node/test/pummel/test-hash-seed.js

27 lines
905 B
JavaScript

'use strict';
// Check that spawn child doesn't create duplicated entries
const common = require('../common');
const kRepetitions = 2;
const assert = require('assert');
const fixtures = require('../common/fixtures');
const { promisify, debuglog } = require('util');
const debug = debuglog('test');
const { execFile } = require('child_process');
const execFilePromise = promisify(execFile);
const targetScript = fixtures.path('guess-hash-seed.js');
const requiredCallback = common.mustCall((results) => {
const seeds = results.map((val) => val.stdout.trim());
debug(`Seeds: ${seeds}`);
assert.strictEqual(new Set(seeds).size, seeds.length);
assert.strictEqual(seeds.length, kRepetitions);
});
const generateSeed = () => execFilePromise(process.execPath, [targetScript]);
const subprocesses = [...new Array(kRepetitions)].map(generateSeed);
Promise.all(subprocesses)
.then(requiredCallback);