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denoland-deno/cli/tests/node_compat/test/parallel/test-readline-undefined-columns.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

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// 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 "node/_tools/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();