nodejs/test/parallel/test-fs-copyfile-respect-pe...

60 lines
1.4 KiB
JavaScript

'use strict';
// Test that fs.copyFile() respects file permissions.
// Ref: https://github.com/nodejs/node/issues/26936
const common = require('../common');
if (!common.isWindows && process.getuid() === 0)
common.skip('as this test should not be run as `root`');
if (common.isIBMi)
common.skip('IBMi has a different access permission mechanism');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const assert = require('assert');
const fs = require('fs');
const path = require('path');
let n = 0;
function beforeEach() {
n++;
const source = path.join(tmpdir.path, `source${n}`);
const dest = path.join(tmpdir.path, `dest${n}`);
fs.writeFileSync(source, 'source');
fs.writeFileSync(dest, 'dest');
fs.chmodSync(dest, '444');
const check = (err) => {
const expected = ['EACCES', 'EPERM'];
assert(expected.includes(err.code), `${err.code} not in ${expected}`);
assert.strictEqual(fs.readFileSync(dest, 'utf8'), 'dest');
return true;
};
return { source, dest, check };
}
// Test synchronous API.
{
const { source, dest, check } = beforeEach();
assert.throws(() => { fs.copyFileSync(source, dest); }, check);
}
// Test promises API.
{
const { source, dest, check } = beforeEach();
(async () => {
await assert.rejects(fs.promises.copyFile(source, dest), check);
})();
}
// Test callback API.
{
const { source, dest, check } = beforeEach();
fs.copyFile(source, dest, common.mustCall(check));
}