Testing - Interview Questions and Answers for 'Testing' | Search Interview Question

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Q31. What are use cases?

Ans. It is part of the analysis of a program and describes a situation that a program might encounter and what behavior the program should exhibit in that circumstance.

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Q32. Difference between Assert and Verify ?

Testing

Ans. Assert works only if assertions ( -ea ) are enabled which is not required for Verify.Assert throws an exception and hence doesn't continue with the test if assert evaluates to false whereas it's not so with Verify.

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Q33. How should we ignore or avoid executing set of tests ?

Ans. We can remove @Test from the respective test so as to avoid its execution. Alternatively we can put @Ignore annotation on the Junit file if we want to ignore all tests in a particular file.

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Q34. How can we test methods individually which are not visible or declared private ?

Ans. We can either increase their visibility and mark them with annotation @VisibleForTesting or can use reflection to individually test those methods.

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Q35. Name few Java Mocking frameworks ?

Ans. Mockito, PowerMock, EasyMock, JMock, JMockit

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Q36. What are the steps to be performed while coding Junit with Mocking framework ?

JUnit

Ans. Initialize required objects for working with mocks and tested method
Set the mock behaviour on dependent objects
Execute the tested method
Perform assertions
Verify if a method is invoked or not

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Q37. How to perform a clean install without executing Tests ?

Maven

Ans. mvn clean install -Dmaven.test.skip=true

or

mvn install -DskipTests

or

org.apache.maven.plugins
maven-surefire-plugin

true

within parent POM file.

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Q38. How to access a Web Element if there are many elements with the same XPath ?

Ans. By specifying the Index like

//button[@class='button'])[2]

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Q39. Which of the following annotation is used to avoid executing Junits ?

a. @explicit
b. @ignore
c. @avoid
d. @NoTest

Ans. @ignore

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Q40. Which of the following is not the advantage of Mocking frameworks ?

a. It helps testing the module independently
b. It helps in faster unit testing
c. It helps in testing code even when external dependencies like service calls are not working
d. It helps in doing end to end Integration Testing

Ans. It helps in doing end to end Integration Testing

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Q41. Which of the following are usually manual ?

a. Unit Test
b. Integration Test
c. Load Test
d. Both a and c

Ans. Integration Test

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Q42. Which of the following nearly involves same Test execution plan ?

a. Unit and Integration tests
b. Unit and Regression Tests
c. Integration and Performance Tests
d. Performance and Load Tests

Ans. Performance and Load Tests

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Q43. Which of following annotation is used to initialize objects before executing set of tests ? Reference

Junit

a. @Test

b. @Ignore

c. @After

d. @Before

Ans.d. @Before

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