file_hashes = watchdog.scan_file_hashes(scripts_dir, "*.py")
changes = watchdog.detect_changes()
assert len(changes["new_files"]) == 0
assert len(changes["modified_files"]) == 0
assert len(changes["deleted_files"]) == 0
class TestWorkerWatchdogSelfHealing:
"""Test self-healing trigger functionality"""
def test_trigger_self_healing_success(self, temp_dir, monkeypatch):
"""Test successful self-healing trigger"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
# Create mock healing script
workers_dir = temp_dir / "workers"
workers_dir.mkdir()
healing_script = workers_dir / "self_healing_worker.py"
healing_script.write_text("#!/usr/bin/env python3\nprint('healing')")
watchdog.base_path = temp_dir
with patch('subprocess.run') as mock_run:
mock_run.return_value = Mock(returncode=0, stdout="success", stderr="")
result = watchdog.trigger_self_healing()
assert result == True
assert watchdog.stats["successful_repairs"] == 1
def test_trigger_self_healing_failure(self, temp_dir, monkeypatch):
"""Test failed self-healing trigger"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
workers_dir = temp_dir / "workers"
workers_dir.mkdir()
healing_script = workers_dir / "self_healing_worker.py"
healing_script.write_text("#!/usr/bin/env python3\nprint('healing')")
watchdog.base_path = temp_dir
with patch('subprocess.run') as mock_run:
mock_run.return_value = Mock(returncode=1, stdout="", stderr="error")
result = watchdog.trigger_self_healing()
assert result == False
def test_trigger_self_healing_script_not_found(self, temp_dir, monkeypatch):
"""Test self-healing when script not found"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
watchdog.base_path = temp_dir
result = watchdog.trigger_self_healing()
assert result == False
def test_trigger_self_healing_timeout(self, temp_dir, monkeypatch):
"""Test self-healing timeout"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
workers_dir = temp_dir / "workers"
workers_dir.mkdir()
healing_script = workers_dir / "self_healing_worker.py"
healing_script.write_text("#!/usr/bin/env python3\nprint('healing')")
watchdog.base_path = temp_dir
with patch('subprocess.run') as mock_run:
from subprocess import TimeoutExpired
mock_run.side_effect = TimeoutExpired("cmd", 300)
result = watchdog.trigger_self_healing()
assert result == False
class TestWorkerWatchdogStateManagement:
"""Test state save/load functionality"""
def test_save_state(self, temp_dir, monkeypatch):
"""Test saving watchdog state"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
watchdog.monitoring_path = temp_dir
watchdog.watchdog_state_file = temp_dir / "watchdog_state.json"
watchdog.stats["total_checks"] = 5
watchdog.file_hashes = {"test.py": "hash123"}
watchdog.save_state()
assert watchdog.watchdog_state_file.exists()
with open(watchdog.watchdog_state_file, 'r') as f:
state = json.load(f)
assert state["stats"]["total_checks"] == 5
assert state["file_count"] == 1
def test_load_state(self, temp_dir, monkeypatch):
"""Test loading watchdog state"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
watchdog.monitoring_path = temp_dir
watchdog.watchdog_state_file = temp_dir / "watchdog_state.json"
# Create state file
state = {
"stats": {"total_checks": 10},
"file_count": 5,
"last_update": "2026-04-14"
}
with open(watchdog.watchdog_state_file, 'w') as f:
json.dump(state, f)
watchdog.load_state()
assert watchdog.stats["total_checks"] == 10
def test_load_state_file_not_exists(self, temp_dir, monkeypatch):
"""Test loading state when file doesn't exist"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
watchdog.monitoring_path = temp_dir
watchdog.watchdog_state_file = temp_dir / "nonexistent.json"
# Should not raise error
watchdog.load_state()
class TestWorkerWatchdogHealthCheck:
"""Test health check functionality"""
def test_perform_health_check(self, temp_dir, monkeypatch):
"""Test performing a health check"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
watchdog.scripts_path = scripts_dir
watchdog.monitoring_path = temp_dir
with patch.object(watchdog, 'trigger_self_healing') as mock_heal:
watchdog.perform_health_check()
assert watchdog.stats["total_checks"] == 1
assert watchdog.stats["last_check"] is not None
def test_run_once(self, temp_dir, monkeypatch):
"""Test running health check once"""
monkeypatch.chdir(temp_dir)
watchdog = WorkerWatchdog()
scripts_dir = temp_dir / "scripts"
scripts_dir.mkdir()
watchdog.scripts_path = scripts_dir
watchdog.monitoring_path = temp_dir
with patch.object(watchdog, 'trigger_self_healing'):
watchdog.run_once()
assert watchdog.stats["total_checks"] == 1
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