Master Java Unit Testing with Spring Boot & Mockito — 93% OFF Discount Coupon

Learn to write awesome Java JUnit unit tests with Spring Boot, Mockito, JsonAssert, Hamcrest & JsonPath in 40 easy steps

★4.5 out of 5
39,306 students
Created by in28Minutes Official
English
Updated May 2026

Quick Facts — Course Summary

Here's a quick overview of everything you need to know about Master Java Unit Testing with Spring Boot & Mockito before you enroll:

•Course Name: Master Java Unit Testing with Spring Boot & Mockito
•Platform: Udemy
•Instructor: in28Minutes Official
•Coupon Last Verified: May 4, 2026
•Level: Advanced
•Topic: Development
•Subtopic: Unit Testing
•Total Time: 4h of video content
•Language: English
•Access Type: Unlimited lifetime access + updates
•Certificate: Included upon completion from Udemy
•Main Skills: 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
•Requirements: You have an attitude to learn while having fun · You should have working knowledge of Java, Junit, Spring, Spring Boot and JPA/Hibernate.
•Current Price: $9.99 (was $149.99). You save $140.00 with 93% discount.
•How to Apply: Click the coupon button to activate your discount automatically
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Skills You'll Master

By the end of Master Java Unit Testing with Spring Boot & Mockito, you'll have these practical skills:

✓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.

What You Need Before Starting

Before enrolling in Master Java Unit Testing with Spring Boot & Mockito, make sure you have:

•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 Course

The following is the full official course description for Master Java Unit Testing with Spring Boot & Mockito as published on Udemy by instructor in28Minutes Official:

Spring Boot is the most popular framework to develop RESTful Services. It has Awesome Unit Testing capabilities through Spring Boot Starter Test. Mockito is the most popular mocking framework. JUnit is most popular Java Unit Testing Framework.

In this course, you will learn to Write Great Unit Tests for Simple RESTful Services with Spring Boot Starter Test, Mockito and JUnit. You will learn to write independent unit tests for RESTful web services talking with multiple layers - web, business and data. You will learn how to write integration tests using an in memory database H2.

You will build the unit tests step by step - in 40 easy steps. This course would be a perfect first step as an introduction to unit testing with Spring Boot and Mockito Frameworks.

You will be using Spring (Dependency Management), Spring Boot, Maven (dependencies management), Eclipse (IDE), in memory database H2 and Tomcat Embedded Web Server. We will help you set up each one of these.

You will use all the frameworks that are part of Spring Boot Starter Test - JUnit, Spring Test, Spring Boot Test, AssertJ, Hamcrest, Mockito, JSONassert and JsonPath.

You will learn to use the most important Unit Testing Annotations - @RunWith(SpringRunner.class), @SpringBootTest, @WebMvcTest, @DataJpaTest and @MockBean.

COURSE HIGHLIGHTS

Section 1 - Learning Mocking with Mockito
  • 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
Section 2 - Unit Testing RESTful Services with Spring Boot and Mockito
  • 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
Start Learning Now. Hit the Enroll Button!

Is the Master Java Unit Testing with Spring Boot & Mockito Coupon Worth It?

Expert review by Andrew Derek, Lead Course Analyst at CoursesWyn.•Last updated: May 4, 2026.

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, Master Java Unit Testing with Spring Boot & Mockito is a high-value resource for learners seeking to build skills inDevelopment. Taught by in28Minutes Official on Udemy, the 4h course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 93%, from $149.99 to $9.99, removing the primary financial barrier to enrollment.

✓What We Like (Pros)

  • Verified 93% price reduction makes this course accessible to learners on any budget.
  • Aggregate student rating of 4.5 out of 5 indicates high learner satisfaction.
  • Strong enrollment base with over 39,306 students demonstrates course popularity and trust.
  • Includes an official Udemy completion certificate and lifetime access to all future content updates.

!Keep in Mind (Cons)

The following limitations should be considered before enrolling in Master Java Unit Testing with Spring Boot & Mockito:

  • The depth of Development coverage may be challenging for absolute beginners without the listed prerequisites.
  • Lifetime access is contingent on the continued operation of the Udemy platform.
  • Hands-on projects and quizzes require additional time investment beyond video watch time.
Final Verdict: Worth It
This course offers exceptional value with current pricing
✓

Course Rating Summary

Master Java Unit Testing with Spring Boot & Mockito Course holds an aggregate rating of 4.5 out of 5 based on 39,306 student reviews on Udemy.

4.5
★★★★★
39,306 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy.

Instructor Profile

The following section provides background information on in28Minutes Official, the instructor responsible for creating and maintaining Master Java Unit Testing with Spring Boot & Mockito on Udemy.

Master Java Unit Testing with Spring Boot & Mockito is taught by in28Minutes Official, a Udemy instructor specializing in Development. For the full instructor biography, professional credentials, and a complete list of their courses, visit the official instructor profile on Udemy.

•Instructor Name: in28Minutes Official
•Subject Area: Development
•Teaching Approach: Practical, project-based instruction focused on real-world application of Development skills.

Frequently Asked Questions

The following questions and answers cover the most common queries about Master Java Unit Testing with Spring Boot & Mockito, its coupon code, pricing, and enrollment process.

About the Author

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Andrew Derek

Lead Course Analyst at CoursesWyn with 8+ years of experience evaluating online learning platforms. I've analyzed 500+ Udemy courses and helped thousands of learners choose the right courses for their career goals.

⭐4.8/5 Rating
✓Trusted by 10K+ Students

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