node/test/parallel/test-child-process-stdout-flush-exit.js
Jason Humphrey a1bd070f87 test: use ES6 to update let & const
Also updating assertStrict and moving the assert required.

PR-URL: https://github.com/nodejs/node/pull/9917
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
2016-12-06 13:03:39 -08:00

39 lines
1002 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
// if child process output to console and exit
if (process.argv[2] === 'child') {
console.log('hello');
for (let i = 0; i < 200; i++) {
console.log('filler');
}
console.log('goodbye');
process.exit(0);
} else {
// parent process
const spawn = require('child_process').spawn;
// spawn self as child
const child = spawn(process.argv[0], [process.argv[1], 'child']);
let stdout = '';
child.stderr.setEncoding('utf8');
child.stderr.on('data', function(data) {
console.log('parent stderr: ' + data);
assert.ok(false);
});
// check if we receive both 'hello' at start and 'goodbye' at end
child.stdout.setEncoding('utf8');
child.stdout.on('data', function(data) {
stdout += data;
});
child.on('close', common.mustCall(function() {
assert.strictEqual(stdout.slice(0, 6), 'hello\n');
assert.strictEqual(stdout.slice(stdout.length - 8), 'goodbye\n');
}));
}