node/test/parallel/test-readline-emit-keypress-events.js
Lian Li f569ecf7b3 readline: assert without the use of event listener
PR-URL: https://github.com/nodejs/node/pull/23472
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
2018-10-13 20:18:08 -07:00

29 lines
866 B
JavaScript

'use strict';
// emitKeypressEvents is thoroughly tested in test-readline-keys.js.
// However, that test calls it implicitly. This is just a quick sanity check
// to verify that it works when called explicitly.
require('../common');
const assert = require('assert');
const readline = require('readline');
const PassThrough = require('stream').PassThrough;
const stream = new PassThrough();
const sequence = [];
const keys = [];
readline.emitKeypressEvents(stream);
stream.on('keypress', (s, k) => {
sequence.push(s);
keys.push(k);
});
stream.write('foo');
assert.deepStrictEqual(sequence, ['f', 'o', 'o']);
assert.deepStrictEqual(keys, [
{ sequence: 'f', name: 'f', ctrl: false, meta: false, shift: false },
{ sequence: 'o', name: 'o', ctrl: false, meta: false, shift: false },
{ sequence: 'o', name: 'o', ctrl: false, meta: false, shift: false }
]);