netwerk/test/unit/test_uri_mutator.js

   1 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 "use strict";
   7
   8 function standardMutator() {
   9   return Cc["@mozilla.org/network/standard-url-mutator;1"].createInstance(
  10     Ci.nsIURIMutator
  11   );
  12 }
  13
  14 add_task(async function test_simple_setter_chaining() {
  15   let uri = standardMutator()
  16     .setSpec("http://example.com/")
  17     .setQuery("hello")
  18     .setRef("bla")
  19     .setScheme("ftp")
  20     .finalize();
  21   equal(uri.spec, "ftp://example.com/?hello#bla");
  22 });
  23
  24 add_task(async function test_qi_behaviour() {
  25   let uri = standardMutator()
  26     .setSpec("http://example.com/")
  27     .QueryInterface(Ci.nsIURI);
  28   equal(uri.spec, "http://example.com/");
  29
  30   Assert.throws(
  31     () => {
  32       uri = standardMutator().QueryInterface(Ci.nsIURI);
  33     },
  34     /NS_NOINTERFACE/,
  35     "mutator doesn't QI if it holds no URI"
  36   );
  37
  38   let mutator = standardMutator().setSpec("http://example.com/path");
  39   uri = mutator.QueryInterface(Ci.nsIURI);
  40   equal(uri.spec, "http://example.com/path");
  41   Assert.throws(
  42     () => {
  43       uri = mutator.QueryInterface(Ci.nsIURI);
  44     },
  45     /NS_NOINTERFACE/,
  46     "Second QueryInterface should fail"
  47   );
  48 });