1'use strict'; 2// Flags: --expose-internals 3 4const common = require('../common'); 5const assert = require('assert'); 6const getValidStdio = require('internal/child_process').getValidStdio; 7 8const expectedError = { code: 'ERR_INVALID_OPT_VALUE', name: 'TypeError' }; 9 10// Should throw if string and not ignore, pipe, or inherit 11assert.throws(() => getValidStdio('foo'), expectedError); 12 13// Should throw if not a string or array 14assert.throws(() => getValidStdio(600), expectedError); 15 16// Should populate stdio with undefined if len < 3 17{ 18 const stdio1 = []; 19 const result = getValidStdio(stdio1, false); 20 assert.strictEqual(stdio1.length, 3); 21 assert.strictEqual(result.hasOwnProperty('stdio'), true); 22 assert.strictEqual(result.hasOwnProperty('ipc'), true); 23 assert.strictEqual(result.hasOwnProperty('ipcFd'), true); 24} 25 26// Should throw if stdio has ipc and sync is true 27const stdio2 = ['ipc', 'ipc', 'ipc']; 28assert.throws(() => getValidStdio(stdio2, true), 29 { code: 'ERR_IPC_SYNC_FORK', name: 'Error' } 30); 31 32// Should throw if stdio is not a valid input 33{ 34 const stdio = ['foo']; 35 assert.throws(() => getValidStdio(stdio, false), 36 { code: 'ERR_INVALID_SYNC_FORK_INPUT', name: 'TypeError' } 37 ); 38} 39 40// Should throw if stdio is not a valid option 41{ 42 const stdio = [{ foo: 'bar' }]; 43 assert.throws(() => getValidStdio(stdio), expectedError); 44} 45 46if (common.isMainThread) { 47 const stdio3 = [process.stdin, process.stdout, process.stderr]; 48 const result = getValidStdio(stdio3, false); 49 assert.deepStrictEqual(result, { 50 stdio: [ 51 { type: 'fd', fd: 0 }, 52 { type: 'fd', fd: 1 }, 53 { type: 'fd', fd: 2 }, 54 ], 55 ipc: undefined, 56 ipcFd: undefined 57 }); 58} else { 59 common.printSkipMessage( 60 'stdio is not associated with file descriptors in Workers'); 61} 62