1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-11-24 15:19:26 -05:00
denoland-deno/cli/tests/node_compat/test/parallel/test-readline-undefined-columns.js
2023-06-02 15:05:32 +09:00

53 lines
1.3 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const assert = require('assert');
const PassThrough = require('stream').PassThrough;
const readline = require('readline');
common.skipIfDumbTerminal();
// Checks that tab completion still works
// when output column size is undefined
const iStream = new PassThrough();
const oStream = new PassThrough();
readline.createInterface({
terminal: true,
input: iStream,
output: oStream,
completer: function(line, cb) {
cb(null, [['process.stdout', 'process.stdin', 'process.stderr'], line]);
}
});
let output = '';
oStream.on('data', function(data) {
output += data;
});
oStream.on('end', common.mustCall(() => {
const expect = 'process.stdout\r\n' +
'process.stdin\r\n' +
'process.stderr';
assert.match(output, new RegExp(expect));
}));
iStream.write('process.s\t');
// Completion works.
assert.match(output, /process\.std\b/);
// Completion doesnt show all results yet.
assert.doesNotMatch(output, /stdout/);
iStream.write('\t');
oStream.end();