Andreas Hocevar
843 lines
26 KiB
JavaScript
843 lines
26 KiB
JavaScript
// Copyright 2011 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.fsTest');
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goog.setTestOnly('goog.fsTest');
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goog.require('goog.array');
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goog.require('goog.async.Deferred');
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goog.require('goog.async.DeferredList');
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goog.require('goog.dom');
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goog.require('goog.events');
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goog.require('goog.fs');
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goog.require('goog.fs.DirectoryEntry');
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goog.require('goog.fs.Error');
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goog.require('goog.fs.FileReader');
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goog.require('goog.fs.FileSaver');
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goog.require('goog.string');
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goog.require('goog.testing.AsyncTestCase');
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goog.require('goog.testing.PropertyReplacer');
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goog.require('goog.testing.jsunit');
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var TEST_DIR = 'goog-fs-test-dir';
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var fsExists = goog.isDef(goog.global.requestFileSystem) ||
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goog.isDef(goog.global.webkitRequestFileSystem);
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var deferredFs = fsExists ? goog.fs.getTemporary() : null;
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var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall();
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asyncTestCase.stepTimeout = 5000;
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var stubs = new goog.testing.PropertyReplacer();
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function setUpPage() {
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if (!fsExists) {
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return;
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}
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loadTestDir().addErrback(function(err) {
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var msg;
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if (err.code == goog.fs.Error.ErrorCode.QUOTA_EXCEEDED) {
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msg = err.message + '. If you\'re using Chrome, you probably need to ' +
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'pass --unlimited-quota-for-files on the command line.';
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} else if (err.code == goog.fs.Error.ErrorCode.SECURITY &&
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window.location.href.match(/^file:/)) {
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msg = err.message + '. file:// URLs can\'t access the filesystem API.';
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} else {
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msg = err.message;
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}
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var body = goog.dom.getDocument().body;
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goog.dom.insertSiblingBefore(
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goog.dom.createDom('h1', {}, msg), body.childNodes[0]);
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});
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}
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function tearDown() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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addCallback(function(dir) { return dir.removeRecursively(); }).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('removing filesystem');
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}
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function testUnavailableTemporaryFilesystem() {
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stubs.set(goog.global, 'requestFileSystem', null);
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stubs.set(goog.global, 'webkitRequestFileSystem', null);
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asyncTestCase.waitForAsync('testUnavailableTemporaryFilesystem');
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goog.fs.getTemporary(1024).addErrback(function(e) {
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assertEquals('File API unsupported', e.message);
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continueTesting();
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});
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}
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function testUnavailablePersistentFilesystem() {
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stubs.set(goog.global, 'requestFileSystem', null);
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stubs.set(goog.global, 'webkitRequestFileSystem', null);
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asyncTestCase.waitForAsync('testUnavailablePersistentFilesystem');
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goog.fs.getPersistent(2048).addErrback(function(e) {
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assertEquals('File API unsupported', e.message);
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continueTesting();
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});
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}
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function testIsFile() {
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if (!fsExists) {
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return;
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(function(fileEntry) {
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assertFalse(fileEntry.isDirectory());
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assertTrue(fileEntry.isFile());
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}).addBoth(continueTesting);
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asyncTestCase.waitForAsync('testIsFile');
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}
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function testIsDirectory() {
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if (!fsExists) {
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return;
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}
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loadDirectory('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(function(fileEntry) {
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assertTrue(fileEntry.isDirectory());
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assertFalse(fileEntry.isFile());
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}).addBoth(continueTesting);
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asyncTestCase.waitForAsync('testIsDirectory');
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}
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function testReadFileUtf16() {
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if (!fsExists) {
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return;
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}
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var str = 'test content';
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var buf = new ArrayBuffer(str.length * 2);
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var arr = new Uint16Array(buf);
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for (var i = 0; i < str.length; i++) {
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arr[i] = str.charCodeAt(i);
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, arr.buffer)).
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addCallback(goog.partial(checkFileContentWithEncoding, str, 'UTF-16')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testReadFile');
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}
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function testReadFileUtf8() {
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if (!fsExists) {
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return;
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}
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var str = 'test content';
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var buf = new ArrayBuffer(str.length);
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var arr = new Uint8Array(buf);
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for (var i = 0; i < str.length; i++) {
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arr[i] = str.charCodeAt(i) & 0xff;
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, arr.buffer)).
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addCallback(goog.partial(checkFileContentWithEncoding, str, 'UTF-8')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testReadFileUtf8');
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}
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function testReadFileAsArrayBuffer() {
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if (!fsExists) {
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return;
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}
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var str = 'test content';
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var buf = new ArrayBuffer(str.length);
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var arr = new Uint8Array(buf);
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for (var i = 0; i < str.length; i++) {
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arr[i] = str.charCodeAt(i) & 0xff;
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, arr.buffer)).
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addCallback(goog.partial(checkFileContentAs, arr.buffer, 'ArrayBuffer',
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undefined)).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testReadFileAsArrayBuffer');
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}
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function testReadFileAsBinaryString() {
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if (!fsExists) {
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return;
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}
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var str = 'test content';
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var buf = new ArrayBuffer(str.length);
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var arr = new Uint8Array(buf);
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for (var i = 0; i < str.length; i++) {
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arr[i] = str.charCodeAt(i);
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, arr.buffer)).
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addCallback(goog.partial(checkFileContentAs, str, 'BinaryString',
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undefined)).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testReadFileAsArrayBuffer');
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}
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function testWriteFile() {
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if (!fsExists) {
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return;
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, 'test content')).
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addCallback(goog.partial(checkFileContent, 'test content')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testWriteFile');
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}
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function testRemoveFile() {
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if (!fsExists) {
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return;
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}
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, 'test content')).
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addCallback(function(file) { return file.remove(); }).
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addCallback(goog.partial(checkFileRemoved, 'test')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testRemoveFile');
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}
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function testMoveFile() {
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if (!fsExists) {
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return;
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}
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var deferredSubdir = loadDirectory(
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'subdir', goog.fs.DirectoryEntry.Behavior.CREATE);
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var deferredWrittenFile =
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(goog.partial(writeToFile, 'test content'));
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goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]).
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addCallback(splitArgs(function(dir, file) { return file.moveTo(dir); })).
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addCallback(goog.partial(checkFileContent, 'test content')).
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addCallback(goog.partial(checkFileRemoved, 'test')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testMoveFile');
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}
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function testCopyFile() {
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if (!fsExists) {
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return;
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}
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var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
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var deferredSubdir = loadDirectory(
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'subdir', goog.fs.DirectoryEntry.Behavior.CREATE);
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var deferredWrittenFile = deferredFile.branch().
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addCallback(goog.partial(writeToFile, 'test content'));
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goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]).
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addCallback(splitArgs(function(dir, file) { return file.copyTo(dir); })).
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addCallback(goog.partial(checkFileContent, 'test content')).
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awaitDeferred(deferredFile).
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addCallback(goog.partial(checkFileContent, 'test content')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testMoveFile');
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}
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function testAbortWrite() {
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// TODO(nicksantos): This test is broken in newer versions of chrome.
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// We don't know why yet.
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if (true) return;
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if (!fsExists) {
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return;
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}
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var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
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deferredFile.branch().
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addCallback(goog.partial(startWrite, 'test content')).
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addCallback(function(writer) { writer.abort(); }).
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addCallback(
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goog.partial(waitForEvent, goog.fs.FileSaver.EventType.ABORT)).
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awaitDeferred(deferredFile).
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addCallback(goog.partial(checkFileContent, '')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testWriteFile');
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}
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function testSeek() {
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if (!fsExists) {
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return;
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}
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var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
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deferredFile.branch().
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addCallback(goog.partial(writeToFile, 'test content')).
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addCallback(function(file) { return file.createWriter(); }).
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addCallback(
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goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
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addCallback(function(writer) {
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writer.seek(5);
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writer.write(goog.fs.getBlob('stuff and things'));
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}).
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addCallback(
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goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)).
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addCallback(
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goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
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awaitDeferred(deferredFile).
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addCallback(goog.partial(checkFileContent, 'test stuff and things')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testWriteFile');
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}
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function testTruncate() {
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if (!fsExists) {
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return;
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}
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var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE);
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deferredFile.branch().
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addCallback(goog.partial(writeToFile, 'test content')).
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addCallback(function(file) { return file.createWriter(); }).
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addCallback(
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goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
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addCallback(function(writer) { writer.truncate(4); }).
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addCallback(
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goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)).
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addCallback(
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goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
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awaitDeferred(deferredFile).
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addCallback(goog.partial(checkFileContent, 'test')).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testWriteFile');
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}
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function testGetLastModified() {
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if (!fsExists) {
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return;
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}
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var now = goog.now();
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loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE).
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addCallback(function(entry) {
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return entry.getLastModified();
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}).addCallback(function(date) {
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assertRoughlyEquals('Expected the last modified date to be within ' +
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'a few milliseconds of the test start time.',
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now, date.getTime(), 2000);
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}).addCallback(continueTesting);
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asyncTestCase.waitForAsync('testGetLastModified');
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}
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function testCreatePath() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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addCallback(function(testDir) {
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return testDir.createPath('foo');
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}).
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addCallback(function(fooDir) {
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assertEquals('/goog-fs-test-dir/foo', fooDir.getFullPath());
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return fooDir.createPath('bar/baz/bat');
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}).
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addCallback(function(batDir) {
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assertEquals('/goog-fs-test-dir/foo/bar/baz/bat', batDir.getFullPath());
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}).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testCreatePath');
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}
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function testCreateAbsolutePath() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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addCallback(function(testDir) {
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return testDir.createPath('/' + TEST_DIR + '/fee/fi/fo/fum');
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}).
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addCallback(function(absDir) {
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assertEquals('/goog-fs-test-dir/fee/fi/fo/fum', absDir.getFullPath());
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}).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testCreateAbsolutePath');
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}
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function testCreateRelativePath() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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addCallback(function(dir) {
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return dir.createPath('../' + TEST_DIR + '/dir');
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}).
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addCallback(function(relDir) {
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assertEquals('/goog-fs-test-dir/dir', relDir.getFullPath());
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return relDir.createPath('.');
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}).
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addCallback(function(sameDir) {
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assertEquals('/goog-fs-test-dir/dir', sameDir.getFullPath());
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return sameDir.createPath('./././.');
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}).
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addCallback(function(reallySameDir) {
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assertEquals('/goog-fs-test-dir/dir', reallySameDir.getFullPath());
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return reallySameDir.createPath('./new/../..//dir/./new////.');
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}).
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addCallback(function(newDir) {
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assertEquals('/goog-fs-test-dir/dir/new', newDir.getFullPath());
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}).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testCreateRelativePath');
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}
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function testCreateBadPath() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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awaitDeferred(loadTestDir()).
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addCallback(function(dir) {
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// There is only one layer of parent directory from the test dir.
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return dir.createPath('../../../../' + TEST_DIR + '/baz/bat');
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}).
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addCallback(function(batDir) {
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assertEquals('The parent directory of the root directory should ' +
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'point back to the root directory.',
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'/goog-fs-test-dir/baz/bat', batDir.getFullPath());
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}).
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awaitDeferred(loadTestDir()).
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addCallback(function(dir) {
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// An empty path should return the same as the input directory.
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return dir.createPath('');
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}).
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addCallback(function(testDir) {
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assertEquals('/goog-fs-test-dir', testDir.getFullPath());
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}).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testCreateBadPath');
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}
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function testGetAbsolutePaths() {
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if (!fsExists) {
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return;
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}
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loadFile('foo', goog.fs.DirectoryEntry.Behavior.CREATE).
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awaitDeferred(loadTestDir()).
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addCallback(function(testDir) {
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return testDir.getDirectory('/');
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}).
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addCallback(function(root) {
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assertEquals('/', root.getFullPath());
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return root.getDirectory('/' + TEST_DIR);
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}).
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addCallback(function(testDir) {
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assertEquals('/goog-fs-test-dir', testDir.getFullPath());
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return testDir.getDirectory('//' + TEST_DIR + '////');
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}).
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addCallback(function(testDir) {
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assertEquals('/goog-fs-test-dir', testDir.getFullPath());
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return testDir.getDirectory('////');
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}).
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addCallback(function(testDir) {
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assertEquals('/', testDir.getFullPath());
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}).
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addBoth(continueTesting);
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asyncTestCase.waitForAsync('testGetAbsolutePaths');
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}
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function continueTesting(result) {
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asyncTestCase.continueTesting();
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if (result instanceof Error) {
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throw result;
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}
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}
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function testListEmptyDirectory() {
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if (!fsExists) {
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return;
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}
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loadTestDir().
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addCallback(function(dir) { return dir.listDirectory(); }).
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addCallback(function(entries) { assertArrayEquals([], entries); }).
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addCallback(continueTesting);
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asyncTestCase.waitForAsync('testListEmptyDirectory');
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}
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function testListDirectory() {
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if (!fsExists) {
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return;
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}
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goog.async.Deferred.succeed().
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// Create the test directory and test entries.
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awaitDeferred(
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loadDirectory('testDir', goog.fs.DirectoryEntry.Behavior.CREATE)).
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awaitDeferred(
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loadFile('testFile', goog.fs.DirectoryEntry.Behavior.CREATE)).
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awaitDeferred(loadTestDir()).
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// Verify the contents of the directory listing.
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addCallback(function(testDir) { return testDir.listDirectory(); }).
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addCallback(function(entries) {
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assertEquals(2, entries.length);
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var dir = goog.array.find(entries, function(entry) {
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return entry.getName() == 'testDir';
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});
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assertNotNull(dir);
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assertTrue(dir.isDirectory());
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var file = goog.array.find(entries, function(entry) {
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return entry.getName() == 'testFile';
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});
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assertNotNull(file);
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assertTrue(file.isFile());
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}).
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addCallback(continueTesting);
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asyncTestCase.waitForAsync('testListDirectory');
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}
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function testListBigDirectory() {
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// TODO(nicksantos): This test is broken in newer versions of chrome.
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// We don't know why yet.
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|
if (true) return;
|
|
|
|
if (!fsExists) {
|
|
return;
|
|
}
|
|
|
|
function getFileName(i) {
|
|
return 'file' + goog.string.padNumber(i, String(count).length);
|
|
}
|
|
|
|
// NOTE: This was intended to verify that the results from repeated
|
|
// DirectoryReader.readEntries() callbacks are appropriately concatenated.
|
|
// In current versions of Chrome (March 2011), all results are returned in the
|
|
// first callback regardless of directory size. The count can be increased in
|
|
// the future to test batched result lists once they are implemented.
|
|
var count = 100;
|
|
|
|
var expectedNames = [];
|
|
|
|
var def = goog.async.Deferred.succeed();
|
|
for (var i = 0; i < count; i++) {
|
|
var name = getFileName(i);
|
|
expectedNames.push(name);
|
|
|
|
def.awaitDeferred(
|
|
loadFile(name, goog.fs.DirectoryEntry.Behavior.CREATE));
|
|
}
|
|
|
|
def.awaitDeferred(loadTestDir()).
|
|
addCallback(function(testDir) { return testDir.listDirectory(); }).
|
|
addCallback(function(entries) {
|
|
assertEquals(count, entries.length);
|
|
|
|
assertSameElements(expectedNames,
|
|
goog.array.map(entries, function(entry) {
|
|
return entry.getName();
|
|
}));
|
|
assertTrue(goog.array.every(entries, function(entry) {
|
|
return entry.isFile();
|
|
}));
|
|
}).
|
|
addCallback(continueTesting);
|
|
|
|
asyncTestCase.waitForAsync('testListBigDirectory');
|
|
}
|
|
|
|
|
|
function testSliceBlob() {
|
|
// A mock blob object whose slice returns the parameters it was called with.
|
|
var blob = {
|
|
'size': 10,
|
|
'slice': function(start, end) {
|
|
return [start, end];
|
|
}
|
|
};
|
|
|
|
// Simulate Firefox 13 that implements the new slice.
|
|
var tmpStubs = new goog.testing.PropertyReplacer();
|
|
tmpStubs.set(goog.userAgent, 'GECKO', true);
|
|
tmpStubs.set(goog.userAgent, 'WEBKIT', false);
|
|
tmpStubs.set(goog.userAgent, 'IE', false);
|
|
tmpStubs.set(goog.userAgent, 'VERSION', '13.0');
|
|
tmpStubs.set(goog.userAgent, 'isVersionOrHigherCache_', {});
|
|
|
|
// Expect slice to be called with no change to parameters
|
|
assertArrayEquals([2, 10], goog.fs.sliceBlob(blob, 2));
|
|
assertArrayEquals([-2, 10], goog.fs.sliceBlob(blob, -2));
|
|
assertArrayEquals([3, 6], goog.fs.sliceBlob(blob, 3, 6));
|
|
assertArrayEquals([3, -6], goog.fs.sliceBlob(blob, 3, -6));
|
|
|
|
// Simulate IE 10 that implements the new slice.
|
|
var tmpStubs = new goog.testing.PropertyReplacer();
|
|
tmpStubs.set(goog.userAgent, 'GECKO', false);
|
|
tmpStubs.set(goog.userAgent, 'WEBKIT', false);
|
|
tmpStubs.set(goog.userAgent, 'IE', true);
|
|
tmpStubs.set(goog.userAgent, 'VERSION', '10.0');
|
|
tmpStubs.set(goog.userAgent, 'isVersionOrHigherCache_', {});
|
|
|
|
// Expect slice to be called with no change to parameters
|
|
assertArrayEquals([2, 10], goog.fs.sliceBlob(blob, 2));
|
|
assertArrayEquals([-2, 10], goog.fs.sliceBlob(blob, -2));
|
|
assertArrayEquals([3, 6], goog.fs.sliceBlob(blob, 3, 6));
|
|
assertArrayEquals([3, -6], goog.fs.sliceBlob(blob, 3, -6));
|
|
|
|
// Simulate Firefox 4 that implements the old slice.
|
|
tmpStubs.set(goog.userAgent, 'GECKO', true);
|
|
tmpStubs.set(goog.userAgent, 'WEBKIT', false);
|
|
tmpStubs.set(goog.userAgent, 'IE', false);
|
|
tmpStubs.set(goog.userAgent, 'VERSION', '2.0');
|
|
tmpStubs.set(goog.userAgent, 'isVersionOrHigherCache_', {});
|
|
|
|
// Expect slice to be called with transformed parameters.
|
|
assertArrayEquals([2, 8], goog.fs.sliceBlob(blob, 2));
|
|
assertArrayEquals([8, 2], goog.fs.sliceBlob(blob, -2));
|
|
assertArrayEquals([3, 3], goog.fs.sliceBlob(blob, 3, 6));
|
|
assertArrayEquals([3, 1], goog.fs.sliceBlob(blob, 3, -6));
|
|
|
|
// Simulate Firefox 5 that implements mozSlice (new spec).
|
|
delete blob.slice;
|
|
blob.mozSlice = function(start, end) {
|
|
return ['moz', start, end];
|
|
};
|
|
tmpStubs.set(goog.userAgent, 'GECKO', true);
|
|
tmpStubs.set(goog.userAgent, 'WEBKIT', false);
|
|
tmpStubs.set(goog.userAgent, 'IE', false);
|
|
tmpStubs.set(goog.userAgent, 'VERSION', '5.0');
|
|
tmpStubs.set(goog.userAgent, 'isVersionOrHigherCache_', {});
|
|
|
|
// Expect mozSlice to be called with no change to parameters.
|
|
assertArrayEquals(['moz', 2, 10], goog.fs.sliceBlob(blob, 2));
|
|
assertArrayEquals(['moz', -2, 10], goog.fs.sliceBlob(blob, -2));
|
|
assertArrayEquals(['moz', 3, 6], goog.fs.sliceBlob(blob, 3, 6));
|
|
assertArrayEquals(['moz', 3, -6], goog.fs.sliceBlob(blob, 3, -6));
|
|
|
|
// Simulate Chrome 20 that implements webkitSlice (new spec).
|
|
delete blob.mozSlice;
|
|
blob.webkitSlice = function(start, end) {
|
|
return ['webkit', start, end];
|
|
};
|
|
tmpStubs.set(goog.userAgent, 'GECKO', false);
|
|
tmpStubs.set(goog.userAgent, 'WEBKIT', true);
|
|
tmpStubs.set(goog.userAgent, 'IE', false);
|
|
tmpStubs.set(goog.userAgent, 'VERSION', '536.10');
|
|
tmpStubs.set(goog.userAgent, 'isVersionOrHigherCache_', {});
|
|
|
|
// Expect webkitSlice to be called with no change to parameters.
|
|
assertArrayEquals(['webkit', 2, 10], goog.fs.sliceBlob(blob, 2));
|
|
assertArrayEquals(['webkit', -2, 10], goog.fs.sliceBlob(blob, -2));
|
|
assertArrayEquals(['webkit', 3, 6], goog.fs.sliceBlob(blob, 3, 6));
|
|
assertArrayEquals(['webkit', 3, -6], goog.fs.sliceBlob(blob, 3, -6));
|
|
|
|
tmpStubs.reset();
|
|
}
|
|
|
|
|
|
function testBrowserSupportsObjectUrls() {
|
|
stubs.remove(goog.global, 'URL');
|
|
stubs.remove(goog.global, 'webkitURL');
|
|
stubs.remove(goog.global, 'createObjectURL');
|
|
|
|
assertFalse(goog.fs.browserSupportsObjectUrls());
|
|
try {
|
|
goog.fs.createObjectUrl();
|
|
fail();
|
|
} catch (e) {
|
|
assertEquals('This browser doesn\'t seem to support blob URLs', e.message);
|
|
}
|
|
|
|
var objectUrl = {};
|
|
function createObjectURL() { return objectUrl; }
|
|
stubs.set(goog.global, 'createObjectURL', createObjectURL);
|
|
|
|
assertTrue(goog.fs.browserSupportsObjectUrls());
|
|
assertEquals(objectUrl, goog.fs.createObjectUrl());
|
|
|
|
stubs.reset();
|
|
}
|
|
|
|
|
|
function testGetBlobThrowsError() {
|
|
stubs.remove(goog.global, 'BlobBuilder');
|
|
stubs.remove(goog.global, 'WebKitBlobBuilder');
|
|
stubs.remove(goog.global, 'Blob');
|
|
|
|
try {
|
|
goog.fs.getBlob();
|
|
fail();
|
|
} catch (e) {
|
|
assertEquals('This browser doesn\'t seem to support creating Blobs',
|
|
e.message);
|
|
}
|
|
|
|
stubs.reset();
|
|
}
|
|
|
|
|
|
function testGetBlobWithProperties() {
|
|
// Skip test if browser doesn't support Blob API.
|
|
if (typeof(goog.global.Blob) != 'function') {
|
|
return;
|
|
}
|
|
|
|
var blob = goog.fs.getBlobWithProperties(['test'], 'text/test', 'native');
|
|
assertEquals('text/test', blob.type);
|
|
}
|
|
|
|
|
|
function testGetBlobWithPropertiesThrowsError() {
|
|
stubs.remove(goog.global, 'BlobBuilder');
|
|
stubs.remove(goog.global, 'WebKitBlobBuilder');
|
|
stubs.remove(goog.global, 'Blob');
|
|
|
|
try {
|
|
goog.fs.getBlobWithProperties();
|
|
fail();
|
|
} catch (e) {
|
|
assertEquals('This browser doesn\'t seem to support creating Blobs',
|
|
e.message);
|
|
}
|
|
|
|
stubs.reset();
|
|
}
|
|
|
|
|
|
function testGetBlobWithPropertiesUsingBlobBuilder() {
|
|
function BlobBuilder() {
|
|
this.parts = [];
|
|
this.append = function(value, endings) {
|
|
this.parts.push({value: value, endings: endings});
|
|
};
|
|
this.getBlob = function(type) {
|
|
return {type: type, builder: this};
|
|
};
|
|
}
|
|
stubs.set(goog.global, 'BlobBuilder', BlobBuilder);
|
|
|
|
var blob = goog.fs.getBlobWithProperties(['test'], 'text/test', 'native');
|
|
assertEquals('text/test', blob.type);
|
|
assertEquals('test', blob.builder.parts[0].value);
|
|
assertEquals('native', blob.builder.parts[0].endings);
|
|
|
|
stubs.reset();
|
|
}
|
|
|
|
|
|
function loadTestDir() {
|
|
return deferredFs.branch().addCallback(function(fs) {
|
|
return fs.getRoot().getDirectory(
|
|
TEST_DIR, goog.fs.DirectoryEntry.Behavior.CREATE);
|
|
});
|
|
}
|
|
|
|
function loadFile(filename, behavior) {
|
|
return loadTestDir().addCallback(function(dir) {
|
|
return dir.getFile(filename, behavior);
|
|
});
|
|
}
|
|
|
|
function loadDirectory(filename, behavior) {
|
|
return loadTestDir().addCallback(function(dir) {
|
|
return dir.getDirectory(filename, behavior);
|
|
});
|
|
}
|
|
|
|
function startWrite(content, file) {
|
|
return file.createWriter().
|
|
addCallback(
|
|
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)).
|
|
addCallback(function(writer) {
|
|
writer.write(goog.fs.getBlob(content));
|
|
return writer;
|
|
}).
|
|
addCallback(
|
|
goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING));
|
|
}
|
|
|
|
function waitForEvent(type, target) {
|
|
var d = new goog.async.Deferred();
|
|
goog.events.listenOnce(target, type, d.callback, false, d);
|
|
return d;
|
|
}
|
|
|
|
function writeToFile(content, file) {
|
|
return startWrite(content, file).
|
|
addCallback(
|
|
goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)).
|
|
addCallback(function() { return file; });
|
|
}
|
|
|
|
function checkFileContent(content, file) {
|
|
return checkFileContentAs(content, 'Text', undefined, file);
|
|
}
|
|
|
|
function checkFileContentWithEncoding(content, encoding, file) {
|
|
checkFileContentAs(content, 'Text', encoding, file);
|
|
}
|
|
|
|
function checkFileContentAs(content, filetype, encoding, file) {
|
|
return file.file().
|
|
addCallback(function(blob) {
|
|
return goog.fs.FileReader['readAs' + filetype](blob, encoding);
|
|
}).
|
|
addCallback(goog.partial(checkEquals, content));
|
|
}
|
|
|
|
function checkEquals(a, b) {
|
|
if (a instanceof ArrayBuffer && b instanceof ArrayBuffer) {
|
|
assertEquals(a.byteLength, b.byteLength);
|
|
var viewA = new DataView(a);
|
|
var viewB = new DataView(b);
|
|
for (var i = 0; i < a.byteLength; i++) {
|
|
assertEquals(viewA.getUint8(i), viewB.getUint8(i));
|
|
}
|
|
} else {
|
|
assertEquals(a, b);
|
|
}
|
|
}
|
|
|
|
function checkFileRemoved(filename) {
|
|
return loadFile(filename).
|
|
addCallback(goog.partial(fail, 'expected file to be removed')).
|
|
addErrback(function(err) {
|
|
assertEquals(err.code, goog.fs.Error.ErrorCode.NOT_FOUND);
|
|
return true; // Go back to callback path
|
|
});
|
|
}
|
|
|
|
function checkReadyState(expectedState, writer) {
|
|
assertEquals(expectedState, writer.getReadyState());
|
|
}
|
|
|
|
function splitArgs(fn) {
|
|
return function(args) { return fn(args[0], args[1]); };
|
|
}
|