1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22'use strict'; 23 24const { 25 mustCall, 26 mustNotCall, 27} = require('../common'); 28const assert = require('assert'); 29const debug = require('util').debuglog('test'); 30 31const { spawn } = require('child_process'); 32const fixtures = require('../common/fixtures'); 33 34const sub = fixtures.path('echo.js'); 35 36const child = spawn(process.argv[0], [sub]); 37 38child.stderr.on('data', mustNotCall()); 39 40child.stdout.setEncoding('utf8'); 41 42const messages = [ 43 'hello world\r\n', 44 'echo me\r\n', 45]; 46 47child.stdout.on('data', mustCall((data) => { 48 debug(`child said: ${JSON.stringify(data)}`); 49 const test = messages.shift(); 50 debug(`testing for '${test}'`); 51 assert.strictEqual(data, test); 52 if (messages.length) { 53 debug(`writing '${messages[0]}'`); 54 child.stdin.write(messages[0]); 55 } else { 56 assert.strictEqual(messages.length, 0); 57 child.stdin.end(); 58 } 59}, messages.length)); 60 61child.stdout.on('end', mustCall((data) => { 62 debug('child end'); 63})); 64