Example of Mockito's argumentCaptor

Question

Can anyone please provide me an example showing how to use the org.mockito.ArgumentCaptor class and how it is different from simple matchers that are p

Answer 1

The steps in order to make a full check are:

Prepare the captor :

ArgumentCaptor someArgumentCaptor = ArgumentCaptor.forClass(SomeArgumentClass.class);

verify the call to dependent on component (collaborator of subject under test) times(1), is the default value, so ne need to add it.

verify(dependentOnComponent, times(1)).send(someArgumentCaptor.capture());

times(1) is the default, so no need to add it.

Get the argument passed to collaborator

SomeArgumentClass someArgument = messageCaptor.getValue();

someArgument can be used for assertions