Learn Java Unit Test: Mockito & Powermock Complete Tutorial

🎉 Master JUnit 5 with Mockito and Powermock for Java Unit Testing! 🎓

Course Title: Learn Java Unit Test: Mockito & Powermock Complete Tutorial

Headline: Absolute Beginner to Confident Expert: A Comprehensive, Step-by-Step Tutorial on JUnit 5 Framework with Java 16 and JCoCo Coverage Monitoring!

🚀 Course Overview: Get ready to dive deep into the world of unit testing in Java! This course is designed for developers who are new to unit testing or looking to enhance their skills using the latest versions of Mockito (3.x) and Powermock. We'll cover everything you need to know to write effective unit tests with JUnit 5, ensuring your code is reliable, maintainable, and robust.

Course Agenda:

1. Understanding Mocking:

   • F.I.R.S.T Principles 🏗️
     • Fast
     • Isolated
     • Repeatable
     • Self-validating
     • Timely
   • What is Mocking? 🤔
   • Simulating a User Login Application 🔄
   • Unit Testing the User Login Function with Mockito ✅

2. Mockito Details Tutorial:

   • How to Mock Objects 🎭
   • Deep Mock 📖
   • Mock Object Stubbing Statements:
     • when...thenReturn ⬅️✅
     • doReturn...when ⬇️✅
     • doNothing...when ⏫✅
     • when...thenThrow ❗️✅
     • doThrow...When 🚨✅
     • when...thenAnswer 🤔✅
     • doAnswer...when 📝✅
     • when...thenCallRealMethod ⬅️🔄✅
   • Stubbing with Multiple Return Values 🔄
   • Stubbing with Cascading Code Style 👷‍♂️
   • Spying on Objects 🕵️‍♂️
   • Mockito Argument Matchers 🎯
   • Verifying Method Invocations 🔍
   • Verify with VerificationMode 📝
   • Mockito Verify Interactions 🗣️
   • Using @Captor for Easy Mocking 🛠️
   • @InjectMocks for Injecting Mocked Objects ⏫

3. Mockito Inline Module:

   • Embracing BDD with Mockito 📖
   • Mocking Static Methods 🆘
   • Mocking Final Classes and Methods 💀

4. Powermock Details Tutorial:

   • What is Powermock? 🤔
   • Why Need Powermock? 🙇‍♂️
   • Mocking Local Variables 📚
   • Mocking Static Methods 🆕
   • Mocking Final Classes and Methods 🔥
   • Powermock Spying 🔎

5. JoCoCo:

   • On-the-fly Instrumentation for Coverage Reports 🛣️
   • Offline Instrumentation for Coverage Reports 📚

Why Take This Course?

• Latest Techniques: Learn with up-to-date content based on Java 16 and the latest Mockito and Powermock versions.
• Hands-On Learning: Apply concepts through practical examples and real-world scenarios.
• Expert Guidance: Benefit from the expertise of experienced instructors who specialize in unit testing with JUnit 5.
• Comprehensive Coverage: From the basics to advanced topics, this course has you covered.
• Versatility: Master both Mockito and Powermock for a powerful combination in your testing toolkit.
• Integration with JCoCo: Understand how to leverage JCoCo for effective code coverage analysis.

Whether you're a beginner or looking to expand your unit testing skills, this course will equip you with the knowledge and techniques needed to confidently write and maintain high-quality Java applications. Enroll now and take the first step towards becoming a unit testing virtuoso! 🎸🎓✨

Course Review: Mastering Mockito & Powermock with Practical Examples

Overall Rating: 4.10

Pros:

• Deep Understanding: The course provides a deep understanding of Mockito and Powermock, with several reviewers mentioning that it helped them fully grasp the frameworks.
• Hands-On Learning: Many students found the course to be highly hands-on, with practical tutorials and exercises that facilitate learning through practice.
• Rich Content: The course is rich in content, offering a multitude of code examples, scenarios, and practices that are close to real-time applications.
• Clear Explanations: There is an abundance of clear explanations and real-world examples that make the content easy to understand for learners, regardless of their English proficiency.
• Comprehensive Structure: The course is well-structured, covering a wide range of topics and use cases, which is appreciated by the students.
• High-Quality Source Code: It emphasizes writing high-quality source code and software, providing valuable insights into best practices for unit testing.
• Effective Learning Outcomes: Learners report that after completing the course, they were able to apply their knowledge effectively in their daily development work, delivering high-quality software or applications.
• Supportive Instructor: The instructor is praised for being helpful and responsive to questions, which adds significant value to the learning experience.
• Latest Framework Versions: The course covers the latest versions of Mockito, Powermock, and Jacoco, ensuring that students are learning with up-to-date tools.

Cons:

• Language Difficulties: A few reviewers found the English in the course to be somewhat difficult to understand, which could pose a challenge for non-native speakers.
• Desire for Additional Topics: Some students expressed a desire for more content on related topics such as Grade and TestNG, indicating that while the course is comprehensive, it could be expanded to cover additional frameworks or tools.

Summary: This course is highly recommended for individuals looking to master Mockito and Powermock. It stands out for its hands-on approach, rich content, and clear examples. The practical nature of the exercises ensures that learners can apply their knowledge directly to real-world scenarios. While some students encountered language barriers, the overarching sentiment is that the course's benefits far outweigh these minor issues. The instructor's contributions and quick response to questions further enhance the learning experience, making this a valuable resource for anyone looking to improve their unit testing skills and write more robust and high-quality code.

Note: This review synthesizes feedback from multiple student reviews and reflects the general sentiment towards the course. The course rating is an average of recent student reviews.