node/test/parallel/test-pipe-head.js
Tobias Nießen 30fb4a015d test: add common.mustSucceed
PR-URL: https://github.com/nodejs/node/pull/35086
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2020-10-17 00:48:26 +02:00

17 lines
448 B
JavaScript

'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const exec = require('child_process').exec;
const nodePath = process.argv[0];
const script = fixtures.path('print-10-lines.js');
const cmd = `"${nodePath}" "${script}" | head -2`;
exec(cmd, common.mustSucceed((stdout, stderr) => {
const lines = stdout.split('\n');
assert.strictEqual(lines.length, 3);
}));