Top 100+ Easy Mock Interview Questions And Answers
Question 1. What Are Junits ?
Answer :
Junt is the unit testing framework for Java.
Question 2. Are Junits Tested Manually?
Answer :
No , they're achieved automatically.
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Question 3. How To Test Whether The Returns Value Of The Method Is Expected ?
Answer :
Using Assert.
Question 4. Which Package Assert Belong To?
Answer :
java.Unit
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Question 5. What Happens If The Assert Doesn't Evaluate To Be True?
Answer :
Junit fails.
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Question 6. How To Create A Junit To Make Sure That The Tested Method Throws An Exception ?
Answer :
Using annotation Test with the argument as anticipated exception.
@Test (predicted = Exception.Class)
Question 7. What Should I Do If I Want To Make Sure That A Particular Method Of A Class Is Getting Called ?
Answer :
If its a static technique of the magnificence , we are able to use affirm to make sure it is getting called.
If its an example method , We can mock the item after which use verify with the mocked item to ensure that the technique is getting known as."
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Question 8. Name Few Java Mocking Frameworks?
Answer :
Mockito, PowerMock, EasyMock, JMock, JMockit.
Question 9. What Is The Use Of Mockito.Any?
Answer :
In case we need to verify that a technique is being referred to as with any argument and now not a selected argument we are able to use Mockito.Any(Class), Mockito.AnyString, Mockito.AnyLong and many others.
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Question 10. How Should We Ignore Or Avoid Executing Set Of Tests?
Answer :
We can do away with @Test from the respective check a good way to keep away from its execution. Alternatively we can put @Ignore annotation on the Junit report if we want to ignore all exams in a particular file.
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Question eleven. How Can We Test Methods Individually Which Are Not Visible Or Declared Private?
Answer :
We can both growth their visibility and mark them with annotation @VisibleForTesting or can use reflection to in my opinion take a look at those techniques.
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