Playwright E2E Testing Checklist

Install Node.js and Playwright browsers

Install Node LTS, add Playwright package, and run 'npx playwright install' to fetch browsers.

Initialize Playwright project and config file

Create playwright.config.ts, set testDir, timeouts, and project browsers.

Create Page Object Model (POM) structure

Create a BasePage class with shared helpers

Include common navigation, waits, and element helpers for reuse.

Create per-page classes with selectors and actions

Keep selectors and actions encapsulated to simplify tests.

Export types and reusable fixtures for tests

Share locator types and fixtures to enforce consistent APIs.

Implement test data isolation strategy

Provision an isolated test database or container per run

Reset DB or use disposable containers to avoid cross-test pollution.

Generate unique test data per test run

Use timestamps or UUIDs for users, emails, and resources to avoid collisions.

Create and reuse auth storageState for authenticated flows

Generate storageState with a login script or Playwright flow

Run a trusted login once to save state.json for reuse in tests.

Load storageState in contextOptions and secure credentials

Apply storageState to browserContext; keep secrets out of the repo.

Configure parallel execution and worker limits in config

Set workers, shard tests if needed, and monitor for flaky failures.

Enable screenshots, traces, and videos on failure

Turn on artifacts for failing tests to speed up debugging.

Add visual snapshot baseline and comparison workflow

Store baselines and review diffs; keep visuals under source control or CI artifacts.

Integrate Playwright into CI and install browsers in pipeline

Install Playwright browsers in CI before running tests and cache node modules.

Upload test artifacts and HTML reports from CI

Publish traces, videos, screenshots, and HTML reports as CI artifacts for review.

Add retries, sensible timeouts, and flaky test annotations

Use retries sparingly and annotate flaky tests for future fixes.

Run tests locally in headed mode and use the inspector to debug

Use 'npx playwright test --headed --debug' to interactively reproduce failures.

Clean up test data and implement teardown scripts

Remove created users and reset external state after runs to avoid pollution.