denoland-deno/cli/js/symlink_test.ts

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { test, testPerm, assert, assertEquals } from "./test_util.ts";

testPerm({ read: true, write: true }, function symlinkSyncSuccess(): void {
  const testDir = Deno.makeTempDirSync();
  const oldname = testDir + "/oldname";
  const newname = testDir + "/newname";
  Deno.mkdirSync(oldname);
  let errOnWindows;
  // Just for now, until we implement symlink for Windows.
  try {
    Deno.symlinkSync(oldname, newname);
  } catch (e) {
    errOnWindows = e;
  }
  if (errOnWindows) {
    assertEquals(Deno.build.os, "win");
    assertEquals(errOnWindows.message, "Not implemented");
  } else {
    const newNameInfoLStat = Deno.lstatSync(newname);
    const newNameInfoStat = Deno.statSync(newname);
    assert(newNameInfoLStat.isSymlink());
    assert(newNameInfoStat.isDirectory());
  }
});

test(function symlinkSyncPerm(): void {
  let err;
  try {
    Deno.symlinkSync("oldbaddir", "newbaddir");
  } catch (e) {
    err = e;
  }
  assert(err instanceof Deno.errors.PermissionDenied);
  assertEquals(err.name, "PermissionDenied");
});

// Just for now, until we implement symlink for Windows.
// Symlink with type should succeed on other platforms with type ignored
testPerm({ write: true }, function symlinkSyncNotImplemented(): void {
  const testDir = Deno.makeTempDirSync();
  const oldname = testDir + "/oldname";
  const newname = testDir + "/newname";
  let err;
  try {
    Deno.symlinkSync(oldname, newname, "dir");
  } catch (e) {
    err = e;
  }
  if (err) {
    assertEquals(Deno.build.os, "win");
    assertEquals(err.message, "Not implemented");
  }
});

testPerm({ read: true, write: true }, async function symlinkSuccess(): Promise<
  void
> {
  const testDir = Deno.makeTempDirSync();
  const oldname = testDir + "/oldname";
  const newname = testDir + "/newname";
  Deno.mkdirSync(oldname);
  let errOnWindows;
  // Just for now, until we implement symlink for Windows.
  try {
    await Deno.symlink(oldname, newname);
  } catch (e) {
    errOnWindows = e;
  }
  if (errOnWindows) {
    assertEquals(errOnWindows.message, "Not implemented");
  } else {
    const newNameInfoLStat = Deno.lstatSync(newname);
    const newNameInfoStat = Deno.statSync(newname);
    assert(newNameInfoLStat.isSymlink());
    assert(newNameInfoStat.isDirectory());
  }
});