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MASTERING UNIT TESTING USING MOCKITO AND JUNIT

By : Acharya

4 (11)

MASTERING UNIT TESTING USING MOCKITO AND JUNIT

4 (11)

By: Acharya

Overview of this book

A practical and easy-to-follow, yet comprehensive, guide to learning advanced JUnit testing. Each topic is explained and placed in context, and for the more inquisitive, there are more details of the concepts used. This book is for you if you are a developer with some experience in Java application development as well as a basic knowledge of JUnit testing. But for those whose skill set is void of any prior experience with JUnit testing, the book also covers basic fundamentals to get you acquainted with the concepts before putting them into practise.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. JUnit 4 – a Total Recall

1. JUnit 4 – a Total Recall

Defining unit testing

Working with JUnit 4

Working with JUnit 4++

Summary

2. Automating JUnit Tests

2. Automating JUnit Tests

Continuous Integration

Jenkins

Summary

3. Test Doubles

3. Test Doubles

Dummy

Stub

Fake

Mock

Spy

Summary

4. Progressive Mockito

4. Progressive Mockito

Working with Mockito

Drinking Mockito

Summary

5. Exploring Code Coverage

5. Exploring Code Coverage

Understanding code coverage

Configuring the Eclipse plugin

Measuring coverage using Gradle

Working with the Maven Cobertura plugin

Running the Cobertura Ant task

Summary

6. Revealing Code Quality

6. Revealing Code Quality

Understanding the static code analysis

Working with the Checkstyle plugin

Exploring the FindBugs plugin

Working with the PMD plugin

Monitoring code quality with SonarQube

Getting familiar with false positives

Summary

7. Unit Testing the Web Tier

7. Unit Testing the Web Tier

Unit testing servlets

Playing with Spring MVC

Summary

8. Playing with Data

8. Playing with Data

Separating concerns

Unit testing the persistence logic

Simplifying persistence with Spring

Verifying the system integrity

Writing integration tests with Spring

Summary

9. Solving Test Puzzles

9. Solving Test Puzzles

Working with the legacy code

Designing for testability

Working with greenfield code

Summary

10. Best Practices

10. Best Practices

Writing meaningful tests

Automating JUnit tests

Configuring tests

Working with assertions

Handling exceptions

Working with test smells

Summary

Index

Index

Customer Reviews

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Playing with Spring MVC

In Spring MVC, the following is a pattern of a simplified request handling mechanism:

DispatcherServlet receives a request and confers the request with handler mappings to find out which controller can handle the request, and then passes the request to that controller.
The controller performs the business logic (can delegate the request to a service or business logic processor) and returns some information back to DispatcherServlet for user display or response. Instead of sending the information (model) directly to the user, the controller returns a view name that can render the model.
DispatcherServlet then resolves the physical view from the view name and passes the model object to the view. This way, DispatcherServlet is decoupled from the view implementation.
The view renders the model. A view could be a JSP page, a servlet, a PDF file, an excel report, or any presentable component.

The following sequence diagram represents the flow and interaction of Spring MVC components...

Visually different images

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