The Overview page is the front page of this API document and provides a list of all packages with a summary for each. This page can also contain an overall. Switches all registered mock objects (more exactly: the controls of the mock objects) to replay mode. For details, see the EasyMock documentation. Why. Great testing includes isolation. Most parts of a software system do not work in isolation, but collaborate with other parts to get their job done. In a lot of.

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You can’t create a dynamic proxy for a class. Expects an int array that is equal to the given array, i. Instead, I just invoke the void method on the mock, and EasyMock captures the result.

For example, consider the simple XML document in Listing This can be change for a given mock if makeThreadSafe mock, false is called during the recording phase. Please don’t create an interface just for the pleasure of mocking it. Sometimes it is desirable documentaton define own argument matchers. Sometimes we would like our mock object to return a value or throw an exception that is created at the time of the actual call.


Sign in or register to add and subscribe to comments. The new argument matcher has to be defined, and the static method eqException has to be declared.

Notice that at no point did I write a class that implements the ExchangeRate interface. Expects a short argument less than the given value. Notice that this is not an assertion I made.

EasyMock : Documentation

Now, a word of warning. You want your test first!

If we specify behavior, we would like to verify that it is actually used. Being a nice human being, you want to documentationn your implementation. T – type documentxtion by the expected method Returns: As you probably guessed, this simply sets the getRate method to throw the specified exception when invoked. The IMocksControl allows to create more than one Mock Object, and so it is possible to check the order of method calls between mocks.

EasyMockSupport (EasyMock API)

The ExchangeRate docuentation was small and simple enough that I could have easily written the mock class manually. You could unplug the Ethernet cable from your computer and then run your test, but it’s a lot less labor-intensive to write a mock object that simulates a network failure.

Finally, an optional element, “fieldName”, allows specifying the target field name where the mock should be injected. Subscribe me to comment notifications. If you want to disable any class mocking, turn this to true. Like any interface, it simply says what an instance does without specifying how it does it.


Not only is it well crafted and easy to use. All of these must be wrapped with EasyMock.

Two steps are necessary to achieve this: It can also be painful if the interface has many methods. Another optional annotation, ‘name’, allows setting of a name for the mock that will be used in the mock call, which will appear in expectation failure messages for example.

It can also verify that you call those methods and only those methods, in the right order. Before ; import org.

EasyMock Tutorial

T – the interface that the mock object should implement. This kind of mock object is sometimes called a fake. Oren Gross, Mercury Interactive. Exactly how much such checking EasyMock.

The replay method is called to make the Mock object available. This method can change this behavior.