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08997000eb
Backed out changeset 647025383676 (bug1202902) Backed out changeset d70c7fe532c6 (bug1202902)
89 lines
3.2 KiB
JavaScript
89 lines
3.2 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Provides infrastructure for automated download components tests.
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*/
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"use strict";
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////////////////////////////////////////////////////////////////////////////////
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//// Globals
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var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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var Cr = Components.results;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "DownloadPaths",
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"resource://gre/modules/DownloadPaths.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Downloads",
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"resource://gre/modules/Downloads.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
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"resource://gre/modules/FileUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "HttpServer",
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"resource://testing-common/httpd.js");
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XPCOMUtils.defineLazyModuleGetter(this, "OS",
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"resource://gre/modules/osfile.jsm");
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const TEST_TARGET_FILE_NAME_PDF = "test-download.pdf";
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////////////////////////////////////////////////////////////////////////////////
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//// Support functions
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// While the previous test file should have deleted all the temporary files it
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// used, on Windows these might still be pending deletion on the physical file
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// system. Thus, start from a new base number every time, to make a collision
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// with a file that is still pending deletion highly unlikely.
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var gFileCounter = Math.floor(Math.random() * 1000000);
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/**
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* Returns a reference to a temporary file, that is guaranteed not to exist, and
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* to have never been created before.
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*
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* @param aLeafName
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* Suggested leaf name for the file to be created.
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*
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* @return nsIFile pointing to a non-existent file in a temporary directory.
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*
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* @note It is not enough to delete the file if it exists, or to delete the file
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* after calling nsIFile.createUnique, because on Windows the delete
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* operation in the file system may still be pending, preventing a new
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* file with the same name to be created.
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*/
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function getTempFile(aLeafName)
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{
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// Prepend a serial number to the extension in the suggested leaf name.
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let [base, ext] = DownloadPaths.splitBaseNameAndExtension(aLeafName);
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let leafName = base + "-" + gFileCounter + ext;
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gFileCounter++;
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// Get a file reference under the temporary directory for this test file.
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let file = FileUtils.getFile("TmpD", [leafName]);
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ok(!file.exists(), "Temp file does not exist");
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registerCleanupFunction(function () {
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if (file.exists()) {
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file.remove(false);
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}
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});
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return file;
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}
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function promiseBrowserLoaded(browser) {
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return new Promise(resolve => {
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browser.addEventListener("load", function onLoad(event) {
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if (event.target == browser.contentDocument) {
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browser.removeEventListener("load", onLoad, true);
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resolve();
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}
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}, true);
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});
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}
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