test/parallel/test-fs-symlink-dir-junction-relative.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
// Test creating and resolving relative junction or symbolic link

const common = require('../common');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const path = require('path');
const fs = require('fs');

const tmpdir = require('../common/tmpdir');

const linkPath1 = path.join(tmpdir.path, 'junction1');
const linkPath2 = path.join(tmpdir.path, 'junction2');
const linkTarget = fixtures.fixturesDir;
const linkData = fixtures.fixturesDir;

tmpdir.refresh();

// Test fs.symlink()
fs.symlink(linkData, linkPath1, 'junction', common.mustCall(function(err) {
  assert.ifError(err);
  verifyLink(linkPath1);
}));

// Test fs.symlinkSync()
fs.symlinkSync(linkData, linkPath2, 'junction');
verifyLink(linkPath2);

function verifyLink(linkPath) {
  const stats = fs.lstatSync(linkPath);
  assert.ok(stats.isSymbolicLink());

  const data1 = fs.readFileSync(`${linkPath}/x.txt`, 'ascii');
  const data2 = fs.readFileSync(`${linkTarget}/x.txt`, 'ascii');
  assert.strictEqual(data1, data2);

  // Clean up.
  fs.unlinkSync(linkPath);
}