0
0
mirror of https://github.com/nodejs/node.git synced 2024-12-01 16:10:02 +01:00
nodejs/test/parallel/test-repl-definecommand.js
Vse Mozhet Byt 8b76c3e60c test: reduce string concatenations
PR-URL: https://github.com/nodejs/node/pull/12735
Refs: https://github.com/nodejs/node/pull/12455
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
2017-05-05 17:39:05 +03:00

45 lines
1.1 KiB
JavaScript

'use strict';
require('../common');
const stream = require('stream');
const assert = require('assert');
const repl = require('repl');
let output = '';
const inputStream = new stream.PassThrough();
const outputStream = new stream.PassThrough();
outputStream.on('data', function(d) {
output += d;
});
const r = repl.start({
input: inputStream,
output: outputStream,
terminal: true
});
r.defineCommand('say1', {
help: 'help for say1',
action: function(thing) {
output = '';
this.write(`hello ${thing}`);
this.displayPrompt();
}
});
r.defineCommand('say2', function() {
output = '';
this.write('hello from say2');
this.displayPrompt();
});
inputStream.write('.help\n');
assert(/\n\.say1 help for say1\n/.test(output),
'help for say1 not present');
assert(/\n\.say2\n/.test(output), 'help for say2 not present');
inputStream.write('.say1 node developer\n');
assert(/> hello node developer/.test(output), 'say1 outputted incorrectly');
inputStream.write('.say2 node developer\n');
assert(/> hello from say2/.test(output), 'say2 outputted incorrectly');