tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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content-task.js (3542B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 /* eslint-env mozilla/frame-script */
      6 
      7 "use strict";
      8 
      9 let { ContentTaskUtils } = ChromeUtils.importESModule(
     10  "resource://testing-common/ContentTaskUtils.sys.mjs"
     11 );
     12 const { Assert: AssertCls } = ChromeUtils.importESModule(
     13  "resource://testing-common/Assert.sys.mjs"
     14 );
     15 const { setTimeout } = ChromeUtils.importESModule(
     16  "resource://gre/modules/Timer.sys.mjs"
     17 );
     18 
     19 // Injects EventUtils into ContentTask scope. To avoid leaks, this does not hold on
     20 // to the window global. This means you **need** to pass the window as an argument to
     21 // the individual EventUtils functions.
     22 // See SimpleTest/EventUtils.js for documentation.
     23 var EventUtils = {
     24  _EU_Ci: Ci,
     25  _EU_Cc: Cc,
     26  KeyboardEvent: content.KeyboardEvent,
     27  navigator: content.navigator,
     28  setTimeout,
     29  window: {},
     30 };
     31 
     32 EventUtils.synthesizeClick = element =>
     33  new Promise(resolve => {
     34    element.addEventListener(
     35      "click",
     36      function () {
     37        resolve();
     38      },
     39      { once: true }
     40    );
     41 
     42    EventUtils.synthesizeMouseAtCenter(
     43      element,
     44      { type: "mousedown", isSynthesized: false },
     45      content
     46    );
     47    EventUtils.synthesizeMouseAtCenter(
     48      element,
     49      { type: "mouseup", isSynthesized: false },
     50      content
     51    );
     52  });
     53 
     54 try {
     55  Services.scriptloader.loadSubScript(
     56    "chrome://mochikit/content/tests/SimpleTest/EventUtils.js",
     57    EventUtils
     58  );
     59 } catch (e) {
     60  // There are some xpcshell tests which may use ContentTask.
     61  // Just ignore if loading EventUtils fails. Tests that need it
     62  // will fail anyway.
     63  EventUtils = null;
     64 }
     65 
     66 addMessageListener("content-task:spawn", async function (msg) {
     67  let id = msg.data.id;
     68  let source = msg.data.runnable || "()=>{}";
     69 
     70  function getStack(aStack) {
     71    let frames = [];
     72    for (let frame = aStack; frame; frame = frame.caller) {
     73      frames.push(frame.filename + ":" + frame.name + ":" + frame.lineNumber);
     74    }
     75    return frames.join("\n");
     76  }
     77 
     78  var Assert = new AssertCls((err, message, stack) => {
     79    sendAsyncMessage("content-task:test-result", {
     80      id,
     81      condition: !err,
     82      name: err ? err.message : message,
     83      stack: getStack(err ? err.stack : stack),
     84    });
     85  });
     86 
     87  /* eslint-disable no-unused-vars */
     88  var ok = Assert.ok.bind(Assert);
     89  var is = Assert.equal.bind(Assert);
     90  var isnot = Assert.notEqual.bind(Assert);
     91 
     92  function todo(expr, name) {
     93    sendAsyncMessage("content-task:test-todo", { id, expr, name });
     94  }
     95 
     96  function todo_is(a, b, name) {
     97    sendAsyncMessage("content-task:test-todo_is", { id, a, b, name });
     98  }
     99 
    100  function info(name) {
    101    sendAsyncMessage("content-task:test-info", { id, name });
    102  }
    103  /* eslint-enable no-unused-vars */
    104 
    105  // Note that ContentTaskUtils is imported above, so it's also available in the
    106  // scope of the eval.
    107  // If more variables are made available, don't forget to update
    108  // tools/lint/eslint/eslint-plugin-mozilla/lib/rules/import-content-task-globals.js.
    109 
    110  try {
    111    let runnablestr = `
    112      (() => {
    113        return (${source});
    114      })();`;
    115 
    116    // eslint-disable-next-line no-eval
    117    let runnable = eval(runnablestr);
    118    let result = await runnable.call(this, msg.data.arg);
    119    sendAsyncMessage("content-task:complete", {
    120      id,
    121      result,
    122    });
    123  } catch (ex) {
    124    sendAsyncMessage("content-task:complete", {
    125      id,
    126      error: ex.toString(),
    127    });
    128  }
    129 });