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Protractor vs WebdriverIO: What are the differences?
Protractor vs WebdriverIO
Key Differences
Protractor and WebdriverIO are popular automation testing frameworks used for web applications. While they both serve a similar purpose, there are several key differences between the two.
Language Support: Protractor is primarily used for testing Angular applications and is written in JavaScript. On the other hand, WebdriverIO supports multiple programming languages such as JavaScript, TypeScript, and even PureScript, making it more versatile for testing different types of applications.
Testing Paradigm: Protractor follows a behavior-driven development (BDD) approach that emphasizes collaboration between developers, testers, and business stakeholders. It uses a rich set of declarative statements, enhancing readability. In contrast, WebdriverIO follows a more traditional, structure-based testing approach, providing more control and flexibility to the testers.
Browser Compatibility: Protractor is tightly coupled with the Selenium WebDriver library, which allows it to work seamlessly with different browsers. It provides built-in support for multiple browser environments through browser-specific drivers. WebdriverIO, however, can run tests on browsers using the WebDriver protocol or Chrome DevTools protocol, allowing it to support a wider range of browsers and devices.
Speed and Performance: WebdriverIO is known for its fast execution speed and great performance. It adopts a smart execution strategy by running multiple test cases in parallel, reducing the overall test execution time. Protractor, while efficient, may be slower compared to WebdriverIO due to its additional overhead caused by Angular-specific features.
Development and Community Support: Protractor was initially developed and maintained by AngularJS, resulting in strong community support and regular updates. However, with the release of Angular 2+ and the shift towards other testing frameworks, the Protractor community has somewhat diminished. WebdriverIO, on the other hand, has a growing and vibrant community, actively contributing to its development, providing support, and adding new features.
Documentation and Learning Curve: Protractor has extensive documentation, making it easy for beginners to get started with Angular-specific testing. It provides a comprehensive guide and vast resources for troubleshooting common issues. WebdriverIO also has well-maintained documentation, but as it supports multiple frameworks and technologies, the learning curve might be slightly steeper for beginners.
In summary, Protractor is favored for testing Angular applications, provides BDD-style testing, and has great browser compatibility. On the other hand, WebdriverIO supports multiple programming languages, follows a structure-based testing approach, has better performance, growing community support, and supports a wider range of browsers and devices.
In the company I will be building test automation framework and my new company develops apps mainly using AngularJS/TypeScript. I was planning to build Protractor-Jasmine framework but a friend of mine told me about Cypress and heard that its users are very satisfied with it. I am trying to understand the capabilities of Cypress and as the final goal to differentiate these two tools. Can anyone advice me on this in a nutshell pls...
I've used both Protractor and Cypress extensively. Cypress is the easier and more reliable tool, whereas Protractor is the more powerful tool. Your choice of tool should depend on your specific testing needs. Here are some advantages and disadvantages of each tool:
Cypress advantages:
Faster
More reliable (tends to throw fewer intermittent false failures)
Easier to read code (handles promises gracefully)
Cypress disadvantages:
Cannot switch between browser tabs
Cannot switch to iFrames
Cannot specify clicks or keypresses explicitly as if a real user was interacting
Cannot move the mouse to specific co-ordinates
Sometimes has trouble switching between different top-level domains, so not good for testing external links
Cypress is a newer tool with less extensive documentation and less community support
Protractor advantages:
More powerful because it is Selenium-based - it can switch between tabs, it can handle external links to other domains, it can handle iFrames, simulate keypresses and clicks, and move the mouse to specific co-ordinates within the browser.
More extensive community support and documentation
Protractor disadvantages:
Slower and more brittle - in general there is a higher likelihood of cryptic and/or intermittent errors which may cause your tests to fail even though there is nothing wrong with your application
For highly experienced automation engineers, the fundamental "brittle" nature of Selenium can be worked around - it can be reliable but only if you really know what you are doing
Less graceful handling of promises - relies on async/await or .then to manage the order of execution. Therefore it is a bit harder to read the code.
Harder to set up, and the method of setup impacts its reliability. For example, a hub/node configuration where the selenium jar is on a different physical machine than the browser under test will cause unreliability in your tests. Not everyone knows about this type of thing, so it's common to find Selenium frameworks that are set up poorly.
It's probably better to use Cypress if
you're at a smaller company and have a close relationship with developers who can help write hooks or stubs in their code to assist your testing
you don't need to do things like switch between tabs or test links to external top-level domains
It's probably better to use Protractor if
You might need to switch between tabs or test external links to other domains within the scope of your framework
You want to use a more accurate simulation of how a real user interacts with a browser (i.e. click at this location, type these keys)
You're at a company where you won't have any support from developers in writing hooks or stubs to make their code more testable in a less powerful framework like Cypress
Please try Handow, the e2e tool basing on Puppeteer.
Gherkin syntax compatible
Chrome/Chromium orentied, driven by Puppeteer engine
Complete JavaScript programming
Create test suites rapidly without coding (or a little bit), basing on built-in steps library
Schedule test with plans and arrange stories with sequential stages
Fast running, execute story groups in parallel by multi-workers
Built-in single page report render
Cover page view, REST API and cookies test
we are having one web application developed in Reacts.js. in the application, we have only 4 to 5 pages that we need to test. I am having experience in selenium with java. Please suggets which tool I should use. and why ............................ ............................ .............................
with the help of selenium we can automate react js for functional testing
Hi, I am starting out to test an application that is currently being developed - FE: React. BE: Node JS. I want the framework to be able to test all UI scenarios (from simple to complex) and also have the capability to test APIs. I also need to run tests across all OSs and Browsers (Windows, Mac, Android, iOS). I have also looked into react-testing-library and @TestProject.io. Any advice you can give as to which framework would be best and why would be so much appreciated! Thank you!!
You should also definitely look into Playwright, which is a new automation tool from Microsoft building on top of the Puppeteer experience and trying to bring this experience in the cross browser space - very exciting project. Great team. Also CodeceptJS as already Playwright support which at a ton of valuable features on top of Playwright, give it a go!
I'm also looking for the same, FE: React & BE: NodeJS. Cypress won't help as it lacks cross-browser testing, it doesn't support all the browsers. I'm still investigating it, but looks like WebdriverIO may fulfil what I'm looking for - Cross-browser testing, integration with CI/CD, running it as a docker service, good support on assertions & reporting of test results. Let me know if you found any information on any of the above mentioned points.
Hi Esther, if you really need cross OS and cross device automation Cypress wont help, with WebdriverIO you can do it … and check out CodeceptJS, which is a wrapper around several frameworks (like WebdriverIO) and will support future players (currently for example upcoming Playwright) as well.
Pros of Protractor
- Easy setup9
- Quick tests implementation8
- Flexible6
- Open source5
- Promise support5
Pros of WebdriverIO
- Various integrations to vendors like Sauce Labs11
- Open Source10
- Great community8
- Easy to setup7
- Best solution for broad browser support4
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Cons of Protractor
- Limited4
Cons of WebdriverIO
- High maintenance8