TestNG is a unit testing framework which plays a major role in developing Test Automation frameworks using Java Programming language. Basically, TestNG is a user-friendly automation framework that overcomes the drawbacks and limitations of JUnit. Thus, introducing an entirely new set of features which makes it more powerful and useful. This automated testing framework helps in elimination of numerous limitations of the older framework. It facilitates the ability to write more flexible and powerful tests. It’s an open source framework and it can be used for any testing, API or UI testing.
Advantages of TestNG Unit Testing Framework
Below are the advantages of using TestNG Unit Testing Framework:
Installing TestNG
To use TestNG Unit Testing Framework in Selenium Java Project, we must perform the below tasks:
TestNG Annotations
TestNG provides a huge set of annotations. The main reason behind TestNG’s popularity is nothing but the TestNG annotations, which can be used for configuring the test cases in selenium automation. Their annotations need to be used with Java methods, i.e., a line before the beginning of the Java methods. When a particular TestNG annotation is used before the Java method, the Java method will behave differently based on the specified annotation.
TestNG annotations begin with @ symbol. To use TestNG for executing the Selenium Automation code, the usage of the main() method in Java is no longer required. Using TestNG annotations, we can specify which methods need to be executed first and which methods can be executed later and so on.
Below are the different TestNG annotations which can be used in Selenium Automation:
TestNG is a reliable Java-based testing framework capable of producing easy-to-understand HTML reports that can be generated automatically. It has certain advantages over JUnit like annotations, easily grouped test cases, capability to create parallel tests and many more. It makes automated tests more structured, readable, maintainable and user-friendly. It's high-end annotations like data-provider makes it easier to scale up as we can perform cross-browser testing across multiple devices, browsers, and their versions.
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