deno.land / std@0.166.0 / node / _tools / test / parallel / test-readline-emit-keypress-events.js

test-readline-emit-keypress-events.js
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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 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'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 expectedSequence = ['f', 'o', 'o'];const expectedKeys = [ { 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 },];
{ 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, expectedSequence); assert.deepStrictEqual(keys, expectedKeys);}
{ const stream = new PassThrough(); const sequence = []; const keys = [];
stream.on('keypress', (s, k) => { sequence.push(s); keys.push(k); }); readline.emitKeypressEvents(stream); stream.write('foo');
assert.deepStrictEqual(sequence, expectedSequence); assert.deepStrictEqual(keys, expectedKeys);}
{ const stream = new PassThrough(); const sequence = []; const keys = []; const keypressListener = (s, k) => { sequence.push(s); keys.push(k); };
stream.on('keypress', keypressListener); readline.emitKeypressEvents(stream); stream.removeListener('keypress', keypressListener); stream.write('foo');
assert.deepStrictEqual(sequence, []); assert.deepStrictEqual(keys, []);
stream.on('keypress', keypressListener); stream.write('foo');
assert.deepStrictEqual(sequence, expectedSequence); assert.deepStrictEqual(keys, expectedKeys);}
std

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a year ago