Search
  • +44-7459919437 (UK- WhatsApp & Direct Call) | +91-6383544892 (India - WhatsApp Only) | Email Id : vinothrwins@gmail.com
Vinoth Tech Solutions
  • Home
  • Selenium Java Online Training
  • Self Paced Video Course
    • Selenium Course Curriculum
    • Cypress Course Curriculum
    • Playwright Course Curriculum
  • Tutorials
  • Demo Sites
    • E-Commerce Demo Application
    • Practice Automation
      • Demo Page Healthcare
      • Registration Form
      • Transaction Details
      • DropDown
      • Mouse Event
      • Keyboard Events
      • Alert and Popup
      • Multiple Windows
      • iFrames
      • Wait WebElement
      • WebTable
  • FAQS
  • About Me & Feedback
    • Placed Students Feedback
    • Online Training Feedback
    • LinkedIn Profile
    • TechTalk
  • Free YouTube Courses
    • Python for Automation
    • Free QA Video Courses
      • Manual Testing
      • Java For Automation
      • Selenium Webdriver
      • TestNG
      • Cucumber BDD
      • UFT(QTP) Automation
    • Free Data Science Courses
      • Artificial Intelligence for Beginners
      • Python For A.I
      • Python Pandas
      • Python NumPy
      • Mathematics for A.I
  • Home
  • Selenium Java Online Training
  • Self Paced Video Course
    • Selenium Course Curriculum
    • Cypress Course Curriculum
    • Playwright Course Curriculum
  • Tutorials
  • Demo Sites
    • E-Commerce Demo Application
    • Practice Automation
      • Demo Page Healthcare
      • Registration Form
      • Transaction Details
      • DropDown
      • Mouse Event
      • Keyboard Events
      • Alert and Popup
      • Multiple Windows
      • iFrames
      • Wait WebElement
      • WebTable
  • FAQS
  • About Me & Feedback
    • Placed Students Feedback
    • Online Training Feedback
    • LinkedIn Profile
    • TechTalk
  • Free YouTube Courses
    • Python for Automation
    • Free QA Video Courses
      • Manual Testing
      • Java For Automation
      • Selenium Webdriver
      • TestNG
      • Cucumber BDD
      • UFT(QTP) Automation
    • Free Data Science Courses
      • Artificial Intelligence for Beginners
      • Python For A.I
      • Python Pandas
      • Python NumPy
      • Mathematics for A.I

TestNG Framework

  • What is TestNG Framework?
  • Advantages and Disadvantages of TestNG:
  • Difference between TestNG And Junit framework
  • What is TestNG Annotations?
  • Install TestNG In Eclipse & IntelliJ?
  •  Hierarchy In TestNG Annotations
  • TestNG’s prioritization
  • TestNG Dependent
  • Reporter Class in TestNG
  • TestNG Reports
  • Assertions in TestNG
  • TestNG Groups
  • TestNG Parameters
  •  Cross-Browser Testing in TestNG
  •  Parallel Testing in TestNG
  • Data Providers
  • TestNG Listeners
  • Rerunning failed tests in TestNG
View Categories
  • Home
  • Tutorials
  • TestNG
  • TestNG Framework
  • What is TestNG Framework?

What is TestNG Framework?

What is TestNG Framework?

TestNG is a testing framework for the Java programming language, inspired by JUnit and NUnit but designed to cover a wider range of testing needs, from unit to integration tests. Its name “NG” stands for “Next Generation.”

Why Use TestNG in Automation Testing?

TestNG’s design addresses several pain points commonly encountered in automation testing, making it particularly well-suited for building robust and maintainable test suites:

  1. Rich, Flexible Annotations

Fine-grained lifecycle control (@BeforeSuite, @AfterMethod, etc.) streamlines setup and teardown across different levels (suite, test, class, method).

Allows grouping of related tests and configuration methods to keep test code modular and readable.

  1. Built-in Data-Driven Testing

The @DataProvider feature lets you easily parameterize tests with diverse data sets without external libraries.

Supports complex scenarios (e.g., reading data from Excel, CSV) while keeping test methods concise.

  1. Dependency Management

  • Tests often have logical prerequisites (e.g., login must succeed before placing an order). TestNG lets you declare such dependencies explicitly, preventing false positives/negatives.
  1. Parallel Test Execution

  • Reduces overall execution time by running tests concurrently at the method, class, or suite level.
  • Thread-safe annotations and configuration ensure reliable results even under heavy parallel loads.

  1. XML-Based Configuration

  • The testng.xml file provides a single point to define suites, tests, groups, parameters, and parallelization settings without changing code.
  • Enables non-developers (e.g., QA leads) to control test execution dynamically.

  1. Extensibility and Listeners

  • Custom listeners (ITestListener, ISuiteListener) can hook into test events (start, success, failure) for advanced reporting, logging, or integration with tools like Allure and Extent Reports.

  1. Robust Reporting

  • Generates detailed HTML and XML reports by default, summarizing test outcomes, execution times, and stack traces for failures.
  • Easily hooks into CI/CD dashboards (e.g., Jenkins, GitHub Actions) to provide instant feedback on code quality.

  1. Seamless CI/CD Integration

  • TestNG integrates smoothly with build tools (Maven, Gradle) and CI servers, automating test runs on every commit or merge.

By leveraging these capabilities, TestNG empowers automation teams to write clearer, more maintainable tests, accelerate execution, and obtain actionable feedback—driving higher quality and faster delivery cycles.

History and Evolution of TestNG

TestNG was born out of the need for a more flexible testing framework for Java than JUnit offered. In 2004, Cédric Beust introduced the first version of TestNG, focusing on richer annotations and configuration options to support more complex testing scenarios.

Over the next few years, TestNG rapidly evolved:

  • 2005: Added support for test grouping and dependency management, allowing tests to express prerequisites and logical groupings.
  • 2006: Introduced the @DataProvider feature, enabling seamless data-driven testing within test methods.
  • 2007: Enhanced parallel execution capabilities, letting users run methods, classes, or suites concurrently to speed up large test runs.
  • 2009: Integrated out-of-the-box with build tools like Maven and Ant, simplifying test execution as part of continuous build processes.
  • 2015–Present: Continued maintenance by the community, with major releases adding improved reporting, stability fixes, Java 8+ support, and tighter integration with CI/CD ecosystems like Jenkins and GitHub Actions.

Today, TestNG remains a cornerstone of Java test automation, valued for its extensibility, active community support, and seamless integration with modern development workflows.

testng framework
What are your Feelings
Share This Article :
  • Facebook
  • X
  • LinkedIn
Advantages and Disadvantages of TestNG:
© 2018 – 2025 Vinoth Tech Solutions Ltd (UK), Reg. No: 16489105