test_import.js - mozsearch

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/* 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/. */

var TestFile;

function run_test() {

  var scope = {};

  var exports = ChromeUtils.import("resource://test/TestFile.jsm", scope);

  Assert.equal(typeof(scope.TestFile), "object");

  Assert.equal(typeof(scope.TestFile.doTest), "function");

  equal(scope.TestFile, exports.TestFile);

  deepEqual(Object.keys(scope), ["TestFile"]);

  deepEqual(Object.keys(exports), ["TestFile"]);

  exports = ChromeUtils.import("resource://test/TestFile.jsm");

  equal(scope.TestFile, exports.TestFile);

  deepEqual(Object.keys(exports), ["TestFile"]);

  // access module's global object directly without importing any

  // symbols

  Assert.throws(

    () => ChromeUtils.import("resource://test/TestFile.jsm", null),

    TypeError

);

  // import symbols to our global object

  Assert.equal(typeof(Cu.import), "function");

  ({TestFile} = ChromeUtils.import("resource://test/TestFile.jsm"));

  Assert.equal(typeof(TestFile), "object");

  Assert.equal(typeof(TestFile.doTest), "function");

  // try on a new object

  var scope2 = {};

  ChromeUtils.import("resource://test/TestFile.jsm", scope2);

  Assert.equal(typeof(scope2.TestFile), "object");

  Assert.equal(typeof(scope2.TestFile.doTest), "function");

  Assert.ok(scope2.TestFile == scope.TestFile);

  // try on a new object using the resolved URL

  var res = Cc["@mozilla.org/network/protocol;1?name=resource"]

              .getService(Ci.nsIResProtocolHandler);

  var resURI = Cc["@mozilla.org/network/io-service;1"]

                 .getService(Ci.nsIIOService)

                 .newURI("resource://test/TestFile.jsm");

  dump("resURI: " + resURI + "\n");

  var filePath = res.resolveURI(resURI);

  var scope3 = {};

  Assert.throws(

    () => ChromeUtils.import(filePath, scope3),

    /SecurityError/, "Expecting file URI not to be imported"

);

  // make sure we throw when the second arg is bogus

  var didThrow = false;

  try {

      ChromeUtils.import("resource://test/TestFile.jsm", "wrong");

  } catch (ex) {

      print("exception (expected): " + ex);

      didThrow = true;

  Assert.ok(didThrow);

  // make sure we throw when the URL scheme is not known

  var scope4 = {};

  const wrongScheme = "data:text/javascript,var a = {a:1}";

  Assert.throws(

    () => ChromeUtils.import(wrongScheme, scope4),

    /SecurityError/, "Expecting data URI not to be imported"

);