node/test/parallel/test-vfs-mkdir.js
Matteo Collina c9562ddb82
vfs: add minimal node:vfs subsystem
Adds the node:vfs builtin module with VirtualFileSystem and
provider classes. No integration with fs, modules, or SEA.

Assisted-by: Claude-Opus4.7
Signed-off-by: Matteo Collina <hello@matteocollina.com>
PR-URL: https://github.com/nodejs/node/pull/63115
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Paolo Insogna <paolo@cowtech.it>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
2026-05-23 18:43:31 +00:00

49 lines
1.4 KiB
JavaScript

// Flags: --experimental-vfs
'use strict';
// mkdirSync / rmdirSync behaviour: return value, recursive option, mode
// option, error cases.
require('../common');
const assert = require('assert');
const vfs = require('node:vfs');
// mkdirSync({ recursive: true }) returns the path of the first newly-
// created directory when some parents already exist.
{
const myVfs = vfs.create();
myVfs.mkdirSync('/a');
const result = myVfs.mkdirSync('/a/b/c', { recursive: true });
assert.strictEqual(result, '/a/b');
}
// mkdirSync with explicit mode (non-recursive)
{
const myVfs = vfs.create();
myVfs.mkdirSync('/d-mode', { mode: 0o700 });
assert.strictEqual(myVfs.statSync('/d-mode').mode & 0o777, 0o700);
}
// mkdirSync with explicit mode + recursive
{
const myVfs = vfs.create();
myVfs.mkdirSync('/r-mode/sub/deep', { recursive: true, mode: 0o700 });
assert.strictEqual(myVfs.statSync('/r-mode/sub/deep').mode & 0o777, 0o700);
}
// Recursive mkdir through a regular-file blocker throws ENOTDIR
{
const myVfs = vfs.create();
myVfs.writeFileSync('/blocker', 'x');
assert.throws(
() => myVfs.mkdirSync('/blocker/sub', { recursive: true }),
{ code: 'ENOTDIR' });
}
// Rmdir on a non-empty directory throws ENOTEMPTY
{
const myVfs = vfs.create();
myVfs.mkdirSync('/d');
myVfs.writeFileSync('/d/x', '');
assert.throws(() => myVfs.rmdirSync('/d'), { code: 'ENOTEMPTY' });
}