node/test/parallel/test-repl-require-after-write.js
gengjiawen fe963149f6
repl: add welcome message
PR-URL: https://github.com/nodejs/node/pull/25947
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
2019-04-16 03:37:03 +02:00

32 lines
866 B
JavaScript

'use strict';
const common = require('../common');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const spawn = require('child_process').spawn;
const path = require('path');
tmpdir.refresh();
const requirePath = JSON.stringify(path.join(tmpdir.path, 'non-existent.json'));
// Use -i to force node into interactive mode, despite stdout not being a TTY
const child = spawn(process.execPath, ['-i']);
let out = '';
const input = `try { require(${requirePath}); } catch {} ` +
`require('fs').writeFileSync(${requirePath}, '1');` +
`require(${requirePath});`;
child.stderr.on('data', common.mustNotCall());
child.stdout.setEncoding('utf8');
child.stdout.on('data', (c) => {
out += c;
});
child.stdout.on('end', common.mustCall(() => {
assert.ok(out.endsWith('> 1\n> '));
}));
child.stdin.end(input);