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Which supports parallel test execution in Selenium?
TestNG is a test automation framework that allows you to efficiently organize your tests and maintain readability as well. With its support for parallel testing, TestNG makes it easy to perform parallel test execution. Using the auto-defined XML file, you can specify parallel attributes to classes, tests, and methods.
Which component of Selenium is used for parallel execution?
Selenium Grid
Selenium Grid – It is often used for parallel execution. Selenium Grid and Selenium RC worked together to run test cases concurrently in multiple machines, browsers and platforms.
How do you get parallel execution in Selenium?
Along with the parallel attribute, the thread-count attribute helps in defining the number of threads one wishes to create while running the tests in parallel. For example, in case one has three methods, with thread count as two, then during execution, two threads shall start in parallel with the corresponding methods.
Why do we use parallel testing in selenium?
Parallel testing is used heavily with Selenium because of the importance of cross-browser testing in the market today. If we have so many browsers with a different version, we can just create a browser matrix and run the tests parallelly, saving us a ton of resources such as time.
Why do we use parallel execution in TestNG?
Allow Multi-Threaded Tests: Using the parallel execution in TestNG, we can allow multiple threads to run simultaneously on the test case providing independence in the execution of different components of the software. As the two sides of the coin, parallel testing in TestNG also offers some disadvantages given as follows:
How is a sessionid created in parallel in selenium?
A new sessionID is created for a new instance of WebDriver. One session will bind with one particular browser. Using attribute thread and parallel, you run your scripts in parallel.
How to run parallel tests in two different browsers?
Let us consider the same code snippet that contains the two methods, which would run in parallel in two different browsers, one is a test on Chrome, and another is a test on Firefox.