A quick and practical guide to EasyMock – another mocking library for Java. In this tutorial, we’ll give an introduction to another mocking tool – EasyMock . of EasyMockRunner, we can use the JUnit test rule EasyMockRule. EasyMock is available in the Maven central repository. Just add the . Here is the example above, now using annotations: Test; import Tutorial about JUnit & EasyMock principles. With a code examples and explanations.

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I will be using Eclipse 3.

What is a unit test?

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Defining your own Argument Matchers Sometimes it is desirable to define own argument matchers. We will now build a test case and toy around with it to understand the functionalities of EasyMock.

As you said it could make your test code a bit hard to manage. Thank you for which information. If you have several tests you can combine them into a test suite. Changing Behavior for the Same Method Call It is also possible to specify a changing behavior for a method.

Unit testing with JUnit 4.x and EasyMock in Eclipse – Tutorial

The API for Software: Please keep them coming. The website is updated on a regular basis with tutorizl information for the benefit of our clients.

Here, I am using the data type as String for rollNo though ideally, it should be int. We may specify the call count with the method times int times on the object returned by expectLastCall.

Here, we are using EasyMock. TestSubject ; import org. The color of the juhit should reflect the theme of your business Company Registration responded: In this example, we will be using a strict mock.

JUnit & EasyMock tutorial with a code examples

Available for float and double. Moreover, it encourages us to make more frequent use of MockObjects leading to compositional and interface oriented designs.


You also need to download the Objenesis and Cglib libraries and add these jars to ttorial classpath. It is a good idea to exclude Cglib since Dexmaker is used instead.

JUnit and EasyMock cooperation

It’s one thing to run a test that passes. Here is the test without the jinit of the Mock Object: I guess it at least would have been easier if they had juniit some more explanations in the class documentation in top of the generated javadoc for the EasyMock class, and for example a little code example on typical use, but there is no documentation at all.

As alternative you can read about JUnit and Mockito.

Guest posting Service responded: I agree there are not enough tutorials on easymock etc Fantastic data on your junnit, thank you for setting aside an ideal opportunity to impart to us. Ok, in the previous paragraph I showed you the example of several simple JUnit tests.

In case of failure, you can replace the default instantiator with: Have a look at the javadoc. Obviously the test depends on the provided methods.

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