playwright.config.ts

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

/**
 * Read environment variables from file.
 * https://github.com/motdotla/dotenv
 */
dotenv.config();

/**
 * See https://playwright.dev/docs/test-configuration.
 */
export default defineConfig({
  testDir: './src/framework/tests',
  /* Make visual regression snapshots OS-agnostic so Mac and Linux can share them */
  snapshotPathTemplate: '{testDir}/{testFileDir}/{testFileName}-snapshots/{arg}-{projectName}{ext}',
  /* Maximum time one test can run for. */
  timeout: 30 * 1000,
  expect: {
    /**
     * Maximum time expect() should wait for the condition to be met.
     * For example in `await expect(locator).toBeVisible();`
     */
    timeout: 5000,
    toHaveScreenshot: { 
      maxDiffPixelRatio: 0.05, // Allow 5% difference globally
      animations: 'disabled' 
    },
  },
  /* Run tests in files in parallel */
  fullyParallel: true,
  /* 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. */
  workers: process.env.CI ? 4 : undefined,
  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
  reporter: [
    ['html'],
    ['list']
  ],
  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
  use: {
    /* Base URL to use in actions like `await page.goto('/')`. */
    baseURL: 'https://www.saucedemo.com',

    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
    trace: 'retain-on-failure',
    screenshot: 'only-on-failure',
    video: 'retain-on-failure',
    
    /* Attribute used for finding elements in Playwright locators */
    testIdAttribute: 'data-test',
  },

  /* Configure projects for major browsers */
  projects: [
    {
      name: 'chromium',
      use: { ...devices['Desktop Chrome'] },
    },

    {
      name: 'firefox',
      use: { ...devices['Desktop Firefox'] },
    },

    {
      name: 'webkit',
      use: { ...devices['Desktop Safari'] },
    },
  ],
});