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Mastering Playwright: Modern Web Browser Automation

From First Script to Enterprise-Scale Test Frameworks

Mastering Playwright: Modern Web Browser Automation
This book is 100% completeLast updated on 2026-07-31
Steve Publications

Whether you're writing your first automated test or building a large-scale testing platform, Mastering Playwright takes you from the fundamentals to advanced, production-ready automation techniques. Through practical examples, proven design patterns, and real-world guidance, you'll learn how to create fast, reliable, and maintainable test suites that scale with your applications and your team.

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About

About the Book

This is a complete guide to web browser automation with Playwright, written for JavaScript and TypeScript developers and QA engineers who want to build reliable, maintainable test suites in production. You will learn how Playwright works under the hood, from installation through advanced patterns like Page Object Model, API testing, network interception, parallel execution, and CI/CD integration. Every chapter includes practical code examples, real-world scenarios, and actionable guidance so you can design, build, and scale robust automation solutions that your team can trust.

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Automated Software TestingWeb DevelopmentSoftware Engineering

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Author

About the Author

Steve Publications

Steve is a technology professional with more than 20 years of experience spanning software development, server infrastructure, cybersecurity, vulnerability research and reverse engineering. His work focuses on understanding complex systems, uncovering security weaknesses and developing practical solutions that make technology more secure, reliable and effective.

Through Steve Publications, he collaborates with experienced researchers, engineers and industry experts to create practical, technically rigorous books on various topics not limited to self-improvement, software development, cybersecurity, cloud computing, DevOps, artificial intelligence and enterprise technologies. His mission is to make complex technical subjects accessible through clear explanations, real-world examples and hands-on exercises that help IT professionals, students and technology enthusiasts build valuable, practical skills.

Steve Publications embraces AI as a supporting tool for translation, proofreading and editorial refinement, not as a substitute for original research, technical expertise, or hands-on experience. Some contributors choose to publish under pseudonyms to protect their privacy or maintain professional boundaries.

Behind every book is a commitment to technical accuracy, practical relevance and continuous improvement. Our publications are written, reviewed and maintained by experienced professionals, with support from a private community of more than 420 engineers and researchers. Rather than prioritizing volume or mass-produced AI-generated content, we focus on delivering reliable, useful resources that readers can apply in real-world environments.

We also welcome experienced professionals who want to share their knowledge by writing or reviewing books, particularly in specialized and emerging technology fields. If you have expertise to contribute, we invite you to get in touch and explore opportunities to collaborate.

Our commitment is simple: To deliver books that respect our readers' time, support their professional growth and provide lasting practical value. If a book does not meet your expectations, Leanpub offers a 60-day money-back guarantee.

Contents

Table of Contents

From First Script to Enterprise-Scale Test Frameworks

Introduction

  1. Who This Book Is For
  2. How to Use This Book
  3. A Note on Versions
  4. Where to Go Next

Chapter 1: The Browser Automation Landscape

  1. Chapter 1 Summary
  2. Code Comparison: Playwright vs Selenium WebDriver

Chapter 2: Under the Hood: How Browsers and Playwright Work

  1. Chapter 2 Summary
  2. Demonstrating Browser Context Isolation

Chapter 3: Installation and First Steps

  1. Chapter 3 Summary
  2. Environment-Specific Configuration Walkthrough

Chapter 4: Selectors and Locators: Finding What You Need

  1. Chapter 4 Summary
  2. Practical Locator Selection Walkthrough

Chapter 5: Page Interactions: Clicking, Typing, and Navigating

  1. Chapter 5 Summary
  2. Complete Form Submission Walkthrough

Chapter 6: Waits, Synchronization, and Timing

  1. Chapter 6 Summary
  2. Auto-Waiting vs Explicit Waits: Practical Comparison

Chapter 7: Assertions and Validation

  1. Chapter 7 Summary
  2. Complete Product Page Validation Walkthrough

Chapter 8: Test Organization: Fixtures, POM, and Architecture

  1. Chapter 8 Summary
  2. Parameterized Testing with External Test Data

Chapter 9: API Testing and Network Interception

  1. Chapter 9 Summary
  2. Complete Hybrid API and Browser Testing Walkthrough

Chapter 10: Parallel Execution, Cross-Browser, and Mobile Testing

  1. Mobile-First Debugging Techniques
  2. Real-Device vs. Emulator Trade-offs
  3. Common Mobile Flakiness Patterns and Fixes
  4. Chapter 10 Summary
  5. Complete Parallel Execution Configuration Walkthrough

Chapter 11: Debugging, Performance, and Security

  1. Chapter 11 Summary
  2. Debugging Workflow: From Failure to Fix

Chapter 12: CI/CD Integration: Shipping Playwright in Production

  1. GitHub Actions: The Complete Workflow
  2. Browser Binary Caching Strategies
  3. Runner Sizing and Cost Optimization
  4. GitLab CI: Equivalent Configuration
  5. Jenkins Pipeline: Equivalent Configuration
  6. Migration Path Between Platforms
  7. Chapter 12 Summary
  8. CI Platform Comparison: Same Logic, Different Syntax
  9. Summary of CI/CD Best Practices

Chapter 13: The ShopTest Project: From First Script to Enterprise Framework

  1. Chapter 3: The First Test
  2. Chapter 4: Locators: Finding What You Need
  3. Chapter 5: Interactions: Clicking, Typing, and Navigating
  4. Chapter 7: Assertions: Validating Behavior
  5. Chapter 8: Test Organization: POM and Fixtures
  6. Chapter 9: API Testing and Network Interception
  7. Chapter 10: Parallel Execution, Cross-Browser, and Mobile Testing
  8. Chapter 12: CI/CD Integration: Shipping in Production
  9. The Complete ShopTest Suite
  10. What Comes Next

Conclusion: Building Automation That Lasts

  1. What Makes Automation Succeed or Fail
  2. The Path Forward

References

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