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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After execution of the test you can call the verify method to check if the mock object was called as defined. After calling replayit behaves like a Mock Object, checking whether the expected method calls are really done.

The mock is instantiated by the runner at step 1. However, just to make matters interesting, the call to setDocumentLocator is optional; parsers are allowed to call characters more than once.

These methods will still eastmock called when serializing the mock and might fail. T – type of the method argument to match Returns: Unchecked exceptions that is, RuntimeExceptionError and all their subclasses can be thrown from every method. I’ll start with a concrete example to demonstrate how EasyMock works.

Sometimes, we would like our Mock Object to respond to some method calls, but we do not want to check how often they are called, when they are called, or even if they are called at all. It is expected to be of class toMock. If you use Maven, the final required dependencies will look like this: Let’s say that an argument matcher is needed that matches an exception if the given exception has the same type and an equal message.


This is the old version of niceMock Classwhich is more completion friendly Type Parameters: Flexible Expectations with Argument Matchers To match an actual method call on the Mock Object with an expectation, Object arguments are by default compared with equals.

Let us write a second test. Specifying Return Values For docuentation return values, we wrap the expected call in expect T value and specify the return value with the method andReturn Object returnValue on the object returned by expect T value. Now, a word of warning.

Mocking out classes is harder from an implementation perspective. The pros are that the arguments found in EasyMock. Sometimes this is a little too strict though, so there are ways to loosen this up.

This limitation is considered to be a feature that prevents you from having to care about these methods.

EasyMock : Documentation

If more than one mock can be assigned to the same field then this is considered an error. Expects an Object array that is equal to the given array, i. Expects an int argument greater than or equal to the given value. Expects an int argument less than the given value.


Getting Started

The next step is just as surprising. During recording, a mock is not thread-safe.

T – the accepted type. This is the old version of partialMockBuilder Classwhich is more completion friendly. For charactersI really don’t know how many times it will be called, except that it must be called at least once, so I expect it.

EasyMock Tutorial

Switches the given mock objects more exactly: Fork me on GitHub. Behavior A second test Let us write a second test. Expecting an Explicit Number of Calls Up to now, our test has only considered a single method call.

However, different mocks can be recorded simultaneously in different threads. For instance, Listing 3 is one case where a manually written mock using an anonymous inner class could be almost as compact and might be more legible to developers who aren’t yet familiar with EasyMock.

Expects a short array that is equal to the given array, i. I have been using EasyMock to unit test some web-based classes without requiring the presence of the app server and I am very impressed. However, this only works if the method logThrowable in the example usage accepts Throwable s, and does not require something more specific like a RuntimeException.