test-locking.js

// test/cannot-remove.spec.js
'use strict';

const assert = require('assert');
const fs      = require('fs');
const path    = require('path');
const os      = require('os');
const {describe, it, before, after} = require('node:test');

it('fs.rmdirSync must throw when self is locked', () => {
  const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'rmdir-test-'));


  if (process.platform === 'win32') {
    // On Windows, make the directory readonly
    const { execSync } = require('child_process');
    execSync(`attrib +R "${dir}" /S /D`);
  } else {
    // On Unix, remove write permissions
    fs.chmodSync(dir, 0o555);
  }

  assert.throws(
    () => fs.rmdirSync(dir),
    err => err && (err.code === 'EPERM' || err.code === 'EACCES'),
    'Expected fs.rmdirSync to fail when directory is read-only'
  );

  if (process.platform === 'win32') {
    // Remove readonly attribute on Windows
    const { execSync } = require('child_process');
    execSync(`attrib -R "${dir}" /S /D`, { stdio: 'ignore' });
  } else {
    // Restore write permissions on Unix
    fs.chmodSync(dir, 0o755);
  }
  fs.rmdirSync(dir);
});

it('fs.rmdirSync must throw when parent is locked', () => {
  const parent = fs.mkdtempSync(path.join(os.tmpdir(), 'rmdir-test-'));
  const child = fs.mkdtempSync(path.join(parent, 'child-'));

  if (process.platform === 'win32') {
    // On Windows, make the directory readonly
    const { execSync } = require('child_process');
    execSync(`attrib +R "${parent}" /S /D`);
  } else {
    // On Unix, remove write permissions
    fs.chmodSync(parent, 0o555);
  }

  assert.throws(
    () => fs.rmdirSync(child),
    err => err && (err.code === 'EPERM' || err.code === 'EACCES'),
    'Expected fs.rmdirSync to fail when directory is read-only'
  );

  if (process.platform === 'win32') {
    // Remove readonly attribute on Windows
    const { execSync } = require('child_process');
    execSync(`attrib -R "${parent}" /S /D`, { stdio: 'ignore' });
  } else {
    // Restore write permissions on Unix
    fs.chmodSync(parent, 0o755);
  }


  fs.rmdirSync(child);
  fs.rmdirSync(parent);
});