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'use strict';
// Flags: --expose_internals
require('../common');
const assert = require('assert');
const _validateStdio = require('internal/child_process')._validateStdio;
// should throw if string and not ignore, pipe, or inherit
assert.throws(function() {
_validateStdio('foo');
}, /Incorrect value of stdio option/);
// should throw if not a string or array
assert.throws(function() {
_validateStdio(600);
}, /Incorrect value of stdio option/);
// should populate stdio with undefined if len < 3
{
const stdio1 = [];
const result = _validateStdio(stdio1, false);
assert.strictEqual(stdio1.length, 3);
assert.strictEqual(result.hasOwnProperty('stdio'), true);
assert.strictEqual(result.hasOwnProperty('ipc'), true);
assert.strictEqual(result.hasOwnProperty('ipcFd'), true);
}
// should throw if stdio has ipc and sync is true
const stdio2 = ['ipc', 'ipc', 'ipc'];
assert.throws(function() {
_validateStdio(stdio2, true);
}, /You cannot use IPC with synchronous forks/);
{
const stdio3 = [process.stdin, process.stdout, process.stderr];
const result = _validateStdio(stdio3, false);
assert.deepStrictEqual(result, {
stdio: [
{ type: 'fd', fd: 0 },
{ type: 'fd', fd: 1 },
{ type: 'fd', fd: 2 }
],
ipc: undefined,
ipcFd: undefined
});
}
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