recharts/test-vr/playwright-ct.config.ts

import { defineConfig, devices } from '@playwright/experimental-ct-react';

/**
 * See https://playwright.dev/docs/test-configuration.
 */
// eslint-disable-next-line import/no-default-export
export default defineConfig({
  testDir: '/recharts/test-vr',
  testMatch: '*.spec-vr.tsx',
  /*
   * The snapshotDir is the designated folder for storing your snapshot files.
   * These are the "golden" reference files used for visual regression and snapshot testing.
   * When you write a test that uses await expect(page).toHaveScreenshot()
   * or expect(data).toMatchSnapshot(), Playwright captures a baseline snapshot
   * and saves it in this directory. On subsequent test runs,
   * new snapshots are compared against these saved references to detect any unintended changes.
   */
  snapshotDir: '/recharts/test-vr/__snapshots__',
  /*
   * The test-results directory is the default location where Playwright saves various test artifacts.
   * This folder acts as a general-purpose output directory.
   */
  outputDir: '/recharts/test-vr/test-results',
  /* Maximum time one test can run for. */
  timeout: 10 * 1000,
  /* 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 ? 1 : undefined,
  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
  reporter: [
    [
      'html',
      {
        /*
         * By default, playwright opens a web server to serve the files in the testDir if a test fails.
         * Because we have another container dedicated to serving the app, we set this to 'never'
         * so that the test runner never gets stuck running a web server.
         */
        open: 'never',
        /*
         * Output folder specifically for the HTML reporter.
         * When you run your tests with the HTML reporter enabled,
         * Playwright generates a self-contained, interactive web page
         * that provides a detailed overview of your test run.
         */
        outputFolder: '/recharts/test-vr/playwright-report',
      },
    ],
  ],
  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
  use: {
    /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
    trace: 'on-first-retry',

    /* Port to use for Playwright component endpoint. */
    ctPort: 3100,
  },

  /* Configure projects for major browsers */
  projects: [
    {
      name: 'chromium',
      use: { ...devices['Desktop Chrome'] },
    },
    {
      name: 'firefox',
      use: { ...devices['Desktop Firefox'] },
    },
    {
      name: 'webkit',
      use: { ...devices['Desktop Safari'] },
    },
  ],
});