Mock chained methods using EasyMock

Question

How do you mock a chained method call in EasyMock? I have a chained method call:

srvc.getServiceManager().getDetails(Integer.parseInt(msgId));

I've tried to do

expect(srvc.getServiceManager().getDetails(Integer.parseInt(msgId))) .andReturn((String) notNull());

This throws a NullPointerException.

Trying to break this into two expectations also does not work. In that case I get

matcher calls were used outside expectations

How do I get around this issue?

omnomnom · Accepted Answer · 2013-06-01 12:51:41Z

Breaking into two expectations is perfectly fine, something like below:

final Service mockService = createMock(Service.class); final ServiceManager mockServiceManager = createMock(ServiceManager.class); final Capture<Integer> capturedMsgId = new Capture<Integer>(); expect(mockService.getServiceManager()).andReturn(mockServiceManager); expect(mockServiceManager.getDetails(capture(capturedMsgId))).andReturn("someString");

You shouldn't get any exception about it.

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