TestNG Interview Questions and Answers
Ques 1. What is TestNG?
TestNG is a testing framework inspired by JUnit and NUnit, designed to simplify a broad range of testing needs, from unit testing to integration testing.
Ques 2. Explain the key features of TestNG.
Key features of TestNG include annotations, grouping, parallel execution, data-driven testing, parameterization, and dependency management.
Ques 3. What are TestNG annotations? Provide some examples.
TestNG annotations are markers in the code that define how the methods below them should be run. Examples include @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite, and more.
Ques 4. Explain dependency testing in TestNG.
Dependency testing in TestNG allows you to specify the order of test method execution by defining dependencies between them using the 'dependsOnMethods' attribute.
Ques 5. What is the purpose of the @DataProvider annotation?
The @DataProvider annotation is used to supply test methods with data. It allows you to define a method that returns an Object[][] where each Object[] can be assigned as parameters to the test method.
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