gecko/toolkit/components/downloads/test/unit/head_download_manager.js

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Download Manager Test Code.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

// This file tests the download manager backend

do_import_script("netwerk/test/httpserver/httpd.js");

function createURI(aObj)
{
  var ios = Cc["@mozilla.org/network/io-service;1"].
            getService(Ci.nsIIOService);
  return (aObj instanceof Ci.nsIFile) ? ios.newFileURI(aObj) :
                                        ios.newURI(aObj, null, null);
}

var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
             getService(Ci.nsIProperties);
var profileDir = null;
try {
  profileDir = dirSvc.get("ProfD", Ci.nsIFile);
} catch (e) { }
if (!profileDir) {
  // Register our own provider for the profile directory.
  // It will simply return the current directory.
  var provider = {
    getFile: function(prop, persistent) {
      persistent.value = true;
      if (prop == "ProfD") {
        return dirSvc.get("CurProcD", Ci.nsILocalFile);
      } else if (prop == "DLoads") {
        var file = dirSvc.get("CurProcD", Ci.nsILocalFile);
        file.append("downloads.rdf");
        return file;
      }
      print("*** Throwing trying to get " + prop);
      throw Cr.NS_ERROR_FAILURE;
    },
    QueryInterface: function(iid) {
      if (iid.equals(Ci.nsIDirectoryProvider) ||
          iid.equals(Ci.nsISupports)) {
        return this;
      }
      throw Cr.NS_ERROR_NO_INTERFACE;
    }
  };
  dirSvc.QueryInterface(Ci.nsIDirectoryService).registerProvider(provider);
}


/**
 * Imports a download test file to use.  Works with rdf and sqlite files.
 *
 * @param aFName
 *        The name of the file to import.  This file should be located in the
 *        same directory as this file.
 */
function importDownloadsFile(aFName)
{
  var file = do_get_file("toolkit/components/downloads/test/unit/" + aFName);
  var newFile = dirSvc.get("ProfD", Ci.nsIFile);
  if (/\.rdf$/i.test(aFName))
    file.copyTo(newFile, "downloads.rdf");
  else if (/\.sqlite$/i.test(aFName))
    file.copyTo(newFile, "downloads.sqlite");
  else
    do_throw("Unexpected filename!");
}

function cleanup()
{
  // removing rdf
  var rdfFile = dirSvc.get("DLoads", Ci.nsIFile);
  if (rdfFile.exists()) rdfFile.remove(true);
  
  // removing database
  var dbFile = dirSvc.get("ProfD", Ci.nsIFile);
  dbFile.append("downloads.sqlite");
  if (dbFile.exists())
    try { dbFile.remove(true); } catch(e) { /* stupid windows box */ }

  // removing downloaded file
  var destFile = dirSvc.get("ProfD", Ci.nsIFile);
  destFile.append("download.result");
  if (destFile.exists()) destFile.remove(true);
}

var gDownloadCount = 0;
/**
 * Adds a download to the DM, and starts it.
 * @param aResultFileName (optional): the leafName of the download's target
 *                                    file.
 */
function addDownload(aResultFileName)
{
  const nsIWBP = Ci.nsIWebBrowserPersist;
  var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
                .createInstance(Ci.nsIWebBrowserPersist);
  persist.persistFlags = nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES |
                         nsIWBP.PERSIST_FLAGS_BYPASS_CACHE |
                         nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;

  var destFile = dirSvc.get("ProfD", Ci.nsIFile);
  destFile.append(aResultFileName || "download.result");
  var srcFile = dirSvc.get("ProfD", Ci.nsIFile);
  srcFile.append("LICENSE");

  // it is part of the active downloads the moment addDownload is called
  gDownloadCount++;

  var dl = dm.addDownload(nsIDownloadManager.DOWNLOAD_TYPE_DOWNLOAD,
                          createURI("http://localhost:4444/LICENSE"),
                          createURI(destFile), null, null,
                          Math.round(Date.now() * 1000), null, persist);

  // This will throw if it isn't found, and that would mean test failure, so no
  // try catch block
  var test = dm.getDownload(dl.id);

  persist.progressListener = dl.QueryInterface(Ci.nsIWebProgressListener);
  persist.saveURI(dl.source, null, null, null, null, dl.targetFile);

  return dl;
}

function getDownloadListener()
{
  return {
    onDownloadStateChange: function(aState, aDownload)
    {
      if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_FINISHED)
        gDownloadCount--;

      if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_CANCELED ||
          aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_FAILED) {
          gDownloadCount--;
      }
      
      if (gDownloadCount == 0)
        httpserv.stop();
    },
    onStateChange: function(a, b, c, d, e) { },
    onProgressChange: function(a, b, c, d, e, f, g) { },
    onSecurityChange: function(a, b, c, d) { }
  };
}

cleanup();