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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/stringprintf.h"
#include "base/threading/sequenced_worker_pool.h"
#include "base/values.h"
#include "chrome/browser/chromeos/gdata/drive.pb.h"
#include "chrome/browser/chromeos/gdata/drive_file_system.h"
#include "chrome/browser/chromeos/gdata/drive_test_util.h"
#include "chrome/browser/chromeos/gdata/drive_uploader.h"
#include "chrome/browser/chromeos/gdata/drive_webapps_registry.h"
#include "chrome/browser/chromeos/gdata/mock_directory_change_observer.h"
#include "chrome/browser/chromeos/gdata/mock_drive_cache_observer.h"
#include "chrome/browser/chromeos/gdata/mock_drive_service.h"
#include "chrome/browser/chromeos/gdata/mock_drive_uploader.h"
#include "chrome/browser/chromeos/gdata/mock_drive_web_apps_registry.h"
#include "chrome/browser/chromeos/gdata/mock_free_disk_space_getter.h"
#include "chrome/browser/chromeos/gdata/stale_cache_files_remover.h"
#include "chrome/browser/google_apis/drive_api_parser.h"
#include "chrome/browser/google_apis/gdata_util.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::AtLeast;
using ::testing::Eq;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::StrictMock;
using ::testing::_;
namespace gdata {
namespace {
const int64 kLotsOfSpace = kMinFreeSpace * 10;
// Callback for DriveCache::StoreOnUIThread used in RemoveStaleCacheFiles test.
// Verifies that the result is not an error.
void VerifyCacheFileState(DriveFileError error,
const std::string& resource_id,
const std::string& md5) {
EXPECT_EQ(DRIVE_FILE_OK, error);
}
} // namespace
class StaleCacheFilesRemoverTest : public testing::Test {
protected:
StaleCacheFilesRemoverTest()
: ui_thread_(content::BrowserThread::UI, &message_loop_),
io_thread_(content::BrowserThread::IO),
cache_(NULL),
file_system_(NULL),
mock_drive_service_(NULL),
mock_webapps_registry_(NULL),
root_feed_changestamp_(0) {
}
virtual void SetUp() OVERRIDE {
io_thread_.StartIOThread();
profile_.reset(new TestingProfile);
// Allocate and keep a pointer to the mock, and inject it into the
// DriveFileSystem object, which will own the mock object.
mock_drive_service_ = new StrictMock<MockDriveService>;
EXPECT_CALL(*mock_drive_service_, Initialize(profile_.get())).Times(1);
// Likewise, this will be owned by DriveFileSystem.
mock_free_disk_space_checker_ = new StrictMock<MockFreeDiskSpaceGetter>;
SetFreeDiskSpaceGetterForTesting(mock_free_disk_space_checker_);
scoped_refptr<base::SequencedWorkerPool> pool =
content::BrowserThread::GetBlockingPool();
blocking_task_runner_ =
pool->GetSequencedTaskRunner(pool->GetSequenceToken());
cache_ = DriveCache::CreateDriveCacheOnUIThread(
DriveCache::GetCacheRootPath(profile_.get()), blocking_task_runner_);
mock_uploader_.reset(new StrictMock<MockDriveUploader>);
mock_webapps_registry_.reset(new StrictMock<MockDriveWebAppsRegistry>);
ASSERT_FALSE(file_system_);
file_system_ = new DriveFileSystem(profile_.get(),
cache_,
mock_drive_service_,
mock_uploader_.get(),
mock_webapps_registry_.get(),
blocking_task_runner_);
mock_cache_observer_.reset(new StrictMock<MockDriveCacheObserver>);
cache_->AddObserver(mock_cache_observer_.get());
mock_directory_observer_.reset(new StrictMock<MockDirectoryChangeObserver>);
file_system_->AddObserver(mock_directory_observer_.get());
file_system_->Initialize();
cache_->RequestInitializeOnUIThreadForTesting();
stale_cache_files_remover_.reset(new StaleCacheFilesRemover(file_system_,
cache_));
test_util::RunBlockingPoolTask();
}
virtual void TearDown() OVERRIDE {
ASSERT_TRUE(file_system_);
stale_cache_files_remover_.reset();
EXPECT_CALL(*mock_drive_service_, CancelAll()).Times(1);
delete file_system_;
file_system_ = NULL;
delete mock_drive_service_;
mock_drive_service_ = NULL;
SetFreeDiskSpaceGetterForTesting(NULL);
cache_->DestroyOnUIThread();
// The cache destruction requires to post a task to the blocking pool.
test_util::RunBlockingPoolTask();
profile_.reset(NULL);
}
// Loads test json file as root ("/drive") element.
void LoadRootFeedDocument(const std::string& filename) {
test_util::LoadChangeFeed(filename,
file_system_,
0,
root_feed_changestamp_++);
}
MessageLoopForUI message_loop_;
// The order of the test threads is important, do not change the order.
// See also content/browser/browser_thread_impl.cc.
content::TestBrowserThread ui_thread_;
content::TestBrowserThread io_thread_;
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
scoped_ptr<TestingProfile> profile_;
DriveCache* cache_;
scoped_ptr<StrictMock<MockDriveUploader> > mock_uploader_;
DriveFileSystem* file_system_;
StrictMock<MockDriveService>* mock_drive_service_;
scoped_ptr<StrictMock<MockDriveWebAppsRegistry> > mock_webapps_registry_;
StrictMock<MockFreeDiskSpaceGetter>* mock_free_disk_space_checker_;
scoped_ptr<StrictMock<MockDriveCacheObserver> > mock_cache_observer_;
scoped_ptr<StrictMock<MockDirectoryChangeObserver> > mock_directory_observer_;
scoped_ptr<StaleCacheFilesRemover> stale_cache_files_remover_;
int root_feed_changestamp_;
};
TEST_F(StaleCacheFilesRemoverTest, RemoveStaleCacheFiles) {
FilePath dummy_file = test_util::GetTestFilePath("gdata/root_feed.json");
std::string resource_id("pdf:1a2b3c");
std::string md5("abcdef0123456789");
EXPECT_CALL(*mock_free_disk_space_checker_, AmountOfFreeDiskSpace())
.Times(AtLeast(1)).WillRepeatedly(Return(kLotsOfSpace));
// Create a stale cache file.
cache_->StoreOnUIThread(resource_id, md5, dummy_file,
DriveCache::FILE_OPERATION_COPY,
base::Bind(&gdata::VerifyCacheFileState));
test_util::RunBlockingPoolTask();
// Verify that the cache file exists.
FilePath path = cache_->GetCacheFilePath(resource_id,
md5,
DriveCache::CACHE_TYPE_TMP,
DriveCache::CACHED_FILE_FROM_SERVER);
EXPECT_TRUE(file_util::PathExists(path));
// Verify that the corresponding file entry doesn't exist.
EXPECT_CALL(*mock_drive_service_, GetAccountMetadata(_)).Times(1);
EXPECT_CALL(*mock_drive_service_, GetDocuments(Eq(GURL()), _, "", _, _))
.Times(1);
EXPECT_CALL(*mock_webapps_registry_, UpdateFromFeed(_)).Times(1);
DriveFileError error(DRIVE_FILE_OK);
FilePath unused;
scoped_ptr<DriveEntryProto> entry_proto;
file_system_->GetEntryInfoByResourceId(
resource_id,
base::Bind(&test_util::CopyResultsFromGetEntryInfoWithFilePathCallback,
&error,
&unused,
&entry_proto));
test_util::RunBlockingPoolTask();
EXPECT_EQ(DRIVE_FILE_ERROR_NOT_FOUND, error);
file_system_->GetEntryInfoByPath(
path,
base::Bind(&test_util::CopyResultsFromGetEntryInfoCallback,
&error,
&entry_proto));
test_util::RunBlockingPoolTask();
EXPECT_EQ(DRIVE_FILE_ERROR_NOT_FOUND, error);
EXPECT_FALSE(entry_proto.get());
// Load a root feed.
LoadRootFeedDocument("gdata/root_feed.json");
// Wait for StaleCacheFilesRemover to finish cleaning up the stale file.
test_util::RunBlockingPoolTask();
// Verify that the cache file is deleted.
path = cache_->GetCacheFilePath(resource_id,
md5,
DriveCache::CACHE_TYPE_TMP,
DriveCache::CACHED_FILE_FROM_SERVER);
EXPECT_FALSE(file_util::PathExists(path));
}
} // namespace gdata
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