124 lines
4.5 KiB
JavaScript
124 lines
4.5 KiB
JavaScript
import {
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fromHex,
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fromString
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} from '../src/bytes.js';
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import { hash as slSha256 } from '@stablelib/sha256';
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import { hash as slSha512 } from '@stablelib/sha512';
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import valid from './fixtures/valid-multihash.js';
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import invalid from './fixtures/invalid-multihash.js';
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import {
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sha256,
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sha512
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} from '../src/hashes/sha2-browser.js';
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import { identity } from '../src/hashes/identity.js';
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import {
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decode as decodeDigest,
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create as createDigest
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} from '../src/hashes/digest.js';
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import chai from 'chai';
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import chaiAsPromised from 'chai-as-promised';
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chai.use(chaiAsPromised);
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const {assert} = chai;
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const sample = (code, size, hex) => {
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const toHex = i => {
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if (typeof i === 'string')
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return i;
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const h = i.toString(16);
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return h.length % 2 === 1 ? `0${ h }` : h;
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};
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return fromHex(`${ toHex(code) }${ toHex(size) }${ hex }`);
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};
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describe('multihash', () => {
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const empty = new Uint8Array(0);
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describe('encode', () => {
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it('valid', () => {
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for (const test of valid) {
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const {encoding, hex, size} = test;
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const {code, varint} = encoding;
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const buf = sample(varint || code, size, hex);
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assert.deepStrictEqual(createDigest(code, hex ? fromHex(hex) : empty).bytes, buf);
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}
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});
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it('hash sha2-256', async () => {
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const hash = await sha256.digest(fromString('test'));
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assert.deepStrictEqual(hash.code, sha256.code);
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assert.deepStrictEqual(hash.digest, slSha256(fromString('test')));
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const hash2 = decodeDigest(hash.bytes);
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assert.deepStrictEqual(hash2.code, sha256.code);
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assert.deepStrictEqual(hash2.bytes, hash.bytes);
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});
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if (typeof navigator === 'undefined') {
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it('sync sha-256', () => {
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const hash = sha256.digest(fromString('test'));
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if (hash instanceof Promise) {
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assert.fail('expected sync result');
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} else {
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assert.deepStrictEqual(hash.code, sha256.code);
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assert.deepStrictEqual(hash.digest, slSha256(fromString('test')));
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const hash2 = decodeDigest(hash.bytes);
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assert.deepStrictEqual(hash2.code, sha256.code);
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assert.deepStrictEqual(hash2.bytes, hash.bytes);
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}
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});
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}
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it('hash sha2-512', async () => {
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const hash = await sha512.digest(fromString('test'));
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assert.deepStrictEqual(hash.code, sha512.code);
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assert.deepStrictEqual(hash.digest, slSha512(fromString('test')));
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const hash2 = decodeDigest(hash.bytes);
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assert.deepStrictEqual(hash2.code, sha512.code);
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assert.deepStrictEqual(hash2.bytes, hash.bytes);
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});
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it('hash identity async', async () => {
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const hash = await identity.digest(fromString('test'));
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assert.deepStrictEqual(hash.code, identity.code);
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assert.deepStrictEqual(identity.code, 0);
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assert.deepStrictEqual(hash.digest, fromString('test'));
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const hash2 = decodeDigest(hash.bytes);
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assert.deepStrictEqual(hash2.code, identity.code);
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assert.deepStrictEqual(hash2.bytes, hash.bytes);
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});
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it('hash identity sync', () => {
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const hash = identity.digest(fromString('test'));
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assert.deepStrictEqual(hash.code, identity.code);
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assert.deepStrictEqual(identity.code, 0);
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assert.deepStrictEqual(hash.digest, fromString('test'));
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const hash2 = decodeDigest(hash.bytes);
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assert.deepStrictEqual(hash2.code, identity.code);
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assert.deepStrictEqual(hash2.bytes, hash.bytes);
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});
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});
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describe('decode', () => {
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for (const {encoding, hex, size} of valid) {
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it(`valid fixture ${ hex }`, () => {
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const {code, varint} = encoding;
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const bytes = sample(varint || code, size, hex);
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const digest = hex ? fromHex(hex) : empty;
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const hash = decodeDigest(bytes);
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assert.deepStrictEqual(hash.bytes, bytes);
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assert.deepStrictEqual(hash.code, code);
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assert.deepStrictEqual(hash.size, size);
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assert.deepStrictEqual(hash.digest, digest);
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});
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}
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it('get from buffer', async () => {
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const hash = await sha256.digest(fromString('test'));
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assert.deepStrictEqual(hash.code, 18);
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});
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});
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describe('validate', async () => {
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it('invalid fixtures', async () => {
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for (const test of invalid) {
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const buff = fromHex(test.hex);
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assert.throws(() => decodeDigest(buff), test.message);
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}
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});
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});
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it('throw on hashing non-buffer', async () => {
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try {
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await sha256.digest('asdf');
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} catch (error) {
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assert.match(String(error), /Unknown type, must be binary type/);
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}
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});
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}); |