The Tor Browser: uriloader/exthandler/tests/unit/head_handlerService.js@6474c204b198 (annotated)

uriloader/exthandler/tests/unit/head_handlerService.js@6474c204b198 (annotated)

uriloader/exthandler/tests/unit/head_handlerService.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* 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/. */
 // Inspired by the Places infrastructure in head_bookmarks.js
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cr = Components.results;
 const Cu = Components.utils;
 var HandlerServiceTest = {
   //**************************************************************************//
   // Convenience Getters
   __dirSvc: null,
   get _dirSvc() {
     if (!this.__dirSvc)
       this.__dirSvc = Cc["@mozilla.org/file/directory_service;1"].
                       getService(Ci.nsIProperties).
                       QueryInterface(Ci.nsIDirectoryService);
     return this.__dirSvc;
   },
   __consoleSvc: null,
   get _consoleSvc() {
     if (!this.__consoleSvc)
       this.__consoleSvc = Cc["@mozilla.org/consoleservice;1"].
                           getService(Ci.nsIConsoleService);
     return this.__consoleSvc;
   },
   //**************************************************************************//
   // nsISupports
   interfaces: [Ci.nsIDirectoryServiceProvider, Ci.nsISupports],
   QueryInterface: function HandlerServiceTest_QueryInterface(iid) {
     if (!this.interfaces.some( function(v) { return iid.equals(v) } ))
       throw Cr.NS_ERROR_NO_INTERFACE;
     return this;
   },
   //**************************************************************************//
   // Initialization & Destruction
   init: function HandlerServiceTest_init() {
     // Register ourselves as a directory provider for the datasource file
     // if there isn't one registered already.
     try {
       this._dirSvc.get("UMimTyp", Ci.nsIFile);
     } catch (ex) {
       this._dirSvc.registerProvider(this);
       this._providerRegistered = true;
     }
     // Delete the existing datasource file, if any, so we start from scratch.
     // We also do this after finishing the tests, so there shouldn't be an old
     // file lying around, but just in case we delete it here as well.
     this._deleteDatasourceFile();
     // Turn on logging so we can troubleshoot problems with the tests.
     var prefBranch = Cc["@mozilla.org/preferences-service;1"].
                      getService(Ci.nsIPrefBranch);
     prefBranch.setBoolPref("browser.contentHandling.log", true);
   },
   destroy: function HandlerServiceTest_destroy() {
     // Delete the existing datasource file, if any, so we don't leave test files
     // lying around and we start from scratch the next time.
     this._deleteDatasourceFile();
     // Unregister the directory service provider
     if (this._providerRegistered)
       this._dirSvc.unregisterProvider(this);
   },
   //**************************************************************************//
   // nsIDirectoryServiceProvider
   getFile: function HandlerServiceTest_getFile(property, persistent) {
     this.log("getFile: requesting " + property);
     persistent.value = true;
     if (property == "UMimTyp") {
       var datasourceFile = this._dirSvc.get("CurProcD", Ci.nsIFile);
       datasourceFile.append("mimeTypes.rdf");
       return datasourceFile;
     }
     // This causes extraneous errors to show up in the log when the directory
     // service asks us first for CurProcD and MozBinD.  I wish there was a way
     // to suppress those errors.
     this.log("the following NS_ERROR_FAILURE exception in " +
              "nsIDirectoryServiceProvider::getFile is expected, " +
              "as we don't provide the '" + property + "' file");
     throw Cr.NS_ERROR_FAILURE;
   },
   //**************************************************************************//
   // Utilities
   /**
    * Delete the datasource file.
    */
   _deleteDatasourceFile: function HandlerServiceTest__deleteDatasourceFile() {
     var file = this._dirSvc.get("UMimTyp", Ci.nsIFile);
     if (file.exists())
       file.remove(false);
   },
   /**
    * Get the contents of the datasource as a serialized string.  Useful for
    * debugging problems with test failures, i.e.:
    *
    * HandlerServiceTest.log(HandlerServiceTest.getDatasourceContents());
    *
    * @returns {string} the serialized datasource
    */
   getDatasourceContents: function HandlerServiceTest_getDatasourceContents() {
     var rdf = Cc["@mozilla.org/rdf/rdf-service;1"].getService(Ci.nsIRDFService);
     var ioService = Cc["@mozilla.org/network/io-service;1"].
                     getService(Ci.nsIIOService);
     var fileHandler = ioService.getProtocolHandler("file").
                       QueryInterface(Ci.nsIFileProtocolHandler);
     var fileURL = fileHandler.getURLSpecFromFile(this.getDatasourceFile());
     var ds = rdf.GetDataSourceBlocking(fileURL);
     var outputStream = {
       data: "",
       close: function() {},
       flush: function() {},
       write: function (buffer,count) {
         this.data += buffer;
         return count;
       },
       writeFrom: function (stream,count) {},
       isNonBlocking: false
     };
     ds.QueryInterface(Components.interfaces.nsIRDFXMLSource);
     ds.Serialize(outputStream);
     return outputStream.data;
   },
   /**
    * Log a message to the console and the test log.
    */
   log: function HandlerServiceTest_log(message) {
     message = "*** HandlerServiceTest: " + message;
     this._consoleSvc.logStringMessage(message);
     print(message);
   }
 };
 HandlerServiceTest.init();