Created by Cedric Beust

TestNG is a Testing Framework inspired by JUnit and NUnit introducing more functionalities for easy use, grouping, prioritization etc.
It is also popular for organising tests in a structural format to enhance the maintainance and readability of the script. Mostly used by Developers and Testers

It has :

• Annotations
  
• Running tests as per class, tests, suite, etc
  
• Supports Data-Driven Testing
  
• Supports Parallel Testing
  
• Supports Parameters
• Reporting for every failure or sucessful or skipped tests, etc.
  

Also covers different kinds of test categories such as : Unit Testing, Integration Testing, Functional Testing, etc.

Requirements

JDK 8 or higher

Execution in three simple steps :

• Writing business logic for our tests and inserting testNG annotations
• Adding information like - Class, Suite, Group etc to testng.xml
• Executing testng