import {BinToDecConverter} from './bin-to-dec-converter';

describe('BinToDecConverter', () => {
  let sut: BinToDecConverter;

  beforeEach(() => sut = new BinToDecConverter());

  it('should create an instance', () => {
    expect(sut).toBeTruthy();
  });

  it('should have a display name', () => {
    expect(sut.getDisplayname()).toBeTruthy();
  });

  it('should have the id "bintodec"', () => {
    expect(sut.getId()).toEqual('bintodec');
  });

  it('should convert "11011" to "27"', () => {
    expect(sut.convert('11011')).toEqual('27');
  });

  it('should raise an exception on invalid input', () => {
    expect(() => sut.convert('1foo bar')).toThrowError('The input seems not to be a valid binary number.');
  });
});