playwright.config.ts

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

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

const isCI = !!process.env.CI;

/**
 * See https://playwright.dev/docs/test-configuration.
 */
export default defineConfig({
  /* Look for test files in the "tests" directory, relative to this configuration file. */
  testDir: "./tests",
  snapshotPathTemplate: "{testDir}/__screenshots__/{testFilePath}/{platform}/{arg}{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).toHaveText();`
     */
    timeout: 5000,
  },
  /* Run tests in files in parallel */
  fullyParallel: true,
  /* Fail the build on CI if you accidentally left test.only in the source code. */
  forbidOnly: isCI,
  /* Retry on CI only */
  retries: isCI ? 2 : 0,
  /* Opt out of parallel tests on CI. */
  workers: isCI ? 1 : undefined,
  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
  reporter: [
    ["html", { open: "never" }],
    isCI ? ['github'] : ['line'],
  ],
  /* 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: 'http://127.0.0.1:8080',

    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
    trace: "on-first-retry",
  },
  /* Configure projects for major browsers */
  projects: [
    {
      name: "chromium",
      use: { ...devices['Desktop Chrome'] },
    },

    {
      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: {
    //     channel: 'msedge',
    //   },
    // },
    // {
    //   name: 'Google Chrome',
    //   use: {
    //     channel: 'chrome',
    //   },
    // },
  ],
  /* Folder for test artifacts such as screenshots, videos, traces, etc. */
  // outputDir: 'test-results/',

  /* Run your local dev server before starting the tests */
  /* We use python for this but we could also try using another tool */
  webServer: [
    {
      // HTTP server for rendered HTML files
      command: 'uv run python -m http.server 8080',
      url: 'http://127.0.0.1:8080',
      reuseExistingServer: !isCI,
      cwd: '../../docs/playwright',
      stderr: 'ignore',  // Suppress verbose HTTP request logs
    },
    {
      // Socket.IO multiplex server for RevealJS
      command: 'npm start',
      url: 'http://127.0.0.1:1948',
      reuseExistingServer: !isCI,
      cwd: './multiplex-server',
      timeout: 10000,
      stderr: 'ignore',  // Suppress verbose logs
    }
  ],
});