Q1. How do you ensure code quality in your application? A1. Code quality means writing readable, maintainable and robust code, that conforms as much as possible to the style-guideline that is used, and that has as little as possible defects. … Read more ›...
JUnit & JMockit interview questions & answers extends 5 Java unit testing interview Questions and Answers. Unit testing is widely accepted as a “best practice” for your Java code quality. If you are after in-depth tutorials on JMockit, refer to JMockit tutorials by Shetty Tech Talks. … Read more ›...
This extends 6 JUnit & JMockit interview questions & answers on Java Unit testing – Part 1. It is very essential to understand how these 3 annotations work in JMockit to write unit tests quickly & effectively.
Q1 What is the difference between @Injectable and @Mocked in JMockit?
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JUnit with Mockito tutorial step by step. Mockito is a popular mocking framework used along with JUnit. JMockit is more popular than Mockito.
Step 1: Create a simple maven project say “code-quality”
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mvn -B archetype:generate -DgroupId=com.mytutorial -DartifactId=code-quality |
Step 2: Import into eclipse.
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Java does not have a sizeof operator like C++ does. Java uses automatic memory management known as the Garbage Collection, hence it is not that important to evaluate size of various objects. But, for the purpose of learning & fixing any potential memory issues, I have used “jvisualvm”, … Read...
Firstly, you need the pom.xml entry to bring in the Mockito library.
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... <dependency> <groupId>org.junit.jupiter</groupId> <artifactId>junit-jupiter-engine</artifactId> <version>5.9.2</version> <scope>test</scope> </dependency> <dependency> <groupId>org.junit.platform</groupId> <artifactId>junit-platform-runner</artifactId> <version>1.9.2</version> <scope>test</scope> </dependency> <dependency> <groupId>org.mockito</groupId> <artifactId>mockito-core</artifactId> <version>3.10.0</version> <scope>test</scope> </dependency> ... |
@InjectMocks
Firstly, annotate the Test class with @RunWith(MockitoJUnitRunner.class) as shown below. The @InjectMocks annotation creates an instance of the class and injects the mocks that are created with the @Mock (or @Spy) annotations into this instance.
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This extends 6 JUnit & JMockit interview questions & answers on Java Unit testing – Part 1. JUnit & JMockit interview questions and answers to write unit testing in Java for better code quality. JUnit interview questions are popular. Q7 What can you mock with JMockit? … Read more ›...
This extends 01: JMockit interview Q&As on @Injectable Vs @Mocked Vs @Tested. The purpose of mocking objects is to return an expected value to test the logic of the class under test. This can be achieved with JMockit Expectations.
An expectation represents a set of invocations to a specific mocked method/constructor that is relevant for a given test.
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This is a companion post to 8 Java Memory Management Interview Q&A demonstrating a memory leak scenario step by step with jvisualvm, which is a free profiling tool that gets shipped with JDK. Step 1: Code that causes memory leak Here is a sample code that causes memory leak. …...
A spy in mockito is a partial mock where part of the object will be mocked and part will use real method invocations. You can create a Spy a number of different ways. Consider using mocks instead of spies wherever possible as having to use a Spy could indicate violating...
Step 1: Create a simple Maven project from a command-line. Just press enter for all the prompts.
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mvn archetype:generate -DgroupId=com.mytutorial -DartifactId=simple-mocking-test |
Step 2: Import the above “simple-mocking-test” in the file system into eclipse. File –> Import –> “Existing Maven Projects” and then select the “simple-mocking-test”
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This extends 02: JMockit interview Q&As & examples on Expectations & Verifications. We have already discussed that a non-final instance field annotated as @Tested in the test class will be considered for automatic instantiation and injection, just before the execution of a test method. … Read more ›...
JUnit & Mockito interview questions & answers extends 5 Java unit testing interview Questions and Answers. Unit testing is widely accepted as a “best practice” for your Java code quality. You can also refer to 6 JUnit & JMockit interview questions & … Read more ›...
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