blake3
Version:
BLAKE3 hashing for JavaScript: native Node bindings (where available) and WebAssembly
153 lines • 7.52 kB
JavaScript
;
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const wasm = __importStar(require("./node"));
const native = __importStar(require("./node-native"));
const chai_1 = require("chai");
const test_helpers_1 = require("./base/test-helpers");
const stream_buffers_1 = require("stream-buffers");
const hash_reader_1 = require("./base/hash-reader");
function suite({ hash, createHash }) {
describe('encoding', () => {
it('hashes a buffer', () => {
chai_1.expect(hash(Buffer.from(test_helpers_1.inputs.hello.input))).to.deep.equal(test_helpers_1.inputs.hello.hash);
});
it('hashes a string', () => {
chai_1.expect(hash(test_helpers_1.inputs.hello.input)).to.deep.equal(test_helpers_1.inputs.hello.hash);
});
it('hashes an arraybuffer', () => {
const buf = Buffer.from(test_helpers_1.inputs.hello.input);
chai_1.expect(hash(new Uint8Array(buf).buffer)).to.deep.equal(test_helpers_1.inputs.hello.hash);
});
it('customizes the output length', () => {
chai_1.expect(hash(test_helpers_1.inputs.hello.input, { length: 16 })).to.deep.equal(test_helpers_1.inputs.hello.hash.slice(0, 16));
});
});
describe('memory-safety (#5)', () => {
it('hash', () => {
const hashA = hash('hello');
const hashB = hash('goodbye');
chai_1.expect(hashA.toString('hex')).to.equal('ea8f163db38682925e4491c5e58d4bb3506ef8c14eb78a86e908c5624a67200f');
chai_1.expect(hashB.toString('hex')).to.equal('f94a694227c5f31a07551908ad5fb252f5f0964030df5f2f200adedfae4d9b69');
});
it('hasher', () => {
const hasherA = createHash();
const hasherB = createHash();
hasherA.update('hel');
hasherB.update('good');
hasherA.update('lo');
hasherB.update('bye');
const hashA = hasherA.digest();
const hashB = hasherB.digest();
chai_1.expect(hashA.toString('hex')).to.equal('ea8f163db38682925e4491c5e58d4bb3506ef8c14eb78a86e908c5624a67200f');
chai_1.expect(hashB.toString('hex')).to.equal('f94a694227c5f31a07551908ad5fb252f5f0964030df5f2f200adedfae4d9b69');
});
});
describe('hasher', () => {
it('digests', callback => {
const buffer = new stream_buffers_1.ReadableStreamBuffer();
buffer.put(Buffer.from(test_helpers_1.inputs.large.input));
buffer.stop();
const hash = createHash();
buffer.on('data', b => hash.update(b));
buffer.on('end', () => {
const actual = hash.digest();
chai_1.expect(actual).to.deep.equal(test_helpers_1.inputs.large.hash);
callback();
});
});
it('is a transform stream', callback => {
const buffer = new stream_buffers_1.ReadableStreamBuffer();
buffer.put(Buffer.from(test_helpers_1.inputs.large.input));
buffer.stop();
buffer
.pipe(createHash())
.on('error', callback)
.on('data', hash => {
chai_1.expect(hash).to.deep.equal(test_helpers_1.inputs.large.hash);
callback();
});
});
it('customizes the output length', () => {
const hash = createHash();
hash.update(test_helpers_1.inputs.hello.input);
chai_1.expect(hash.digest('hex', { length: 16 })).to.equal(test_helpers_1.inputs.hello.hash.slice(0, 16).toString('hex'));
});
it('throws on write after dispose', () => {
const hash = createHash();
hash.dispose();
chai_1.expect(() => hash.update('')).to.throw(/after dispose/);
});
it('allows taking incremental hashes', () => {
const hasher = createHash();
hasher.update('hel');
const hashA = hasher.digest(undefined, { dispose: false });
const readA = hasher.reader({ dispose: false });
hasher.update('lo');
const hashB = hasher.digest(undefined, { dispose: false });
const readB = hasher.reader({ dispose: false });
const expectedA = Buffer.from('3121c5bb1b9193123447ac7cfda042f67f967e7a8cf5c12e7570e25529746e4a', 'hex');
chai_1.expect(hashA).to.deep.equal(expectedA);
chai_1.expect(readA.toBuffer()).to.deep.equal(expectedA);
chai_1.expect(hashB).to.deep.equal(test_helpers_1.inputs.hello.hash);
chai_1.expect(readB.toBuffer()).to.deep.equal(test_helpers_1.inputs.hello.hash);
hasher.dispose();
readA.dispose();
readB.dispose();
});
});
describe('reader', () => {
let reader;
beforeEach(() => {
const hash = createHash();
hash.update(test_helpers_1.inputs.hello.input);
reader = hash.reader();
});
afterEach(() => reader.dispose());
it('implements toString()', () => {
chai_1.expect(reader.toString('hex')).to.equal(test_helpers_1.inputs.hello.hash.toString('hex'));
reader.position = BigInt(42);
chai_1.expect(reader.toString('hex')).to.equal(test_helpers_1.inputs.hello.hash.toString('hex'));
});
it('implements toBuffer()', () => {
chai_1.expect(reader.toBuffer()).to.deep.equal(test_helpers_1.inputs.hello.hash);
reader.position = BigInt(42);
chai_1.expect(reader.toBuffer()).to.deep.equal(test_helpers_1.inputs.hello.hash);
});
it('implements readInto() and advances', () => {
const actual = Buffer.alloc(32);
reader.readInto(actual.slice(0, 10));
reader.readInto(actual.slice(10));
chai_1.expect(actual).to.deep.equal(test_helpers_1.inputs.hello.hash);
chai_1.expect(reader.position).to.equal(BigInt(32));
});
it('implements read() and advances', () => {
const actual = reader.read(32);
chai_1.expect(actual).to.deep.equal(test_helpers_1.inputs.hello.hash);
chai_1.expect(reader.position).to.equal(BigInt(32));
const actualNext = reader.read(16);
chai_1.expect(actualNext).to.deep.equal(test_helpers_1.hello48.slice(32));
chai_1.expect(reader.position).to.equal(BigInt(48));
});
it('manually sets position', () => {
reader.position = BigInt(32);
const actual = reader.read(16);
chai_1.expect(actual).to.deep.equal(test_helpers_1.hello48.slice(32));
});
it('throws if set out of range', () => {
chai_1.expect(() => (reader.position = BigInt(-1))).to.throw(RangeError);
chai_1.expect(() => (reader.position = BigInt('18446744073709551616'))).to.throw(RangeError);
reader.position = hash_reader_1.maxHashBytes - BigInt(1);
chai_1.expect(() => reader.read(2)).to.throw(RangeError);
});
});
}
describe('node.js wasm', () => suite(wasm));
describe('node.js native', () => suite(native));
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