Master Java Unit Testing with Spring Boot & Mockito
Learn to write awesome Java JUnit unit tests with Spring Boot, Mockito, JsonAssert, Hamcrest & JsonPath in 40 easy steps
What you'll learn in this Udemy Course
- ✓ You will learn to WRITE GREAT UNIT and INTEGRATION Tests using Spring Boot Starter Test from SCRATCH
- ✓ You will learn to Write INDEPENDENT Unit Tests for RESTFUL web services talking with MULTIPLE LAYERS - web, business and data
- ✓ You will learn to Use the most important Unit Testing ANNOTATIONS - @SpringBootTest, @WebMvcTest, @DataJpaTest and @MockBean
- ✓ Use ALL the FRAMEWORKS in Spring Boot Starter Test - JUnit, Spring Test, Spring Boot Test, AssertJ, Hamcrest, Mockito, JSONassert and JsonPath.
- ✓ You will learn to write unit tests using MOCKS and SPYS created with MOCKITO
- ✓ You will learn to Write Integration Tests using an IN MEMORY DATABASE - H2
Udemy Coupon Requirements
- You have an attitude to learn while having fun
- You should have working knowledge of Java, Junit, Spring, Spring Boot and JPA/Hibernate.
- We will help you install Eclipse and get up and running with Maven and Tomcat.
About This Udemy Coupon
- Step 01: Setting up the project using Spring Initializr
- Step 02: Writing Unit Test for a Simple Business Service
- Step 03: Setting up a Business Service to call a Data Service
- Step 04: Writing your first unit test with Stub
- Exercise - Update Tests 2 & 3
- Step 05: Exercise Solution - Updating Tests 2 & 3 to use Stubs - Problem with Stubs.
- Step 06: Writing Unit Tests with Mocking using Mockito
- Exercise - Updating Tests 2 & 3 to use Mockito
- Step 07: Exercise Solution - Updating Tests 2 & 3 to use Mockito
- Step 08: More Refactoring - @Mock, @InjectMocks and @RunWith(MockitoJUnitRunner.class)
- Step 09: Mockito Tips - Multiple Return Values and Specific Argument Matchers
- Step 10: Mockito Tips - Argument Matchers
- Step 11: Mockito Tips - Verify method calls
- Step 12: Mockito Tips - Argument Capture
- Step 13: Mockito Tips - Argument Capture on Multiple Calls
- Step 14: Introduction to Spy
- Step 15: Mockito FAQ
- Step 01: Creating a Hello World Controller
- Step 02: Using Mock Mvc to test Hello World Controller
- Step 03: Using Response Matchers to check status and content
- Step 04: Creating a Basic REST Service in Item Controller
- Step 05: Unit Testing Item Controller and Basic JSON Assertions
- Step 06: Digging deeper into JSON Assert
- Step 07: Writing a REST Service talking to Business Layer
- Step 08: Writing Unit Test for REST Service mocking Business Layer
- Step 09: Prepare Data Layers with JPA, Hibernate and H2
- Step 10: Create Item Entity and Populate data with data.sql
- Step 11: Create a RESTful Service talking to the database
- Step 12: Writing Unit Test for Web Layer - Controller - Using Mock MVC
- Step 13: Exercise & Solution - Writing Unit Test for Business Layer - Mocking
- Step 14: Writing Unit Test for Data Layer - Data JPA Test
- Step 15: Writing an Integration Test using @SpringBootTest
- Step 16: Tip : Using @MockBean to mock out dependencies you do not want to talk to!
- Step 17: Tip : Creating Different Test Configuration
- Step 18: Writing Unit Tests for Other Request Methods
- Step 19: Refactor SomeBusinessImpl to use Functional Programming
- Step 20: Better Assertions with Hamcrest - HamcrestMatcherTest
- Step 21: Better Assertions with AssertJ - AssertJTest
- Step 22: Better Assertions with JSONPath - JSONPathTest
- Step 23: Easier Static Imports
- Step 24: Tip : Measuring Test Coverage with Eclipse
- Step 25: Tip : Keep an eye on performance of unit tests!
- Step 26: Good Unit Tests
⚡ Limited Time Offer
Coupon valid until end of April 2026
Don't miss out — grab this Development course before the coupon expires.
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What is Master Java Unit Testing with Spring Boot & Mockito?
Master Java Unit Testing with Spring Boot & Mockito is a 4h online course on Udemy taught by in28Minutes Official. It covers Unit Testing and is designed for learners who want to you will learn to write great unit and integration tests using spring boot starter test from scratch . With 39,097 students enrolled and a 4.5 star rating, it is one of the top-rated courses in Unit Testing on Udemy. Use the coupon above to access it at 90% OFF ($9.99).
About the Instructor
in28Minutes Official
Udemy Instructor · Development Expert
in28Minutes Official is an expert instructor on Udemy specializing in Development. Their course "Master Java Unit Testing with Spring Boot & Mockito" has helped 39,097 students master Unit Testing with a 4.5 star rating.
Course Information
Platform
Udemy
Instructor
in28Minutes Official
Duration
4h
Language
English
Category
Development · Unit Testing
Rating
Price
Last Updated
April 2026
Related Topics
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Frequently Asked Questions
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How long is Master Java Unit Testing with Spring Boot & Mockito?
Master Java Unit Testing with Spring Boot & Mockito is approximately 4h long. Udemy gives you lifetime access so you can learn at your own pace and revisit content anytime.
What will I learn in Master Java Unit Testing with Spring Boot & Mockito?
In Master Java Unit Testing with Spring Boot & Mockito by in28Minutes Official, you will learn: You will learn to WRITE GREAT UNIT and INTEGRATION Tests using Spring Boot Starter Test from SCRATCH ; You will learn to Write INDEPENDENT Unit Tests for RESTFUL web services talking with MULTIPLE LAYERS - web, business and data ; You will learn to Use the most important Unit Testing ANNOTATIONS - @SpringBootTest, @WebMvcTest, @DataJpaTest and @MockBean . The course covers Unit Testing with 4h of hands-on content.
What is Master Java Unit Testing with Spring Boot & Mockito?
Master Java Unit Testing with Spring Boot & Mockito is a 4h online course on Udemy taught by in28Minutes Official. It covers Development with a 4.5 star rating from 39,097 enrolled students. Use our verified coupon to access it at $9.99 (90% OFF).