playwright.config.ts

/**
 * Playwright Configuration for Browser Extension E2E Tests
 * 
 * Tests the browser extension in Chrome with the extension loaded.
 */

import { defineConfig, devices } from '@playwright/test';
import path from 'path';
import { fileURLToPath } from 'url';

// ESM-compatible __dirname
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// Path to the built extension
const EXTENSION_PATH = path.join(__dirname, 'dist', 'chrome');

export default defineConfig({
  testDir: './tests/e2e',
  
  /* Run tests in files in parallel */
  fullyParallel: false, // Extensions often have state, run sequentially
  
  /* Fail the build on CI if you accidentally left test.only in the source code */
  forbidOnly: !!process.env.CI,
  
  /* Retry on CI only */
  retries: process.env.CI ? 2 : 0,
  
  /* Opt out of parallel tests on CI for extension testing */
  workers: 1, // Single worker for extension testing
  
  /* Reporter to use */
  reporter: [
    ['html', { outputFolder: 'playwright-report' }],
    ['list'],
    ['json', { outputFile: 'playwright-results.json' }],
  ],
  
  /* Shared settings for all the projects below */
  use: {
    /* Collect trace when retrying the failed test */
    trace: 'on-first-retry',
    
    /* Screenshots on failure */
    screenshot: 'only-on-failure',
    
    /* Video recording */
    video: process.env.CI ? 'on-first-retry' : 'off',
  },
  
  /* Configure projects for major browsers */
  projects: [
    {
      name: 'chromium-extension',
      use: {
        ...devices['Desktop Chrome'],
        // Load the extension
        launchOptions: {
          args: [
            `--disable-extensions-except=${EXTENSION_PATH}`,
            `--load-extension=${EXTENSION_PATH}`,
            '--no-sandbox',
            '--disable-setuid-sandbox',
          ],
        },
      },
    },
  ],
  
  /* Timeout for each test */
  timeout: 60000,
  
  /* Timeout for expect assertions */
  expect: {
    timeout: 10000,
  },
});