8. Playing with Data | MASTERING UNIT TESTING USING MOCKITO AND JUNIT

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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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Separating concerns

This section elaborates on the separation of concerns. Enterprise application information can be represented using the following building blocks:

What: This represents the information to store. We cannot store everything; so, categorization of the data to be stored is very important.
Who: This represents the actors. Information is a sensitive thing and it's important to control access across users; for example, an employee should not be able to access the salary information of another employee, but a manager or member of HR staff can access salary data of the staff.
Data store: This represents information and its accessibility.
Process: This represents the processing of data. Any information doesn't make any sense unless some action is performed on it.

The following diagram describes the key information blocks of an enterprise application:

This section covers the Store block and unit testing the data access layer.

The following diagram represents the components of a loosely...

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