setup.ts•4.08 kB
// Test setup for Vitest MCP server tests
import { beforeAll, afterAll, beforeEach, afterEach } from 'vitest';
import { spawn } from 'child_process';
import { platform } from 'os';
// Mock environment variables for testing
process.env.NODE_ENV = 'test';
process.env.CHROME_TEST_MODE = 'true';
// Configure test timeouts based on research findings
// Research shows default 5s Vitest timeout is too low for:
// - Browser initialization (can take 15-30s)
// - Server startup (can take 30-45s in some environments)
// - Integration test cleanup (needs proper process termination)
if (!process.env.VITEST_TEST_TIMEOUT) {
process.env.VITEST_TEST_TIMEOUT = '60000'; // 60 seconds for integration tests
}
if (!process.env.VITEST_HOOK_TIMEOUT) {
process.env.VITEST_HOOK_TIMEOUT = '45000'; // 45 seconds for setup/teardown
}
/**
* Chrome Process Management for TDD Testing
* Following TDD-specific-workflow-tutorial.md guidelines
*/
// Chrome process cleanup utility
async function killChromeProcesses(): Promise<void> {
const isWindows = platform() === 'win32';
try {
if (isWindows) {
// Windows: Kill Chrome processes
await new Promise<void>((resolve) => {
const killProcess = spawn('taskkill', ['/F', '/IM', 'chrome.exe'], { stdio: 'ignore' });
killProcess.on('close', () => resolve());
killProcess.on('error', () => resolve()); // Ignore errors
});
} else {
// macOS/Linux: Kill Chrome processes
await new Promise<void>((resolve) => {
const killProcess = spawn('pkill', ['-f', 'Google Chrome'], { stdio: 'ignore' });
killProcess.on('close', () => resolve());
killProcess.on('error', () => resolve()); // Ignore errors
});
}
// Additional cleanup for zombie processes
await new Promise<void>((resolve) => {
const killChrome = spawn('pkill', ['-f', 'chrome'], { stdio: 'ignore' });
killChrome.on('close', () => resolve());
killChrome.on('error', () => resolve()); // Ignore errors
});
} catch (error) {
// Ignore cleanup errors in tests
console.warn('Chrome cleanup warning (non-fatal):', error.message);
}
}
// Check Chrome process count
async function getChromeProcessCount(): Promise<number> {
return new Promise((resolve) => {
const psProcess = spawn('ps', ['aux'], { stdio: ['ignore', 'pipe', 'ignore'] });
let output = '';
psProcess.stdout.on('data', (data) => {
output += data.toString();
});
psProcess.on('close', () => {
const chromeLines = output.split('\n').filter(line =>
line.includes('chrome') || line.includes('Google Chrome')
);
resolve(chromeLines.length);
});
psProcess.on('error', () => resolve(0)); // Default to 0 on error
});
}
// Global test setup
beforeAll(async () => {
console.log('🧪 Starting TDD test session - cleaning up Chrome processes...');
// Clean up any existing Chrome processes before starting tests
await killChromeProcesses();
// Wait for processes to be cleaned up
await new Promise(resolve => setTimeout(resolve, 1000));
const processCount = await getChromeProcessCount();
console.log(`📊 Chrome processes after cleanup: ${processCount}`);
});
// Clean up after each test to prevent Chrome zombie processes
afterEach(async () => {
// Kill any Chrome processes that might have been left behind
await killChromeProcesses();
// Small delay to ensure cleanup
await new Promise(resolve => setTimeout(resolve, 500));
});
// Final cleanup after all tests
afterAll(async () => {
console.log('🧹 TDD test session complete - final Chrome cleanup...');
// Final cleanup
await killChromeProcesses();
// Verify cleanup
const finalProcessCount = await getChromeProcessCount();
console.log(`✅ Final Chrome processes: ${finalProcessCount}`);
if (finalProcessCount > 0) {
console.warn('⚠️ Warning: Some Chrome processes may still be running');
}
});
// Export utilities for use in tests
export { killChromeProcesses, getChromeProcessCount };