Mockito and Dependency Injection
When writing your Java unit test you will soon need a way to handle the dependencies of your classes under test. Mockito have some nice features that simplify the creation…
Spring Integration Tests, Part II, Using Mock Objects
In the previous post, I wrote how you can use Spring's FactoryBean to facilitate the creation of mock objects for Spring integration tests. Now, it is time to use the…
Spring Integration Tests, Part I, Creating Mock Objects
When writing integration tests with Spring, it can sometimes be convenient to mock one or more of Spring bean dependencies. However, during some circumstances strange things may happen... (In this…
Learn to Stop Worrying and Love the Singleton
Enterprise applications and mobile applications have quite different requirements. Starting an enterprise application is just something you do once before it continue running for months or years. On the other…
Getting started with JavaME jUnit testing
Introduction Unit testing is a very powerful tool that should be included in every developer's toolbox. Unfortunately, this has not always been the case, especially not among MIDlet developers. One…
How to mock MIDP RecordStore
The challenge PowerMock is a mocking framework that claims to have almost supernatural powers. According to its documentation it is able to mock both static and private methods, final classes,…
Mocking Eclipse IResource.accept()
I had a junit test situation where I wanted to mock an Eclipse IResource instance but still be able to test a call-back implementation given as parameter to the mocked IResource.accept(IResourceVisitor visit) method. By default, mocking an interface gives you "call count" and expected return values but no code is executed. In order to test the implementation of IResourceVisitor, something more had to be done. Here is how I did it.
PowerMock 1.0 released
We have released 1.0 of PowerMock just in time for the Øredev conference! PowerMock is an open source mock framework based on EasyMock that allow you to mock static methods, private methods and even constructors. Our intent is mainly to allow unit testing of legacy code and people really seemed to appreciate this idea at the conference.
PowerMock 0.8 released
Previously a colleague of mine described an idea for mocking static methods. Earlier this year we started an open source project to implement these ideas in a very simple to…
Mocking Classes
Mocking a class rather than an interface might present some interesting obstacles. Perhaps you have ran into the dreaded: Unexpected method call toString(): toString(): expected: 0, actual: 1 You think…
Static Mock using AspectJ
After seeing MockME developed by some of my colleagues I started thinking about how this could be made in a generic way.