Function test_deep_symlink_mix

test/parallel/test-fs-realpath.js:313–368

(realpath, realpathSync, callback)

}

function test_deep_symlink_mix(realpath, realpathSync, callback) {
  console.log('test_deep_symlink_mix');
  if (common.isWindows) {
    // This one is a mix of files and directories, and it's quite tricky
    // to get the file/dir links sorted out correctly.
    common.printSkipMessage('symlink test (no privs)');
    return callback();
  }

  // /tmp/node-test-realpath-f1 -> $tmpDir/node-test-realpath-d1/foo
  // /tmp/node-test-realpath-d1 -> $tmpDir/node-test-realpath-d2
  // /tmp/node-test-realpath-d2/foo -> $tmpDir/node-test-realpath-f2
  // /tmp/node-test-realpath-f2
  //   -> $tmpDir/targets/nested-index/one/realpath-c
  // $tmpDir/targets/nested-index/one/realpath-c
  //   -> $tmpDir/targets/nested-index/two/realpath-c
  // $tmpDir/targets/nested-index/two/realpath-c -> $tmpDir/cycles/root.js
  // $tmpDir/targets/cycles/root.js (hard)

  const entry = tmp('node-test-realpath-f1');
  try { fs.unlinkSync(tmp('node-test-realpath-d2/foo')); } catch {
    // Continue regardless of error.
  }
  try { fs.rmdirSync(tmp('node-test-realpath-d2')); } catch {
    // Continue regardless of error.
  }
  fs.mkdirSync(tmp('node-test-realpath-d2'), 0o700);
  try {
    [
      [entry, `${tmpDir}/node-test-realpath-d1/foo`],
      [tmp('node-test-realpath-d1'),
       `${tmpDir}/node-test-realpath-d2`],
      [tmp('node-test-realpath-d2/foo'), '../node-test-realpath-f2'],
      [tmp('node-test-realpath-f2'),
       `${targetsAbsDir}/nested-index/one/realpath-c`],
      [`${targetsAbsDir}/nested-index/one/realpath-c`,
       `${targetsAbsDir}/nested-index/two/realpath-c`],
      [`${targetsAbsDir}/nested-index/two/realpath-c`,
       `${tmpDir}/cycles/root.js`],
    ].forEach(function(t) {
      try { fs.unlinkSync(t[0]); } catch {
        // Continue regardless of error.
      }
      fs.symlinkSync(t[1], t[0]);
      unlink.push(t[0]);
    });
  } finally {
    unlink.push(tmp('node-test-realpath-d2'));
  }
  const expected = `${tmpAbsDir}/cycles/root.js`;
  assertEqualPath(realpathSync(entry), path.resolve(expected));
  asynctest(realpath, [entry], callback, function(err, result) {
    assertEqualPath(result, path.resolve(expected));
    return true;
  });
}

function test_non_symlinks(realpath, realpathSync, callback) {