Using Mockito to mock classes with generic parameters

Question

Is there a clean method of mocking a class with generic parameters? Say I have to mock a class Foo which I need to pass into a method that expects a <

Answer 1

Here is an interesting case: method receieves generic collection and returns generic collection of same base type. For example:

Collection map(Collection assertions);

This method can be mocked with combination of Mockito anyCollectionOf matcher and the Answer.

when(mockedObject.map(anyCollectionOf(Assertion.class))).thenAnswer(
     new Answer>() {
         @Override
         public Collection answer(InvocationOnMock invocation) throws Throwable {
             return new ArrayList();
         }
     });