Three tools are ruling the web automation market today: Playwright, Cypress, and Selenium. We’ll discuss these tools in detail in this blog.
Test automation is an important part of the software development lifecycle (SDLC). It allows development companies to test apps and software quickly and fix bugs before releasing the final products. Test automation not only improves the quality of digital products, it accelerates the product launch.
However, which automation tool is the best to test the software quality?
Multiple options are available. However, Playwright, Selenium, and Cypress always take the lead for their extensive features and ability to handle complex scenarios. Most QA teams rely on these three platforms to validate the product quality and remove potential bugs.
Each tool has its own strengths and limitations. An in-depth knowledge of these tools is essential to select the right one according to testing requirements.
Let’s conduct a detailed Playwright vs Cypress vs Selenium comparison to understand their functionalities and unique features and help developers make an informed choice.
What is Playwright?
Playwright is an open-source and relatively new automation tool used for cross-browser end-to-end testing. Developed by Microsoft, Playwright offers a fast and reliable testing experience. It can better handle browsers like Chromium, Firefox, and Webkit. Besides, developers can bind it with different programming languages like Python, JavaScript, Java, .Net, and Typescript.
Key Features
Unique features of the Playwright are:
- Minimum Flakiness: Playwright doesn’t perform any action unless actionable elements appear. The process reduces flakiness and resolves performed-related issues quickly.
- Unified API: With Playwright, you don’t need separate APIs for browsers or operating systems. The test automation tool offers one API to automate web, mobile, and desktop applications.
- Language Support: Playwright offers extensive support to developers for popular programming languages including Java, Python, JavaScript, C#, etc.
- Advanced Tools: Powerful tools like Playwright Inspector, Codegen, and Trace Viewer give Playwright advanced functionalities.
- Parallel Test Execution: Playwright natively supports parallel test execution that saves time and reduces product launch time.
Pros and Cons of Playwright
The below table presents the pros and cons of using Playwright for test automation:
Pros | Cons |
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What is Cypress?
Cypress is an open-source front-end testing framework. It allows developers to automate web and mobile app testing within a well-integrated environment. Besides, it supports JavaScript and simplifies asynchronous testing with the Macha test framework. Most tech professionals consider Cypress a strong alternative to Selenium for end-to-end browser testing automation.
Key Features
Explore some exciting features of Cypress below:
- Time-travel Debugging: Cypress offers step-by-step inspection and debugging of test execution
- Ease of Use: It has a user-friendly interface that makes it easy for testers to write and run tests seamlessly
- Built-in Test Runner: Simplifies test creation with built-in test runner and assertion library
- Fast Execution: Ensures faster test execution times
- Real-time Reloading: Makes debugging faster and more efficient with real-time reloading
Pros and Cons
The pros and cons of running tests with Cypress are given in the table below:
Pros | Cons |
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What is Selenium?
Selenium is a pioneer in the world of web app testing frameworks. It is a group of open-source tools that have been used for different types of testing browser apps for years. Primary components include Selenium Grid, Selenium RC, Selenium IDE, and Selenium WebDriver. The platform supports various browsers such as Chrome, Safari, Edge, Firefox, Opera, and IE. Besides, its scripts can be used with Java, JavaScript, Python, Ruby, and C#.
Key Features
Selenium brings in advanced features, including:
- Cross-platform Compatibility: Selenium works perfectly well with different platforms and operating systems like MacOS, Windows, Linux, etc.
- Large Community: Developers can benefit from a large and active community, learning resources, extensive documentation, and well-researched content.
- Stability and Efficiency: Selenium is second to none when it comes to the stability and reliability of automation tools. It is the preferred choice of millions of developers and testers worldwide.
- Robust Ecosystem: Users can leverage Selenium’s cutting-edge tools and frameworks for record and playback capabilities.
Pros and Cons
Selenium’s strengths and limitations are given in the table below:
Pros | Cons |
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Playwright vs Cypress vs Selenium: Detailed Comparison
Let’s compare the features and benefits of these three automation testing tools:
| Playwright | Cypress | Selenium |
Supporting Languages | JavaScript | Java, C#, Python, Ruby | JavaScript/TypeScript |
Supporting Browsers | Chrome, Edge, Firefox, Safari | Chrome, Edge, Firefox, Safari | Chrome, Edge, Firefox, Safari |
Supporting Frameworks | Jest/Jasmine, AVA, Mocha, Vitest | Mocha, Jest/Jasmine, TestNG, JUnit, Cucumber, NUnit | Mocha, Jest/Jasmine, Cucumber |
Integration | Easy | Easy | Easy |
Test Writing | Intuitive | Moderate | Intuitive |
User-friendliness | High | Low | High |
Community Support | Growing | Large | Large |
DOM Manipulation | Easy | Moderate | Easy |
Setup Complexity | Low | Moderate | Easy |
Parallel Execution | Yes | Yes | Yes |
Debugging tools | Built-in | No | Built-in |
User dashboard | No | No |
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Cross-domain testing | Yes | Yes | Yes (Premium) |
Automating waiting | Yes | No | Yes |
Screenshot & video recording | Yes | No | Yes |
Pricing | Free | Free | Free and paid |
Choosing the Right Tool
Each test automation type and tool is different. The selection of the right tool depends on factors like project requirements, scalability needs, and client expectations. The knowledge and experience of the QA team also play an important role in making the final decision.
Hence, there is no absolute verdict on which test automation tool is perfect. However, if talk about reliability and cross-platform support, Selenium beats the rest. Its user-friendly interface and straight learning curve make it an ideal choice for end-to-end testing.
On the other hand, Cypress is perfect for in-browse testing and unit testing. Likewise, Playwright also offers cross-browser support and allows developers to automate mobile device emulation.
So, before making the final decision, always consult your team and understand your project requirements to deliver the best possible results.