| // Copyright 2011 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.testing.fs.integrationTest'); |
| goog.setTestOnly('goog.testing.fs.integrationTest'); |
| |
| goog.require('goog.async.Deferred'); |
| goog.require('goog.async.DeferredList'); |
| goog.require('goog.events'); |
| goog.require('goog.fs'); |
| goog.require('goog.fs.DirectoryEntry'); |
| goog.require('goog.fs.Error'); |
| goog.require('goog.fs.FileSaver'); |
| goog.require('goog.testing.AsyncTestCase'); |
| goog.require('goog.testing.PropertyReplacer'); |
| goog.require('goog.testing.fs'); |
| goog.require('goog.testing.jsunit'); |
| |
| var TEST_DIR = 'goog-fs-test-dir'; |
| |
| var deferredFs = goog.testing.fs.getTemporary(); |
| var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall(); |
| |
| function setUpPage() { |
| goog.testing.fs.install(new goog.testing.PropertyReplacer()); |
| } |
| |
| function tearDown() { |
| loadTestDir(). |
| addCallback(function(dir) { return dir.removeRecursively(); }). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('removing filesystem'); |
| } |
| |
| function testWriteFile() { |
| loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE). |
| addCallback(goog.partial(writeToFile, 'test content')). |
| addCallback(goog.partial(checkFileContent, 'test content')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testWriteFile'); |
| } |
| |
| function testRemoveFile() { |
| loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE). |
| addCallback(goog.partial(writeToFile, 'test content')). |
| addCallback(function(fileEntry) { return fileEntry.remove(); }). |
| addCallback(goog.partial(checkFileRemoved, 'test')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testRemoveFile'); |
| } |
| |
| function testMoveFile() { |
| var deferredSubdir = loadDirectory( |
| 'subdir', goog.fs.DirectoryEntry.Behavior.CREATE); |
| var deferredWrittenFile = |
| loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE). |
| addCallback(goog.partial(writeToFile, 'test content')); |
| goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]). |
| addCallback(splitArgs(function(dir, fileEntry) { |
| return fileEntry.moveTo(dir); |
| })). |
| addCallback(goog.partial(checkFileContent, 'test content')). |
| addCallback(goog.partial(checkFileRemoved, 'test')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testMoveFile'); |
| } |
| |
| function testCopyFile() { |
| var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE); |
| var deferredSubdir = loadDirectory( |
| 'subdir', goog.fs.DirectoryEntry.Behavior.CREATE); |
| var deferredWrittenFile = deferredFile.branch(). |
| addCallback(goog.partial(writeToFile, 'test content')); |
| goog.async.DeferredList.gatherResults([deferredSubdir, deferredWrittenFile]). |
| addCallback(splitArgs(function(dir, fileEntry) { |
| return fileEntry.copyTo(dir); |
| })). |
| addCallback(goog.partial(checkFileContent, 'test content')). |
| awaitDeferred(deferredFile). |
| addCallback(goog.partial(checkFileContent, 'test content')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testCopyFile'); |
| } |
| |
| function testAbortWrite() { |
| var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE); |
| deferredFile.branch(). |
| addCallback(goog.partial(startWrite, 'test content')). |
| addCallback(function(writer) { writer.abort(); }). |
| addCallback( |
| goog.partial(waitForEvent, goog.fs.FileSaver.EventType.ABORT)). |
| awaitDeferred(deferredFile). |
| addCallback(goog.partial(checkFileContent, '')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testAbortWrite'); |
| } |
| |
| function testSeek() { |
| var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE); |
| deferredFile.branch(). |
| addCallback(goog.partial(writeToFile, 'test content')). |
| addCallback(function(fileEntry) { return fileEntry.createWriter(); }). |
| addCallback( |
| goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)). |
| addCallback(function(writer) { |
| writer.seek(5); |
| writer.write(goog.fs.getBlob('stuff and things')); |
| }). |
| addCallback( |
| goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)). |
| addCallback( |
| goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)). |
| awaitDeferred(deferredFile). |
| addCallback(goog.partial(checkFileContent, 'test stuff and things')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testSeek'); |
| } |
| |
| function testTruncate() { |
| var deferredFile = loadFile('test', goog.fs.DirectoryEntry.Behavior.CREATE); |
| deferredFile.branch(). |
| addCallback(goog.partial(writeToFile, 'test content')). |
| addCallback(function(fileEntry) { return fileEntry.createWriter(); }). |
| addCallback( |
| goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.INIT)). |
| addCallback(function(writer) { writer.truncate(4); }). |
| addCallback( |
| goog.partial(checkReadyState, goog.fs.FileSaver.ReadyState.WRITING)). |
| addCallback( |
| goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)). |
| awaitDeferred(deferredFile). |
| addCallback(goog.partial(checkFileContent, 'test')). |
| addBoth(continueTesting); |
| asyncTestCase.waitForAsync('testTruncate'); |
| } |
| |
| |
| function continueTesting(result) { |
| asyncTestCase.continueTesting(); |
| if (result instanceof Error) { |
| throw result; |
| } |
| } |
| |
| 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, fileEntry) { |
| return fileEntry.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, fileEntry) { |
| return startWrite(content, fileEntry). |
| addCallback( |
| goog.partial(waitForEvent, goog.fs.FileSaver.EventType.WRITE)). |
| addCallback(function() { return fileEntry; }); |
| } |
| |
| function checkFileContent(content, fileEntry) { |
| return fileEntry.file(). |
| addCallback(function(blob) { return goog.fs.blobToString(blob); }). |
| addCallback(goog.partial(assertEquals, content)); |
| } |
| |
| 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]); }; |
| } |