Working with TestNG - Starters Guide

What is TestNG?

Standard Definition: TestNG is a testing framework inspired from NUnit and JUnit but introducing some new functionality that make it more powerful and easier to use.

TestNG testing framework is derived from JUnit and NUnit but it is not an extension of JUnit and it is an open source. TestNG is more powerful than JUnit and is designed to test integrated classes. It overcomes the limitations of JUnit and "NG" stands for "Next Generation". It borrows Annotations from Java introduced with JDK 5.0 to define tests.

TestNG advantages over JUnit

There are advantages of TestNG:

• Annotations made testers life easy
• Test cases can be grouped and prioritized more easily
• Generates logs
• Data parameterization
• Parallel testing is possible

Features of TestNG:

• TestNG has more annotations compare to JUnit like Before Suite, After Suite, Before Groups , After Groups, @priority
• TestNG supports Dependent test methods, load testing, parallel testing and partial failure
• TestNG supports simple annotations.
• TestNG supports integrated classes testing there is no need to create a new class instance every test method.
• TestNG has inbuilt html reporting
• TestNG supports multi-threading parallel execution
• TestingNG can be executed from command line
• TestNG has flexible runtime configuration.
• TestNG is very flexible for plug-in API.

Here is where TestNG sits