forked from mirrors/gecko-dev
b5bddc679c
This leaves the usages in FileUtils tests, which will be removed when FileUtils.getFile is removed in bug 920187. Differential Revision: https://phabricator.services.mozilla.com/D155890
103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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const URL = "http://mochi.test:8888/migration3";
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const URL2 = URL + "#2";
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const URL3 = URL + "#3";
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const THUMBNAIL_DIRECTORY = "thumbnails";
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const PREF_STORAGE_VERSION = "browser.pagethumbnails.storage_version";
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var tmp = Cu.Sandbox(window, { wantGlobalProperties: ["ChromeUtils"] });
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Services.scriptloader.loadSubScript(
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"resource://gre/modules/PageThumbs.jsm",
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tmp
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);
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var { PageThumbsStorageMigrator } = tmp;
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/**
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* This test makes sure we correctly migrate to thumbnail storage version 3.
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* This means copying existing thumbnails from the roaming to the local profile
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* directory and should just apply to Linux.
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*/
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async function runTests() {
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// Prepare a local profile directory.
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let localProfile = await IOUtils.getDirectory(
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PathUtils.join(PathUtils.profileDir, "local-test")
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);
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changeLocation("ProfLD", localProfile);
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let roaming = await IOUtils.getDirectory(
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PathUtils.join(PathUtils.profileDir, THUMBNAIL_DIRECTORY)
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);
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// Set up some data in the roaming profile.
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let name = PageThumbsStorageService.getLeafNameForURL(URL);
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let file = await IOUtils.getFile(
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PathUtils.profileDir,
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THUMBNAIL_DIRECTORY,
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name
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);
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writeDummyFile(file);
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name = PageThumbsStorageService.getLeafNameForURL(URL2);
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file = await IOUtils.getFile(PathUtils.profileDir, THUMBNAIL_DIRECTORY, name);
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writeDummyFile(file);
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name = PageThumbsStorageService.getLeafNameForURL(URL3);
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file = await IOUtils.getFile(PathUtils.profileDir, THUMBNAIL_DIRECTORY, name);
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writeDummyFile(file);
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// Pretend to have one of the thumbnails
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// already in place at the new storage site.
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name = PageThumbsStorageService.getLeafNameForURL(URL3);
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file = await IOUtils.getFile(PathUtils.profileDir, THUMBNAIL_DIRECTORY, name);
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writeDummyFile(file, "no-overwrite-plz");
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// Kick off thumbnail storage migration.
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PageThumbsStorageMigrator.migrateToVersion3(localProfile.path);
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ok(true, "migration finished");
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// Wait until the first thumbnail was moved to its new location.
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await whenFileExists(URL);
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ok(true, "first thumbnail moved");
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// Wait for the second thumbnail to be moved as well.
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await whenFileExists(URL2);
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ok(true, "second thumbnail moved");
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await whenFileRemoved(roaming);
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ok(true, "roaming thumbnail directory removed");
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// Check that our existing thumbnail wasn't overwritten.
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is(
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getFileContents(file),
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"no-overwrite-plz",
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"existing thumbnail was not overwritten"
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);
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}
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function changeLocation(aLocation, aNewDir) {
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let oldDir = Services.dirsvc.get(aLocation, Ci.nsIFile);
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Services.dirsvc.undefine(aLocation);
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Services.dirsvc.set(aLocation, aNewDir);
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registerCleanupFunction(function () {
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Services.dirsvc.undefine(aLocation);
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Services.dirsvc.set(aLocation, oldDir);
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});
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}
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function writeDummyFile(aFile, aContents) {
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let fos = FileUtils.openSafeFileOutputStream(aFile);
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let data = aContents || "dummy";
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fos.write(data, data.length);
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FileUtils.closeSafeFileOutputStream(fos);
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}
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function getFileContents(aFile) {
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let istream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
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Ci.nsIFileInputStream
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);
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istream.init(aFile, FileUtils.MODE_RDONLY, FileUtils.PERMS_FILE, 0);
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return NetUtil.readInputStreamToString(istream, istream.available());
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}
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