An example testing a segue method.

gistfile1.m

describe(@"Segues", ^{
        describe(@"entity list segue", ^{
            describe(@"When Entity is selected", ^{
                __block TNWEntityTableViewController *mockController;
                beforeEach (^{
                    mockController = mock([TNWEntityTableViewController class]);
                    cut.selectedEntityList = @"Entity";
                    [cut entityListSegueToController:mockController WithSegue:nil];
                });

                it(@"should call beginLoadEntity on the entity list controller", ^{
                    [verify(mockController) beginLoadEntity:@"Entity"];
                });
            });
        });
    });