TestNG Interview Questions
If you’re preparing for a TestNG interview, it’s essential to demonstrate your knowledge and proficiency in using TestNG with Selenium for automated testing.
Make sure you have a solid understanding of the basics of Selenium, such as its architecture, features, and how it integrates with TestNG, Maven and Jenkins.
Familiarize yourself with the TestNG documentation. It’s crucial to know where to find information and how to use different features.
Below are some testng interview questions:
1. What is TestNG?
2. What are the advantages of using TestNG over JUnit?
3. Explain TestNG annotations.
4. How to run TestNG tests in parallel?
5. How to perform parameterized testing in TestNG?
6. How to create data-driven tests in TestNG?
7. How to handle dependencies between test methods in TestNG?
8. What is the difference between @BeforeMethod and @BeforeTest annotations in TestNG?
9. How to disable a test method in TestNG?
10. Explain the use of listeners in TestNG.
11. How to prioritize test methods execution in TestNG?
12. What is the purpose of the @DataProvider annotation in TestNG?
13. How can you perform group-wise execution of test methods in TestNG?
14. How to handle timeouts in TestNG test methods?
15. Explain the concept of soft assertions in TestNG.
16. How to use TestNG data providers with external data sources like Excel or CSV files?
17. How can you handle test dependencies across classes in TestNG?
18. How to pass parameters to a TestNG test method from the testng.xml file?
19. Explain the purpose of the @Factory annotation in TestNG.
20. How to retry failed tests in TestNG?
21. What is the purpose of TestNG listeners? Can you provide examples of different types of TestNG listeners?
22. How can you execute TestNG tests programmatically without using the testng.xml file?
23. How can you handle test suite configuration or setup in TestNG?
24. How can you configure test methods to always run even if they are part of a failed group or dependency chain in TestNG?
25. Explain the use of the @DataProvider and @Factory annotations together in TestNG.
26. How can you configure TestNG to run tests in a specific order?
27. How can you perform cross-browser testing using TestNG?
28. How can you integrate TestNG with Maven for test execution?
29. How can you configure TestNG to generate HTML test reports?
30. How can you skip a test method conditionally in TestNG?
31. How can you perform parallel execution of test methods in TestNG?
32. How can you configure TestNG to generate reports in different formats?
33. How can you configure TestNG to run tests based on regular expression patterns?
34. How can you configure TestNG to run tests with a specific invocation count?
35. Explain the purpose of the @BeforeSuite and @AfterSuite annotations in TestNG.
36. How can you configure TestNG to run tests based on groups and priority together?
37. Explain the purpose of the @Parameters annotation’s inheritGroups attribute.
38. How can you configure TestNG to run tests in a specific order using the preserve-order attribute in the testng.xml file?
39. How can you configure TestNG to run tests in parallel with different data sets using the @DataProvider annotation?
40. Explain the purpose of the @BeforeGroups and @AfterGroups annotations in TestNG.
41. How can you configure TestNG to run tests in parallel with different thread counts for different test methods?
42. What is the purpose of the @Listeners annotation in TestNG? Can you provide an example of using listeners to perform actions before and after test execution?
43. How can you configure TestNG to run tests from multiple packages in a specific order?
44. How can you configure TestNG to execute test methods in random order?
45. Explain the purpose of the @Parameters annotation’s defaultValue attribute.
46. How can you configure TestNG to execute test methods from multiple classes in parallel?
47. How can you configure TestNG to run tests in parallel with different instances of the same class?
48. How can you configure TestNG to run tests with a specific time-out period for the entire suite?
49. Explain the purpose of the @Listeners annotation in TestNG. How can you use it to customize test execution behavior?
50. How can you configure TestNG to group test methods using regular expressions in the testng.xml file?
✨You can read the answers to these questions in below link:👇
🌠Best Of Luck For Your Interview! 💼