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Playwright ​

Playwright is a modern, open-source automation framework for testing web applications.
It allows you to control real browsers (Chromium, Firefox, and WebKit) and simulate how a real user interacts with a website.

Further information

Link: Playwright Documentation

Key features ​

  • Fast & reliable (automatic waiting, reduced flakiness)
  • Cross-browser (Chrome/Chromium, Firefox, Safari/WebKit)
  • Cross-language (JavaScript/TypeScript, Python, Java, .NET)
  • Great for end-to-end testing
  • Supports API testing, mobile emulation, and visual testing

Advantages of Playwright ​

Very reliable (low flakiness) ​

Playwright automatically waits for elements to be ready (loaded, visible, stable), which greatly reduces flaky tests.

Fast execution ​

  • Parallel test execution by default
  • Modern browser automation API
  • Supports headless and headed modes

True cross-browser support ​

Supports all major engines:

  • Chromium (Chrome, Edge)
  • Firefox
  • WebKit (Safari engine)

Multi-language support ​

Write tests in:

  • JavaScript / TypeScript
  • Python
  • Java
  • .NET

Powerful debugging tools ​

  • Trace viewer
  • Codegen (auto-generates test code)
  • Screenshots, videos, network logs

All-in-one testing framework ​

Includes:

  • Test runner
  • Reporter
  • Parallelization
  • Tracing, video, and screenshot capture

Built-in API testing ​

Combine UI and API tests in a single workflow.

Mobile browser emulation ​

Emulates iOS and Android browsers via WebKit and Chromium.

CI/CD friendly ​

Fast, stable, and easy to use in pipelines (GitHub Actions, Docker, etc.).

When to Use Playwright ​

Use Playwright when:

  • You need cross-browser testing (Chrome, Firefox, Safari)
  • You want fast, reliable end-to-end tests
  • You're building modern web applications
  • You need both UI and API testing
  • You want excellent debugging tools
  • Your team uses TypeScript/JavaScript (also supports Python, Java, .NET)

Consider alternatives when:

  • You only need to test Chrome (Puppeteer might be simpler)
  • You're testing legacy applications that require older browser versions
  • Your team is heavily invested in another tool's ecosystem

Getting Started ​

Installation ​

bash
npm init playwright@latest

This command will:

  • Install Playwright and browsers
  • Create configuration file
  • Add example tests
  • Set up GitHub Actions workflow

Run Tests ​

bash
# Run all tests
npx playwright test

# Run tests in headed mode
npx playwright test --headed

# Run tests in UI mode
npx playwright test --ui

# Generate code
npx playwright codegen

Learn More

For detailed usage, commands, and best practices, see the Playwright Usage Guide.

Contact: M_Bergmann AT gmx.at