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  • 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
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  • FAQS
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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
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  • Home
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  • TestNG
  • TestNG Framework
  • Advantages and Disadvantages of TestNG:

Advantages and Disadvantages of TestNG:

Advantages and Disadvantages

of TestNG:

Advantages of TestNG

TestNG offers several advantages that make it stand out in the Java testing ecosystem:

1. Comprehensive Annotation Model: Provides a wide range of lifecycle annotations for precise setup and teardown control at suite, test, class, and method levels.

2. Flexible Test Configuration: Centralized testng.xml makes it easy to manage test suites, groups, parameters, and execution order without modifying code.

3. Built-in Data-Driven Testing: Native support for @DataProvider simplifies running the same test with multiple data sets, reducing code duplication.

4. Dependency Support: Explicitly define dependencies between test methods and groups to ensure correct execution flow and avoid cascading failures.

5. Parallel Execution: Out-of-the-box parallelism at various granularities (methods, classes, tests) speeds up test runs and reduces feedback loops.

6. Extensible Architecture: Custom listeners, reporters, and hooks (ITestListener, IInvokedMethodListener, etc.) allow deep integration with CI/CD pipelines and reporting tools.

7. Enhanced Reporting: Default HTML and XML reports provide detailed insights into test execution, and can be extended with third-party reporters like Allure or ExtentReports.

8. Seamless Tool Integration: Integrates smoothly with Selenium WebDriver, build tools (Maven, Gradle), and CI servers (Jenkins, GitHub Actions) for end-to-end automation workflows.

9. Active Community & Documentation: Benefits from extensive community-driven contributions, plugins, and comprehensive documentation, ensuring ongoing support and improvements.

10. Backward Compatibility & Stability: Mature framework with stable releases that maintain backward compatibility, minimizing migration effort for existing projects.

Disadvantages of TestNG

Despite its strengths, TestNG has a few drawbacks that users should consider:

1. Dependency Misuse Risks: Overusing test dependencies can lead to brittle test suites where failing prerequisites cause a cascade of skipped tests, potentially hiding real issues.

2. Steeper Learning Curve: The rich set of annotations and configurations can be overwhelming for beginners compared to simpler frameworks like JUnit.

3. XML Configuration Complexity: Managing large testng.xml files for extensive test suites can become cumbersome and error-prone.

4. Limited IDE Wizards: While IDE support is good, some IDEs lack advanced GUI wizards for TestNG compared to JUnit, making first-time setup less intuitive.

5. Overhead for Simple Tests: For very small or straightforward test cases, TestNG’s additional features may introduce unnecessary complexity.

6. Default Reports Are Basic: Built-in reports provide essential information but often require third-party tools (Allure, ExtentReports) for richer, more user-friendly visualizations.

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