+ when(httpRequest.isParameterSet(anyString())).thenAnswer(new Answer<Boolean>() {
+ @Override
+ public Boolean answer(InvocationOnMock invocation) throws Throwable {
+ return requestParameters.containsKey(invocation.<String>getArgument(0)) &&
+ requestParameters.get(invocation.<String>getArgument(0)).iterator().next() != null;
+ }
+ });