import {DecToBinConverter} from './dec-to-bin-converter'; describe('DecToBinConverter', () => { it('should create an instance', () => { expect(new DecToBinConverter()).toBeTruthy(); }); it('should have the id "dectobin"', () => { expect(new DecToBinConverter().getId()).toEqual('dectobin'); }); it('should convert "22" to "10110"', () => { expect(new DecToBinConverter().convert('22')).toEqual('10110'); }); it('should raise an exception on invalid input', () => { expect(() => new DecToBinConverter().convert('foo bar')).toThrowError('The input seems not to be a valid integer.'); }); });