1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
'use strict';
const common = require('../common');
const assert = require('assert');
const spawn = require('child_process').spawn;
const stream = require('stream');
const fs = require('fs');
const path = require('path');
// require('internal/fs/utils').SyncWriteStream is used as a stdio
// implementation when stdout/stderr point to files.
if (process.argv[2] === 'child') {
// Note: Calling console.log() is part of this test as it exercises the
// SyncWriteStream#_write() code path.
console.log(JSON.stringify([process.stdout, process.stderr].map((stdio) => ({
instance: stdio instanceof stream.Writable,
readable: stdio.readable,
writable: stdio.writable,
}))));
return;
}
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const filename = path.join(tmpdir.path, 'stdout');
const stdoutFd = fs.openSync(filename, 'w');
const proc = spawn(process.execPath, [__filename, 'child'], {
stdio: ['inherit', stdoutFd, stdoutFd ]
});
proc.on('close', common.mustCall(() => {
fs.closeSync(stdoutFd);
assert.deepStrictEqual(JSON.parse(fs.readFileSync(filename, 'utf8')), [
{ instance: true, readable: false, writable: true },
{ instance: true, readable: false, writable: true }
]);
}));
|
