var Cancel = require('../../../lib/cancel/Cancel'); describe('Cancel', function() { describe('toString', function() { it('returns correct result when message is not specified', function() { var cancel = new Cancel(); expect(cancel.toString()).toBe('Cancel'); }); it('returns correct result when message is specified', function() { var cancel = new Cancel('Operation has been canceled.'); expect(cancel.toString()).toBe('Cancel: Operation has been canceled.'); }); }); });