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Playwright VS TestNG

Compare Playwright VS TestNG and see what are their differences

Playwright logo Playwright

Playwright is automation software for Chromium, Firefox, Webkit using the Node.js library having a single API in place.

TestNG logo TestNG

TestNG is a testing framework.
  • Playwright Landing page
    Landing page //
    2023-06-22
  • TestNG Landing page
    Landing page //
    2022-06-12

Playwright features and specs

  • Cross-Browser Testing
    Playwright supports testing on Chromium, Firefox, and WebKit, providing comprehensive coverage across different browsers, thus ensuring greater compatibility and a wider test reach.
  • Auto-Wait Mechanism
    Playwright automatically waits for elements to be actionable before performing interactions, reducing the need for explicit wait commands and helping to make tests more reliable and less flaky.
  • Headless Testing
    Playwright supports headless mode for all browsers, which allows for faster test execution and reduced resource consumption, making it ideal for continuous integration systems.
  • Context Isolation
    Playwright introduces the concept of browser contexts, which allows for isolated execution environments within a single browser instance. This enables parallel testing with reduced overhead.
  • Extensive API
    Playwright offers a wide range of APIs that cover user interactions, network interception, and browser automation, providing developers with powerful tools to create robust tests.
  • Network Interception
    Playwright can intercept and modify network requests and responses, allowing for advanced testing scenarios such as mocking APIs and simulating different network conditions.
  • Strong Documentation
    Playwright provides thorough and detailed documentation, making it easier for developers to learn and effectively utilize the framework.
  • Rich Debugging Features
    The framework includes features like verbose logging and debugging capabilities, which facilitate easier troubleshooting and quicker resolution of issues.
  • Support for Multiple Languages
    Playwright supports multiple programming languages, including JavaScript, TypeScript, Python, C#, and Java, offering flexibility to developers based on their preference.
  • Community and Support
    The Playwright project has an active community and regular updates, ensuring continuous improvement and access to support from both the community and the development team.

Possible disadvantages of Playwright

  • Steeper Learning Curve
    Due to its extensive capabilities and API, Playwright might have a steeper learning curve for beginners compared to some simpler testing tools.
  • Performance Overhead
    While Playwright aims to be efficient, its feature-rich nature can sometimes introduce performance overhead, particularly for complex test suites.
  • Evolving Ecosystem
    The relatively rapid development and updates can occasionally lead to breaking changes, requiring teams to frequently update their test scripts.
  • Less Mature Ecosystem
    Compared to more established tools like Selenium, Playwright's ecosystem is still maturing, which may result in fewer third-party plugins and integrations.
  • Limited Browser Versions
    Playwright's focus on modern browsers and web standards might make it difficult to test older browser versions or niche browsers, potentially limiting test coverage for legacy systems.
  • Resource Intensive
    Running multiple browser contexts and handling extensive network interception can be resource-intensive, requiring more powerful hardware or cloud resources for large test suites.

TestNG features and specs

  • Parallel Testing
    TestNG allows the execution of tests in parallel, which can greatly reduce the time required for test execution by making full use of available resources.
  • Annotations
    TestNG uses more powerful and flexible annotations compared to JUnit, which provide greater control over the setup, execution, and teardown of tests.
  • Data-Driven Testing
    It supports data-driven testing through the use of data providers, allowing the execution of tests with multiple sets of data seamlessly.
  • Flexible Test Configuration
    TestNG provides flexible test configuration options, such as setting the order of test methods execution, grouping tests, and allowing dependencies between test methods.
  • Integration with Build Tools
    TestNG easily integrates with popular build tools such as Maven and Gradle, facilitating continuous integration and continuous deployment (CI/CD) processes.

Possible disadvantages of TestNG

  • Complexity
    TestNG's extensive feature set can lead to added complexity in test suite configuration, especially for new users who are unfamiliar with the framework.
  • Verbose XML Configuration
    Managing test configurations through XML files can become verbose and hard to maintain, especially for large test suites with numerous configurations.
  • Limited Community Support
    Compared to more established frameworks like JUnit, TestNG has a smaller community, which can limit the availability of tutorials, documentation, and best practices.
  • Steeper Learning Curve
    For teams that have traditionally used other testing tools, the transition to TestNG may involve a steeper learning curve due to its different approach and features.

Analysis of Playwright

Overall verdict

  • Playwright is a strong choice for browser automation and end-to-end testing due to its reliability, cross-browser support, and extensive features designed to improve test effectiveness and developer productivity.

Why this product is good

  • Playwright is considered good because it provides end-to-end testing capabilities across multiple browsers (Chromium, Firefox, and WebKit) with a single API. It supports multiple languages including JavaScript, TypeScript, Python, C#, and Java, making it versatile for different developer preferences. It offers headless and headed execution, robust automation capabilities, and improved speed and reliability over other testing frameworks. Additionally, Playwright's features like auto-wait, tracing, and capturing screenshots/videos of test runs make debugging easier.

Recommended for

  • Developers seeking cross-browser automated testing solutions
  • Teams working with multiple programming languages who require versatile testing tools
  • Projects requiring reliable, end-to-end testing capabilities
  • Organizations looking to integrate testing with CI/CD pipelines
  • Developers needing advanced debugging and tracing tools for tests

Playwright videos

Generate tests in VS Code

More videos:

  • Review - Playwright Brittany K. Allen wins 2021 Georgia Engel Comedy Playwriting Prize

TestNG videos

TESTNG FAKE DESIGNER ITEMS FROM VOVA - IS IT A SCAM?!

Category Popularity

0-100% (relative to Playwright and TestNG)
Development
100 100%
0% 0
Automated Testing
84 84%
16% 16
Online Services
0 0%
100% 100
Browser Testing
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Playwright and TestNG

Playwright Reviews

Top Selenium Alternatives
Playwright offers a modern approach with auto-wait APIs and more native support for modern web features compared to Selenium's more manual and broad approach. While Selenium requires explicit waits and has a broader language support, Playwright focuses on simplifying cross-browser testing with its unified API and auto-wait features, which might reduce setup and test...
Source: bugbug.io
Top 5 Selenium Alternatives for Less Maintenance
Appium and Playwright closely resemble Selenium in terms of functionality but offer unique features and advantages. Both of these solutions require coding experience. Leapwork, a commercial vendor, uses Selenium under the hood to power their visual automation approach.
20 Best JavaScript Frameworks For 2023
Playwright, a Node.js library created by Microsoft, is considered one of the best JavaScript frameworks for testing. It automates Chromium, Firefox, and WebKit with a single API. Developers building JavaScript code can use these APIs to build new browser pages, go to URLs, and interact with page elements. Additionally, Playwright can automate Microsoft Edge since it is based...

TestNG Reviews

Top 10 Best Selenium Alternatives You Should Try
Important and influential features of TestNG over Selenium are flexible test configuration, powerful execution model, annotations, supports data-driven testing, multi-threading, etc. TestNG means Test Next Generation.

Social recommendations and mentions

Based on our record, Playwright seems to be a lot more popular than TestNG. While we know about 325 links to Playwright, we've tracked only 6 mentions of TestNG. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Playwright mentions (325)

  • Buzzword Bingo: An Experiment in Spec-Driven AI Development
    There is no live demo, but you can have a look at the screenshots taken by playwright during testing. - Source: dev.to / 6 days ago
  • How We Test an AI Product Without Burning Credit
    We ran straight into this while building a course product on top of The AI Platform. I want to walk you through how we ended up testing the whole chat flow end to end with Playwright. - Source: dev.to / 8 days ago
  • An Agent That Hunts Bugs in My App While I Sleep
    The app under test is The AI Platform by Zephyr Cloud, a desktop app where teams work alongside AI specialists in channels. The agent drives the real, signed-in desktop app with Playwright over CDP, the Chrome DevTools Protocol. Not a stripped-down test build, the same app a person uses. - Source: dev.to / 8 days ago
  • How to Build an Unblockable AI Agent for Browser Automation with JavaScript, Bright Data, Gemini, and Playwright
    Yes. Bright Data and Playwright solve different problems. Playwright controls the browser by clicking, typing, navigating, and extracting data, while Bright Data provides a cloud browser environment designed to access modern websites reliably. Together they create a much more robust browser automation stack than using either tool alone. - Source: dev.to / 14 days ago
  • What only the pixels knew: giving a canvas agent eyes
    The agent's screenshot_board tool drives a Playwright browser running as a sibling container, navigates to the tokenized render route, screenshots the stage as a JPEG, and passes the image block straight through to the model. The budget is five shots per session, which turns out to be plenty: the working rhythm that emerged is look, move, look again. Think with the document, judge with the pixels. - Source: dev.to / about 1 month ago
View more

TestNG mentions (6)

  • Five Advanced Techniques to Improve Automated Testing by 50%
    However, you must note that over-parallelization can cause resource contention and performance issues, so monitor it. Use tools like pytest-monitor, TestNG, and Appium to find your optimal parallel execution configuration. - Source: dev.to / over 1 year ago
  • Top 10 Java Testing Tools Every Developer Should Know
    Inspired by JUnit, TestNG offers advanced features for complex, large-scale testing scenarios, covering unit, functional, integration, and end-to-end tests. - Source: dev.to / over 1 year ago
  • Test Automation: Guide to Selenium with Java and TestNG
    If youโ€™re interested in learning more about TestNG, visit its official website for additional information. - Source: dev.to / almost 2 years ago
  • The Top 15 API Testing Frameworks: Your Ultimate Guide
    Introduction: TestNG is a versatile testing framework that accommodates various testing needs, including unit, functional, and integration testing. It's particularly useful for Java developers looking for a comprehensive solution. - Source: dev.to / almost 2 years ago
  • Why does Rusts testing tools seem so much less polished compared to its other tooling?
    Testing tools on the JVM stopped using reflection about twenty years ago, they all use annotations these days (e.g. https://testng.org, https://junit.org). Rust has annotations too, obviously. Source: almost 4 years ago
View more

What are some alternatives?

When comparing Playwright and TestNG, you can also consider the following products

puppeteer - Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium...

JUnit - JUnit is a simple framework to write repeatable tests.

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

Arquillian - Arquillian is an open-source testing platform that offers no more container lifecycle, deployment hassles, and mocks.

Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Cucumber - Cucumber is a BDD tool for specification of application features and user scenarios in plain text.