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JUnit Interview Questions and Answers
7. Shed light on the variety of JUnit classes and make a proper list of them?
The JUnit classes are essential classes that are usually utilized in testing and writing the JUnits. Here is the list of the critical JUnit test classes.
11. Give a brief account of the Test Suite with respect to JUnit?
Test Suite usually refers to the principle of compiling a variety of unit test cases to run it concurrently. In this context, it is interesting to note that in JUnit, both Run With and Suite comments are being used to avail maximum benefits.
5. In Java, assert is a keyword. Won’t this conflict with JUnit’sassert() method?
JUnit 3.7 deprecated assert() and replaced it with assertTrue(), which works exactly the same way. JUnit 4 is compatible with the assert keyword. If you run with the -ea JVM switch, assertions that fail will be reported by JUnit.
3. Define automated testing in the context of JUnit?
Automated testing in JUnit is that type of testing where one has the option to take support from tools. These automation tools would display accurate results which are suitable for the process of Java application development.
8. What are annotations and how are they useful in JUnit?
Annotations are like meta-tags that you can add to you code and apply them to methods or in class. The annotation in JUnit gives us information about test methods , which methods are going to run before & after test methods, which methods run before & after all the methods, which methods or class will be ignore during execution.
4. Why does JUnit only report the first failure in a single test?
Reporting multiple failures in a single test is generally a sign that the test does too much and it is too big a unit test. JUnit is designed to work best with a number of small tests. It executes each test within a separate instance of the test class. It reports failure on each test.
7. What are JUnit classes? List some of them?
JUnit classes are important classes which are used in writing and testing JUnits. Some of the important classes are:
