algo.sha256.test.js

import C from '../src/index';

const VECTOR_CONFIG_TEST = [
  [1, '', 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'],
  [2, 'a', 'ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb'],
  [3, 'abc', 'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad'],
  [4, 'message digest', 'f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650'],
  [5, 'abcdefghijklmnopqrstuvwxyz', '71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73'],
  [6, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0'],
  [7, '12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e']
];

beforeAll(async () => {
  await C.SHA256.loadWasm();
});

describe('algo-sha256-test', () => {
  test.each(VECTOR_CONFIG_TEST)(
    'testVector%i',
    (a, b, expected) => {
      expect(C.SHA256(b).toString()).toBe(expected);
    }
  );

  test('testUpdateAndLongMessage', () => {
    let sha256 = new C.algo.SHA256();
    for (let i = 0; i < 100; i++) {
      sha256.update('12345678901234567890123456789012345678901234567890');
    }
    expect(sha256.finalize().toString()).toBe('f8146961d9b73d8da49ccd526fca65439cdd5b402f76971556d5f52fd129843e');
  });

  test('testClone', () => {
    let sha256 = new C.algo.SHA256();
    expect(sha256.update('a').clone().finalize().toString()).toBe(C.SHA256('a').toString());
    expect(sha256.update('b').clone().finalize().toString()).toBe(C.SHA256('ab').toString());
    expect(sha256.update('c').clone().finalize().toString()).toBe(C.SHA256('abc').toString());
  });

  test('testInputIntegrity', () => {
    let message = new C.lib.WordArray([0x12345678]);
    let expected = message.toString();
    C.SHA256(message);
    expect(message.toString()).toBe(expected);
  });

  test('testHelper', () => {
    expect(C.SHA256('').toString()).toBe(new C.algo.SHA256().finalize('').toString());
  });

  test('testHmacHelper', ()  => {
    expect(C.HmacSHA256('Hi There', C.enc.Hex.parse('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b')).toString()).toBe(new C.algo.HMAC(C.algo.SHA256, C.enc.Hex.parse('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b')).finalize('Hi There').toString());
  });
});