Do we write JUnit for controller?

While writing junit test for a rest controller method, we shall keep in mind that: A unit test is supposed to test only a certain part of code (i.e. code written in controller class), so we shall mock all the dependencies injected and used in controller class.

How do you write a test case for spring application?

Then, configure the Application context for the tests. The @Profile(“test”) annotation is used to configure the class when the Test cases are running. Now, you can write a Unit Test case for Order Service under the src/test/resources package. The complete code for build configuration file is given below.

How do you write test cases for controllers?

We can write an unit test for this controller method by following steps:

  1. Create the test data which is returned when our service method is called.
  2. Configure the used mock object to return the created test data when its findAll() method is called.
  3. Execute a GET request to url ‘/’.

How do you write a JUnit test case for a spring rest controller?

Now, we are gonna unit test one of the REST controller using Mockito.

  1. Introduction.
  2. Implementation. Add Dependencies. Create Utility Class. Test with Mock User. Using @WithMockUser Annotation. Using @WithUserDetails Annotation. Using Custom Annotation.
  3. Run Junit Tests.
  4. References.
  5. Source Code.
  6. Conclusion.

Which of the following is correct about test suite in JUnit?

Q 16 – Which of the following is correct about Test Suite in JUnit? A – Test suite means bundle a few unit test cases and run it together. B – @RunWith and @Suite annotation are used to run the suite test.

What is good code coverage percentage?

With that being said it is generally accepted that 80% coverage is a good goal to aim for. Trying to reach a higher coverage might turn out to be costly, while not necessary producing enough benefit. The first time you run your coverage tool you might find that you have a fairly low percentage of coverage.

How do I test a Spring application using JUnit?


  1. Create a Spring Boot App for Testing with JUnit 5.
  2. Create a Java REST API with Spring Boot for Your JUnit 5 Testing.
  3. Run Your Basic Spring HTTP REST API.
  4. Secure Your JUnit 5 Java App with OAuth 2.0.
  5. Test Your Secured Spring Boot Application with JUnit 5.
  6. Add Unit and Integration Test to Your Java App with JUnit 5.

How do you write a JUnit test case?

Write the test case

  1. package com.javatpoint.testcase;
  2. import static org.junit.Assert.*;
  3. import com.javatpoint.logic.*;
  4. import org.junit.Test;
  5. public class TestLogic {
  6. @Test.
  7. public void testFindMax(){
  8. assertEquals(4,Calculation.findMax(new int[]{1,3,4,2}));

Which of the following is correct about JUnit execution procedure?

Q 3 – Which of the following is correct about JUnit execution procedure? A – Method annotated as @After executes for each test case but after the execution of test case.

How do you write JUnit?

How do you write a JUnit test case for a post method in java?

Writing Unit Test for the POST Rest Service

  1.“/students/Student1/courses”).accept(MediaType.APPLICATION_JSON) : Create a post request with an accept header for application\json.
  2. content(exampleCourseJson). contentType(MediaType.
  3. assertEquals(HttpStatus. CREATED.
  4. response. getHeader(HttpHeaders.

How do you add test cases to test suite in JUnit?

Create Test Suite Class Attach @RunWith(Suite. class) Annotation with the class. Add reference to JUnit test classes using @Suite. SuiteClasses annotation.