Spring Boot Unit Testing with JUnit, Mockito and MockMvc from Udemy

Spring Boot 3 includes testing support to develop unit tests and integration tests using JUnit, Mockito and MockMvc. By developing tests, you can create applications with better code design, fewer bugs, and higher reliability. This course shows you how to take full advantage of Spring Boot's testing support.

You will also use modern development tools such as IntelliJ (free version) and Maven. All of the projects are based on Maven, so you are free to use any IDE tool that you want.

In this course, you will get:

- All source code is available for download

- Responsive Instructors: All questions answered within 24 hours

- PDFs of all lectures are available for download

- Professional video and audio recordings (check the free previews)

- High quality closed-captions / subtitles available for English and 14 other languages (new. )

Over 3,000+ Reviews.

- (the most reviews for any Spring Boot Unit Testing course on Udemy, nearly DOUBLE the nearest competitor)

Students love this course. 5-star reviews

Chad Darby and Eric Roby are great at delivering the materials and giving good real-world examples of concepts. they make the course a very enjoyable class, This course is very thorough and detailed. Thank you - Ninos

Great course, the material is explained in such a clear way. I enjoy it a lot. Highly recommendable. - Ardak Sydyknazar

Chad Darby's courses are the best on Udemy. Thanks him I've got my first work and got promotion on the second one. Good job, my friend. (c) :) - Andrii Hryhoriev

this is my 4th Course with Mr. Darby, and his courses are so special. Organized, clear concepts, amazing material. and the most important his Knowledge of the Topic and he really deliver the information's for us. just amazing. - Ra'ed Abu Sa'da

In this course, you will learn how to:

JUnit

Develop JUnit Tests
Set up projects to use JUnit
Apply JUnit assertions: Equals/Not Equals and Null/NotNull
Apply JUnit assertions: Same/Not Same and True/False
Leverage JUnit lifecycle annotations
Define custom display names for JUnit tests
Check for exceptions and timeouts
Define execution order in JUnit tests
Perform code coverage analysis for JUnit tests
Apply conditionals with JUnit tests

Test Driven Development (TDD)

Apply Test Driven Development for build tests and application code
Create a failing test first
Update your code to make the tests pass
Take your tests from RED to GREEN
Apply TDD to a coding project
Leverage parameterized tests with TDD

Spring Boot Unit Testing Support

Explore annotations for Spring Boot Unit Testing support
Apply the @SpringBootTest annotation
Read Spring Boot application properties and inject values using the @TestPropertySource annotation
Perform assertEquals and assertNotEquals
Leverage Spring Boot singleton beans and prototype beans

Mocking with Mockito

Identify the need for mocking during test development
Leverage Mockito in JUnit tests
Applying the @MockitoBean annotation for injection (new in Spring Boot 3.4)
Throwing exceptions with Mocks

Spring Reflection Utils

Identify use cases for applying reflection in your JUnit tests
Apply ReflectionTestUtils to access non-public fields and methods
Integrate Spring Reflection Utils in your JUnit tests

Database Integration Testing

Identify the need for database integration testing during test development
Add database setup and clean code using @BeforeEach and @AfterEach
Leverage an embedded database to ease with testing setup and maintenance.
External SQL statements using @Sql annotation

Testing Spring Boot MVC Web Apps with MockMvc

Apply Spring Boot using testing for a Spring MVC CRUD web app
Identify use cases for testing Spring MVC @Controller
Configure the JUnit test case using @AutoConfigureMockMvc
Inject the MockMvc dependency for testing Spring MVC Controllers
Send HTTP Requests to Spring MVC Controllers and assert the results
Assert the view name returned by the Spring MVC Controller
Assert model attributes for the desired values

Testing Spring Boot REST APIs with MockMvc

Apply Spring Boot using testing for a Spring We make use of modern development tools such as IntelliJ (free version) and Maven.
We are very responsive instructors and we are available to answer your questions and help you work through any problems.
Finally, all source code is provided with the course along with setup instructions.
Student Reviews Prove This Course's Worth
Those who have reviewed the course have pointed out that the instruction is clear and easy to follow, as well as thorough and highly informative.
Many students had also taken other Spring Boot Unit Testing courses in the past, only to find that this Spring Boot Unit Testing course was their favorite. They enjoyed the structure of the content and the high quality audio/video.
Sample of Student Reviews - 5 stars.
Chad Darby and Eric Roby are great at delivering the materials and giving good real-world examples of concepts. they make the course a very enjoyable class, This course is very thorough and detailed. Thank you - Ninos
Great course, the material is explained in such a clear way. I enjoy it a lot. Highly recommendable. - Ardak Sydyknazar
Chad Darby's courses are the best on Udemy. Thanks him I've got my first work and got promotion on the second one. Good job, my friend. (c) :) - Andrii Hryhoriev
this is my 4th Course with Mr. Darby, and his courses are so special. Organized, clear concepts, amazing material. and the most important his Knowledge of the Topic and he really deliver the information's for us. just amazing. - Ra'ed Abu Sa'da
Quality Material
You will receive a quality course, with solid technical material and excellent audio and video production. I am a best-selling instructor on Udemy. Here's a list of my top courses.
- Full Stack: React and Spring Boot
- Full Stack: Angular and Spring Boot E-Commerce Website
- Spring and Hibernate for Beginners
- Hibernate: Advanced Development Techniques
- Deploy Spring Boot 3 Apps Online to Amazon Cloud (AWS)
- JSP and Servlets for Beginners
- JavaServer Faces (JSF) for Beginners
These courses have received rave 5 star reviews and over 800,000 students have taken the courses. Also, these courses are the most popular courses in their respective categories.
I also have an active YouTube channel where I post regular videos. In the past year, I’ve created over 1200 video tutorials (public and private). My YouTube channel has over 7 million views and 43k subscribers. So I understand what works and what doesn’t work for creating video tutorials.
No Risk – Udemy Refund
Finally, there is no risk. You can preview 25% of the course for free. Once you purchase the course, if for some reason you are not happy with the course, Udemy offers a 30-day refund (based on Udemy's Refund Policy).
So you have nothing to lose, sign up for this course and learn how to apply Spring Boot Unit Testing
Target Audience
Java Developers with Spring Boot experience

What's inside

Learning objectives

Explore the architecture of the spring boot 3 testing framework and write integration tests
Develop unit tests with junit 5 and supporting junit assertions
Mock spring container dependencies using mockito
Apply test driven development (tdd) using junit 5, mockito and spring boot 3
Test spring boot mvc web applications with mockmvc and modelview assertions

Test spring boot rest apis with mockmvc, jsonpath and hamcrest
Develop integration tests for spring data jpa including database init and cleanup
We are responsive instructors ... post your questions and we will respond in 24 hours.
Spring boot developers with junit and mockito testing are in high-demand. level up your career!
You can download all source code and pdfs. perfect for offline learning and review.

Explore the architecture of the spring boot 3 testing framework and write integration tests
Develop unit tests with junit 5 and supporting junit assertions
Mock spring container dependencies using mockito
Apply test driven development (tdd) using junit 5, mockito and spring boot 3
Test spring boot mvc web applications with mockmvc and modelview assertions
Test spring boot rest apis with mockmvc, jsonpath and hamcrest
Develop integration tests for spring data jpa including database init and cleanup
We are responsive instructors ... post your questions and we will respond in 24 hours.
Spring boot developers with junit and mockito testing are in high-demand. level up your career!
You can download all source code and pdfs. perfect for offline learning and review.

Syllabus

Introduction

How To Take This Course and How To Get Help

Download the Source Code and PDF Files

JUnit Review

Career center

Learners who complete Spring Boot Unit Testing with JUnit, Mockito and MockMvc will develop knowledge and skills that may be useful to these careers:

Software Development Engineer in Test

A Software Development Engineer in Test, or SDET, merges development skills with quality assurance, focusing on building advanced automated tests and test infrastructure. This course provides comprehensive training in JUnit 5, Mockito, and MockMvc, which are essential tools for an SDET working with Spring Boot applications. You will master critical skills such as Test Driven Development (TDD), database integration testing, and testing Spring MVC web applications and REST APIs. This expertise enables you to design, implement, and maintain highly effective automated testing solutions, ensuring high-quality, reliable software releases.

See salaries and explore the career path for Software Development Engineer in Test

Test Automation Engineer

A Test Automation Engineer designs, develops, and maintains automated test scripts and frameworks to ensure software quality and efficiency. This course perfectly equips a Test Automation Engineer with the expertise in Spring Boot, JUnit 5, Mockito, and MockMvc to build comprehensive automated regression suites. You will learn to apply Test Driven Development (TDD), perform code coverage analysis, and create advanced integration tests for databases, Spring MVC, and REST APIs. These skills are fundamental for developing robust and sustainable test automation solutions, reducing manual effort and accelerating release cycles.

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API Developer

An API Developer specializes in designing, building, and maintaining Application Programming Interfaces for various services and applications. For an API Developer, this course is highly relevant as it explicitly teaches how to test Spring Boot REST APIs using MockMvc, JsonPath, and Hamcrest. You will gain hands-on experience in sending HTTP requests to controllers and asserting results, which is critical for ensuring the reliability, correctness, and expected behavior of the APIs you develop. This specialized testing knowledge enhances the quality and trustworthiness of your API offerings.

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Backend Developer

A Backend Developer specializes in creating server-side logic, managing databases, and building robust APIs for applications. This course is exceptionally tailored for a Backend Developer, directly addressing the critical need for reliable backend components. Through learning to develop unit tests with JUnit, mock dependencies using Mockito, and test Spring Boot REST APIs with MockMvc and JsonPath, you will ensure the stability and correctness of your services. The course also covers database integration testing, a key area for backend development, allowing you to build highly reliable and maintainable backend systems.

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Java Developer

A Java Developer specializes in building and maintaining applications using the Java programming language and its ecosystem. This course is directly relevant for any Java Developer utilizing the Spring Boot framework, providing a deep dive into crucial quality assurance practices. You will learn to develop unit tests with JUnit 5, apply mocking with Mockito, and conduct integration tests for Spring MVC web apps and REST APIs using MockMvc. The focus on Test Driven Development (TDD) and code coverage analysis enhances your ability to write clean, maintainable, and highly reliable Java code, setting a high standard for your development work.

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Software Engineer

A Software Engineer is responsible for designing, developing, and maintaining software applications. This course helps a Software Engineer build high-quality, reliable software by embedding robust testing practices into the development lifecycle. By learning Spring Boot unit testing with JUnit, Mockito, and MockMvc, you develop the comprehensive skills to create applications with fewer bugs and higher reliability. This includes applying Test Driven Development (TDD), performing code coverage analysis, and developing integration tests for databases and Spring MVC or REST services. The detailed coverage of testing frameworks and methodologies directly prepares you for engineering roles requiring strong quality assurance at the code level.

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Enterprise Application Developer

An Enterprise Application Developer builds and maintains large-scale, complex software systems that support an organization's critical business operations. This course is invaluable for an Enterprise Application Developer, providing the expertise in Spring Boot, JUnit, Mockito, and MockMvc necessary to ensure the high reliability and maintainability of critical business applications. You will learn to develop comprehensive unit and integration tests, including for databases and REST APIs, applying Test Driven Development (TDD) principles. This ensures that enterprise solutions are robust, scalable, and meet stringent quality standards.

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Full-Stack Developer

A Full Stack Developer possesses expertise across both frontend and backend development, building complete applications. While this course focuses on backend testing, a Full Stack Developer benefits immensely from the skills to create reliable Spring Boot backend services and APIs using JUnit, Mockito, and MockMvc. The ability to perform database integration testing, test MVC web apps, and REST APIs ensures that the server-side components they develop are robust and error-free. This comprehensive testing knowledge contributes to building a stable and high-quality full stack application.

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Software Quality Engineer

A Software Quality Engineer focuses on establishing and maintaining quality standards throughout the software development lifecycle, often with a strong technical emphasis on automation. This course deeply explores Spring Boot unit and integration testing with JUnit, Mockito, and MockMvc. This knowledge significantly benefits a Software Quality Engineer by enabling them to design and implement robust automated testing strategies, contribute to code quality analysis, and advocate for best practices like Test Driven Development (TDD). This role involves understanding how to build testable applications and ensuring comprehensive coverage to deliver high-quality software.

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Technical Lead

A Technical Lead guides a team of developers, influencing technical direction and championing best practices in software development. This course can significantly benefit a Technical Lead by providing a deep understanding of Spring Boot unit and integration testing with JUnit, Mockito, and MockMvc. This expertise enables you to mentor teams on Test Driven Development (TDD), enforce high code quality standards, and make informed architectural decisions that promote testability and reliability. Your ability to effectively steer the team towards robust testing practices is crucial for delivering high-quality software solutions.

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Quality Assurance Engineer

A Quality Assurance Engineer focuses on ensuring the overall quality and reliability of software products through various testing methodologies. While often involved in broader system testing, a Quality Assurance Engineer greatly benefits from understanding the principles of unit and integration testing as taught in this course. Learning how developers apply JUnit, Mockito, and MockMvc in Spring Boot projects may be helpful for designing more effective test strategies, identifying test gaps, and collaborating with development teams to embed quality throughout the software development lifecycle. This understanding can enhance your ability to contribute to robust test plans.

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Solutions Architect

A Solutions Architect is responsible for designing the overall structure, components, and interactions of software systems across an organization. For a Solutions Architect, understanding how to design testable and resilient Spring Boot applications is crucial for building robust and maintainable enterprise solutions. This course helps in comprehending the practical application of JUnit, Mockito, and MockMvc for unit and integration testing, which fosters designing architectures that inherently support thorough quality assurance. This insight supports creating systems that are not only functional but also verifiable and sustainable in the long term.

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DevOps Engineer

A DevOps Engineer focuses on optimizing the software development lifecycle, emphasizing automation, continuous integration, and continuous delivery. While a DevOps Engineer's role is broad, understanding the principles of unit and integration testing with Spring Boot, JUnit, and Mockito, as taught in this course, may be helpful. This knowledge assists in configuring automated pipelines to include rigorous quality checks, interpreting test results, and ensuring that only well-tested code reaches deployment. This foundational understanding can strengthen your ability to build robust and efficient CI or CD workflows.

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Site Reliability Engineer

A Site Reliability Engineer, or SRE, ensures the availability, performance, and scalability of critical production systems and services. While an SRE's primary focus is operations, understanding how unit and integration tests are developed in Spring Boot with JUnit and Mockito, as taught in this course, may be helpful. This insight can assist in identifying potential points of failure, evaluating system health by reviewing test coverage, and collaborating with development teams to incorporate robust testing practices that contribute directly to overall system reliability and stability in production environments.

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Cloud Engineer

A Cloud Engineer is responsible for designing, implementing, and managing applications and infrastructure within cloud environments. For a Cloud Engineer deploying and managing Spring Boot applications, understanding the rigorous testing practices taught in this course, using JUnit, Mockito, and MockMvc, may be helpful. This knowledge allows you to better evaluate the quality and stability of applications before and after deployment, troubleshoot issues related to application behavior, and ensure that cloud-native services are reliable and perform as expected in distributed environments. It supports delivering robust cloud solutions.

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