import { EncryptionMethod, createSalt } from '../src/crypt3';

jest.mock('crypto', () => {
  return {
    randomBytes: (len: number): { toString: () => string } => {
      return {
        toString: (): string => '/UEGzD0RxSNDZA=='.substring(0, len),
      };
    },
  };
});

describe('createSalt', () => {
  test('should match with the correct salt type', () => {
    expect(createSalt(EncryptionMethod.crypt)).toEqual('/U');
    expect(createSalt(EncryptionMethod.md5)).toEqual('$1$/UEGzD0RxS');
    expect(createSalt(EncryptionMethod.blowfish)).toEqual('$2a$/UEGzD0RxS');
    expect(createSalt(EncryptionMethod.sha256)).toEqual('$5$/UEGzD0RxS');
    expect(createSalt(EncryptionMethod.sha512)).toEqual('$6$/UEGzD0RxS');
  });

  test('should fails on unkwon type', () => {
    expect(function () {
      createSalt('bad' as any);
    }).toThrow(/Unknown salt type at crypt3.createSalt: bad/);
  });

  test('should generate legacy crypt salt by default', () => {
    expect(createSalt()).toEqual(createSalt(EncryptionMethod.crypt));
  });
});