The Tor Browser / file comparison
comparison: toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js
toolkit/components/thumbnails/test/browser_thumbnails_storage_migrate3.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 const URL = "http://mochi.test:8888/migration3"; | |
| 5 const URL2 = URL + "#2"; | |
| 6 const URL3 = URL + "#3"; | |
| 7 const THUMBNAIL_DIRECTORY = "thumbnails"; | |
| 8 const PREF_STORAGE_VERSION = "browser.pagethumbnails.storage_version"; | |
| 9 | |
| 10 let tmp = {}; | |
| 11 Cc["@mozilla.org/moz/jssubscript-loader;1"] | |
| 12 .getService(Ci.mozIJSSubScriptLoader) | |
| 13 .loadSubScript("resource://gre/modules/PageThumbs.jsm", tmp); | |
| 14 let {PageThumbsStorageMigrator} = tmp; | |
| 15 | |
| 16 XPCOMUtils.defineLazyServiceGetter(this, "gDirSvc", | |
| 17 "@mozilla.org/file/directory_service;1", "nsIProperties"); | |
| 18 | |
| 19 /** | |
| 20 * This test makes sure we correctly migrate to thumbnail storage version 3. | |
| 21 * This means copying existing thumbnails from the roaming to the local profile | |
| 22 * directory and should just apply to Linux. | |
| 23 */ | |
| 24 function runTests() { | |
| 25 let dirSvc = Cc["@mozilla.org/file/directory_service;1"] | |
| 26 .getService(Ci.nsIProperties); | |
| 27 | |
| 28 // Prepare a local profile directory. | |
| 29 let localProfile = FileUtils.getDir("ProfD", ["local-test"], true); | |
| 30 changeLocation("ProfLD", localProfile); | |
| 31 | |
| 32 let local = FileUtils.getDir("ProfLD", [THUMBNAIL_DIRECTORY], true); | |
| 33 let roaming = FileUtils.getDir("ProfD", [THUMBNAIL_DIRECTORY], true); | |
| 34 | |
| 35 // Set up some data in the roaming profile. | |
| 36 let name = PageThumbsStorage.getLeafNameForURL(URL); | |
| 37 let file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]); | |
| 38 writeDummyFile(file); | |
| 39 | |
| 40 name = PageThumbsStorage.getLeafNameForURL(URL2); | |
| 41 file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]); | |
| 42 writeDummyFile(file); | |
| 43 | |
| 44 name = PageThumbsStorage.getLeafNameForURL(URL3); | |
| 45 file = FileUtils.getFile("ProfD", [THUMBNAIL_DIRECTORY, name]); | |
| 46 writeDummyFile(file); | |
| 47 | |
| 48 // Pretend to have one of the thumbnails | |
| 49 // already in place at the new storage site. | |
| 50 name = PageThumbsStorage.getLeafNameForURL(URL3); | |
| 51 file = FileUtils.getFile("ProfLD", [THUMBNAIL_DIRECTORY, name]); | |
| 52 writeDummyFile(file, "no-overwrite-plz"); | |
| 53 | |
| 54 // Kick off thumbnail storage migration. | |
| 55 PageThumbsStorageMigrator.migrateToVersion3(localProfile.path); | |
| 56 ok(true, "migration finished"); | |
| 57 | |
| 58 // Wait until the first thumbnail was moved to its new location. | |
| 59 yield whenFileExists(URL); | |
| 60 ok(true, "first thumbnail moved"); | |
| 61 | |
| 62 // Wait for the second thumbnail to be moved as well. | |
| 63 yield whenFileExists(URL2); | |
| 64 ok(true, "second thumbnail moved"); | |
| 65 | |
| 66 yield whenFileRemoved(roaming); | |
| 67 ok(true, "roaming thumbnail directory removed"); | |
| 68 | |
| 69 // Check that our existing thumbnail wasn't overwritten. | |
| 70 is(getFileContents(file), "no-overwrite-plz", | |
| 71 "existing thumbnail was not overwritten"); | |
| 72 | |
| 73 // Sanity check: ensure that, until it is removed, deprecated | |
| 74 // function |getFileForURL| points to the same path as | |
| 75 // |getFilePathForURL|. | |
| 76 if ("getFileForURL" in PageThumbsStorage) { | |
| 77 let file = PageThumbsStorage.getFileForURL(URL); | |
| 78 is(file.path, PageThumbsStorage.getFilePathForURL(URL), | |
| 79 "Deprecated getFileForURL and getFilePathForURL return the same path"); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 function changeLocation(aLocation, aNewDir) { | |
| 84 let oldDir = gDirSvc.get(aLocation, Ci.nsILocalFile); | |
| 85 gDirSvc.undefine(aLocation); | |
| 86 gDirSvc.set(aLocation, aNewDir); | |
| 87 | |
| 88 registerCleanupFunction(function () { | |
| 89 gDirSvc.undefine(aLocation); | |
| 90 gDirSvc.set(aLocation, oldDir); | |
| 91 }); | |
| 92 } | |
| 93 | |
| 94 function writeDummyFile(aFile, aContents) { | |
| 95 let fos = FileUtils.openSafeFileOutputStream(aFile); | |
| 96 let data = aContents || "dummy"; | |
| 97 fos.write(data, data.length); | |
| 98 FileUtils.closeSafeFileOutputStream(fos); | |
| 99 } | |
| 100 | |
| 101 function getFileContents(aFile) { | |
| 102 let istream = Cc["@mozilla.org/network/file-input-stream;1"] | |
| 103 .createInstance(Ci.nsIFileInputStream); | |
| 104 istream.init(aFile, FileUtils.MODE_RDONLY, FileUtils.PERMS_FILE, 0); | |
| 105 return NetUtil.readInputStreamToString(istream, istream.available()); | |
| 106 } |
