Mockito Cookbook

Mockito Cookbook

By : Marcin Grzejszczak

Buy this Book

Mockito Cookbook

By: Marcin Grzejszczak

Buy this Book

Overview of this book

Mockito Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

Free Chapter

Getting Started with Mockito

Introduction

Adding Mockito to a project's classpath

Getting started with Mockito for JUnit

Getting started with Mockito for TestNG

Mockito best practices – test behavior not implementation

Adding Mockito hints to exception messages (JUnit) (Experimental)

Adding additional Mockito warnings to your tests (JUnit) (Experimental)

Creating Mocks

Introduction

Creating mocks in code

Creating mocks with annotations

Creating mocks with a different default answer

Creating mocks with different default answers with annotations

Creating mocks with custom configuration

Creating mocks of final classes with PowerMock

Creating mocks of enums with PowerMock

Creating Spies and Partial Mocks

Introduction

Creating spies in code

Creating spies with custom configuration

Creating spies using annotations

Creating partial mocks

Creating partial mocks of final classes with delegatesTo()

Creating spies of final classes with PowerMock

Stubbing Behavior of Mocks

Introduction

Using argument matchers for stubbing

Stubbing methods that return values

Stubbing methods so that they throw exceptions

Stubbing methods so that they return custom answers

Stubbing methods so that they call real methods

Stubbing void methods

Stubbing void methods so that they throw exceptions

Stubbing void methods so that they return custom answers

Stubbing void methods so that they call real methods

Stubbing final methods with PowerMock

Stubbing static methods with PowerMock

Stubbing object instantiation using PowerMock

Stubbing Behavior of Spies

Introduction

Stubbing methods that return values

Stubbing methods so that they throw exceptions

Stubbing methods so that they return custom answers

Stubbing void methods

Stubbing void methods so that they throw exceptions

Stubbing void methods so that they return custom answers

Stubbing final methods with PowerMock

Verifying Test Doubles

Introduction

Verifying the method invocation count with times()

Verifying the method invocation count with atLeast()

Verifying the method invocation count with atMost()

Verifying that interactions never happened

Verifying that interactions stopped happening

Verifying the order of interactions

Verifying interactions and ignoring stubbed methods

Verifying the method invocation within the specified time

Verifying Behavior with Object Matchers

Introduction

Using Hamcrest matchers for assertions

Creating custom Hamcrest matchers

Using Hamcrest matchers for stubbing and verification

Using AssertJ for assertions

Creating custom AssertJ assertions

Capturing and asserting the argument

Refactoring with Mockito

Introduction

Removing the problems with instance creation

Refactoring classes that do too much

Refactoring the classes that use the class casts

Refactoring the classes that use static methods

Refactoring the tests that use too many mocks

Integration Testing with Mockito and DI Frameworks

Introduction

Injecting test doubles instead of beans using Spring's code configuration

Injecting test doubles instead of beans using Spring's XML configuration

Injecting test doubles instead of beans using Springockito

Injecting test doubles instead of beans with Guice

Injecting test doubles instead of beans with Guice using Jukito

Mocking Libraries Comparison

Introduction

Mockito versus EasyMock

Mockito versus JMockit

Mockito versus JMock

Mockito versus Spock

Index

Customer Reviews

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Chapter 3. Creating Spies and Partial Mocks

In this chapter, we will cover the following recipes:

Creating spies in code
Creating spies with custom configuration
Creating spies using annotations
Creating partial mocks
Creating partial mocks of final classes with delegatesTo()
Creating spies of final classes with PowerMock

Mockito Cookbook

By : Marcin Grzejszczak

Mockito Cookbook

By: Marcin Grzejszczak

Overview of this book

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Current Title:

Mockito Cookbook

Chapter 3. Creating Spies and Partial Mocks