playwright.config.ts

import { defineConfig, devices } from '@playwright/test';
import { execSync } from 'node:child_process';

const snapshotBranch = getSnapshotBranch()

/**
 * Read environment variables from file.
 * https://github.com/motdotla/dotenv
 */
// import dotenv from 'dotenv';
// import path from 'path';
// dotenv.config({ path: path.resolve(__dirname, '.env') });

/**
 * See https://playwright.dev/docs/test-configuration.
 */
export default defineConfig({
  testDir: './e2e',
  snapshotPathTemplate: `{testDir}/{testFilePath}-snapshots-${snapshotBranch}/{arg}-{projectName}-{platform}{ext}`,
  timeout: 30_000,
  fullyParallel: true, // Run tests in files in parallel
  forbidOnly: !!process.env.CI, // Fail the build on CI if you accidentally left test.only in the source code.
  retries: process.env.CI ? 2 : 0, // Retry on CI only
  //workers: process.env.CI ? 1 : undefined, // Opt out of parallel tests on CI.
  reporter: 'html', // Reporter to use. See https://playwright.dev/docs/test-reporters
  use: { // Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions.
    /* Base URL to use in actions like `await page.goto('/')`. */
    // baseURL: 'http://127.0.0.1:3000',

    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
    trace: 'on-first-retry',
    timezoneId: 'Europe/Rome',
  },

  /* Configure projects for major browsers */
  projects: [
    {
      name: 'chromium',
      use: {
          ...devices['Desktop Chrome'],
          viewport: { width: 1920, height: 1080 },
      },
    },
    {
      name: 'Android',
      use: { ...devices['Pixel 7'] },
    },
    {
      name: 'iPhone 6',
      use: { ...devices['iPhone 6'] },
    },
    {
      name: 'firefox',
      use: {
        ...devices['Desktop Firefox'],
        launchOptions: {
          // Firefox can purge localhost-like state during bounce-tracker heuristics in tests.
          firefoxUserPrefs: { 'privacy.bounceTrackingProtection.mode': 0 },
        },
      },
    },
/*
    {
      name: 'firefox',
      use: { ...devices['Desktop Firefox'] },
    },

    {
      name: 'webkit',
      use: { ...devices['Desktop Safari'] },
    },*/

    /* Test against mobile viewports. */
    // {
    //   name: 'Mobile Chrome',
    //   use: { ...devices['Pixel 5'] },
    // },
    // {
    //   name: 'Mobile Safari',
    //   use: { ...devices['iPhone 12'] },
    // },

    /* Test against branded browsers. */
    // {
    //   name: 'Microsoft Edge',
    //   use: { ...devices['Desktop Edge'], channel: 'msedge' },
    // },
    // {
    //   name: 'Google Chrome',
    //   use: { ...devices['Desktop Chrome'], channel: 'chrome' },
    // },
  ],

  expect: {
    toHaveScreenshot: {
      stylePath: 'e2e/screenshot.css',
      threshold: 0.5,
    },
  },
  /* Run your local dev server before starting the tests */
   webServer: [{
     command: 'npm run server-for-test' + (process.env.TEST_WITH_UI ? '-dev' : ''), // use server-for-test-dev only for "test-with-ui"
     url: 'http://127.0.0.1:8081',
     reuseExistingServer: !process.env.CI,
   }, { // launch a second server for tests with an empty/default config
       command: 'rm -rf tests/work2 && node dist/src --cwd tests/work2 --debug --open_browser_at_start false',
       reuseExistingServer: !process.env.CI,
   }]
});

function getSnapshotBranch() {
  // CI often runs in detached HEAD, so allow callers to force the logical branch name.
  const branchName = process.env.PLAYWRIGHT_SNAPSHOT_BRANCH || getGitBranchName() || 'detached-head'
  return branchName.replace(/[^a-zA-Z0-9._-]/g, '_')
}

function getGitBranchName() {
  try {
    return execSync('git branch --show-current', { encoding: 'utf8' }).trim()
  }
  catch {
    return ''
  }
}