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  • Book Overview & Buying Mockito Essentials
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Mockito Essentials

Mockito Essentials

By : Acharya
4 (4)
Buy this Book
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Mockito Essentials

Mockito Essentials

4 (4)
By: Acharya
Buy this Book

Overview of this book

This book is ideal for developers who have some experience in Java application development as well as some basic knowledge of test doubles and JUnit testing. This book also introduces you to the fundamentals of JUnit testing, test doubles, refactoring legacy code, and writing JUnit tests for GWT and web services.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Exploring Test Doubles
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1. Exploring Test Doubles
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Working with unit tests
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Understanding test doubles
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Using dummy objects
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Working with stubs
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Exploring a test spy
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Getting started with mock objects
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Implementing fake objects – simulators
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Summary
2
2. Socializing with Mockito
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2. Socializing with Mockito
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Exploring Mockito
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Working with Mockito
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Understanding the Mockito architecture
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Summary
3
3. Accelerating Mockito
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3. Accelerating Mockito
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Learning advanced Mockito features
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Summary
4
4. Behavior-driven Development with Mockito
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4. Behavior-driven Development with Mockito
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Understanding the context of BDD
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Exploring BDD
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Exercising BDD with Mockito
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Summary
5
5. Unit Testing the Legacy Code with Mockito
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5. Unit Testing the Legacy Code with Mockito
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Understanding the legacy code
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Exploring testing impediments
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Working with PowerMock
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Designing for testability with Mockito
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Summary
6
6. Developing SOA with Mockito
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6. Developing SOA with Mockito
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Exploring Service-oriented Architecture (SOA)
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Working with web services
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Summary
7
7. Unit Testing GWT Code with Mockito
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7. Unit Testing GWT Code with Mockito
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Exploring Ajax and GWT
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Learning the MVP pattern
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Developing a GWT application using MVP
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Unit testing the GWT code
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Summary
8
Index
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Index

Exploring testing impediments

This section explains the nature or quality of code that makes unit testing difficult. Automated tests help us develop software quickly, even when we have a large code base to work on. Automated unit tests should be executed very fast so that the tests can give us quick feedback, however we cannot unit test code when it exhibits any of the following symptoms:

  • Performs long running operations
  • Connects to a database and modifies database records
  • Performs remote computing—RMI
  • Looks up JNDI resources or web/application server objects
  • Accesses filesystems
  • Works with native objects or graphical widgets (UI components, Windows alerts, JAVA Swing components, and so on)
  • Accesses network resources (LAN printer, downloads data from the Internet, and so on)

Unit tests should not wait for a long running process to complete; it will defeat the purpose of quick feedback.

Unit tests should be reliable and they should fail if, and only if, the production code breaks. However...

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Mockito Essentials
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