This annotation always goes hand in hand with ArgumentCaptor. Mockito provides a special Captor functionality used to capture the arguments passed to a method in mock object.
#Mockito captor how to#
Use it to capture argument values for further assertions. In this article, we will present how to capture all arguments used in multiple method calls using the Mockito testing framework. It will still behave in the same way as the normal instance the only difference is that it will also be instrumented to track all the interactions with it. Mockito verifies argument values in natural java style: by using an equals () method. On the other hand, the spy will wrap an existing instance. Use it to capture argument values for further assertions. This will allow you to extract the arguments into your test method and. The mock simply creates a bare-bones shell instance of the Class, entirely instrumented to track interactions with it. Consider a function that takes an interface implementation as an argument like this: interface Callback.` when`(mockClassA).methodB(onSuccessCapture.capture(), onErrorCapture.capture()) 1 week ago Java Mockito ArgumentCaptor tutorial with examples Previous Next. To validate arguments to methods called on a mock, use the ArgumentCaptor class.
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