gecko-dev/dom/workers/test/browser_fileURL.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";

const WORKER_BODY = "postMessage(42);\n";

// file:// tests.
add_task(async function() {
  await SpecialPowers.pushPrefEnv({
    set: [["privacy.file_unique_origin", false]],
  });

  info("Creating the tmp directory.");
  let parent = Cc["@mozilla.org/file/directory_service;1"]
    .getService(Ci.nsIDirectoryService)
    .QueryInterface(Ci.nsIProperties)
    .get("TmpD", Ci.nsIFile);
  parent.append("worker-dir-test");
  parent.createUnique(Ci.nsIFile.DIRECTORY_TYPE, 0o700);

  let dir_a = parent.clone();
  dir_a.append("a");
  dir_a.create(Ci.nsIFile.DIRECTORY_TYPE, 0o700);

  let page_a = dir_a.clone();
  page_a.append("empty.html");
  page_a.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);

  let url_a = Services.io.newFileURI(page_a);

  let worker = dir_a.clone();
  worker.append("worker.js");

  let stream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(
    Ci.nsIFileOutputStream
  );
  stream.init(
    worker,
    0x02 | 0x08 | 0x20, // write, create, truncate
    0o666,
    0
  );
  stream.write(WORKER_BODY, WORKER_BODY.length);
  stream.close();

  let url_worker = Services.io.newFileURI(worker);

  let dir_b = parent.clone();
  dir_b.append("b");
  dir_b.create(Ci.nsIFile.DIRECTORY_TYPE, 0o700);

  let page_b = dir_b.clone();
  page_b.append("empty.html");
  page_b.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);

  let url_b = Services.io.newFileURI(page_b);

  let tab = BrowserTestUtils.addTab(gBrowser, url_a.spec);
  gBrowser.selectedTab = tab;

  let browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  await SpecialPowers.spawn(browser, [url_worker.spec], function(spec) {
    return new content.Promise((resolve, reject) => {
      let w = new content.window.Worker(spec);
      w.onerror = _ => {
        reject();
      };
      w.onmessage = _ => {
        resolve();
      };
    });
  });
  ok(true, "The worker is loaded when the script is on the same directory.");

  BrowserTestUtils.removeTab(tab);

  tab = BrowserTestUtils.addTab(gBrowser, url_b.spec);
  gBrowser.selectedTab = tab;

  browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  await SpecialPowers.spawn(browser, [url_worker.spec], function(spec) {
    return new content.Promise((resolve, reject) => {
      let w = new content.window.Worker(spec);
      w.onerror = _ => {
        resolve();
      };
      w.onmessage = _ => {
        reject();
      };
    });
  });
  ok(
    true,
    "The worker is not loaded when the script is on a different directory."
  );

  BrowserTestUtils.removeTab(tab);

  info("Removing the tmp directory.");
  parent.remove(true);
});

const EMPTY_URL = "/browser/dom/workers/test/empty.html";
const WORKER_URL = "/browser/dom/workers/test/empty_worker.js";

add_task(async function() {
  let tab = BrowserTestUtils.addTab(
    gBrowser,
    "http://mochi.test:8888" + EMPTY_URL
  );
  gBrowser.selectedTab = tab;

  let browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  await SpecialPowers.spawn(
    browser,
    ["http://example.org" + WORKER_URL],
    function(spec) {
      return new content.Promise((resolve, reject) => {
        let w = new content.window.Worker(spec);
        w.onerror = _ => {
          resolve();
        };
        w.onmessage = _ => {
          reject();
        };
      });
    }
  );
  ok(
    true,
    "The worker is not loaded when the script is from different origin."
  );

  BrowserTestUtils.removeTab(tab);
});

add_task(async function() {
  let tab = BrowserTestUtils.addTab(
    gBrowser,
    "https://example.org" + EMPTY_URL
  );
  gBrowser.selectedTab = tab;

  let browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  await SpecialPowers.spawn(
    browser,
    ["http://example.org" + WORKER_URL],
    function(spec) {
      return new content.Promise((resolve, reject) => {
        let w = new content.window.Worker(spec);
        w.onerror = _ => {
          resolve();
        };
        w.onmessage = _ => {
          reject();
        };
      });
    }
  );
  ok(
    true,
    "The worker is not loaded when the script is from different origin."
  );

  BrowserTestUtils.removeTab(tab);
});