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// Copyright 2013 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 "base/stl_util.h"
#include "base/thread_task_runner_handle.h"
#include "chrome/browser/sync_file_system/local/canned_syncable_file_system.h"
#include "chrome/browser/sync_file_system/local/local_file_change_tracker.h"
#include "chrome/browser/sync_file_system/local/local_file_sync_context.h"
#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
#include "chrome/browser/sync_file_system/syncable_file_system_util.h"
#include "content/public/test/async_file_test_helper.h"
#include "content/public/test/sandbox_file_system_test_helper.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "storage/browser/fileapi/file_system_context.h"
#include "storage/browser/fileapi/file_system_operation_context.h"
#include "storage/browser/fileapi/isolated_context.h"
#include "storage/browser/quota/quota_manager.h"
#include "storage/common/fileapi/file_system_types.h"
#include "storage/common/quota/quota_types.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
#include "third_party/leveldatabase/src/include/leveldb/env.h"
using content::SandboxFileSystemTestHelper;
using storage::FileSystemContext;
using storage::FileSystemOperationContext;
using storage::FileSystemURL;
using storage::FileSystemURLSet;
using storage::QuotaManager;
using storage::QuotaStatusCode;
namespace sync_file_system {
class SyncableFileSystemTest : public testing::Test {
public:
SyncableFileSystemTest()
: in_memory_env_(leveldb::NewMemEnv(leveldb::Env::Default())),
file_system_(GURL("http://example.com/"),
in_memory_env_.get(),
base::ThreadTaskRunnerHandle::Get().get(),
base::ThreadTaskRunnerHandle::Get().get()),
weak_factory_(this) {}
void SetUp() override {
ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
file_system_.SetUp(CannedSyncableFileSystem::QUOTA_ENABLED);
sync_context_ =
new LocalFileSyncContext(data_dir_.path(),
in_memory_env_.get(),
base::ThreadTaskRunnerHandle::Get().get(),
base::ThreadTaskRunnerHandle::Get().get());
ASSERT_EQ(
sync_file_system::SYNC_STATUS_OK,
file_system_.MaybeInitializeFileSystemContext(sync_context_.get()));
}
void TearDown() override {
if (sync_context_.get())
sync_context_->ShutdownOnUIThread();
sync_context_ = nullptr;
file_system_.TearDown();
// Make sure we don't leave the external filesystem.
// (CannedSyncableFileSystem::TearDown does not do this as there may be
// multiple syncable file systems registered for the name)
RevokeSyncableFileSystem();
}
protected:
void VerifyAndClearChange(const FileSystemURL& url,
const FileChange& expected_change) {
SCOPED_TRACE(testing::Message() << url.DebugString() <<
" expecting:" << expected_change.DebugString());
// Get the changes for URL and verify.
FileChangeList changes;
change_tracker()->GetChangesForURL(url, &changes);
ASSERT_EQ(1U, changes.size());
SCOPED_TRACE(testing::Message() << url.DebugString() <<
" actual:" << changes.DebugString());
EXPECT_EQ(expected_change, changes.front());
// Clear the URL from the change tracker.
change_tracker()->ClearChangesForURL(url);
}
FileSystemURL URL(const std::string& path) {
return file_system_.URL(path);
}
FileSystemContext* file_system_context() {
return file_system_.file_system_context();
}
LocalFileChangeTracker* change_tracker() {
return file_system_.backend()->change_tracker();
}
base::ScopedTempDir data_dir_;
content::TestBrowserThreadBundle thread_bundle_;
scoped_ptr<leveldb::Env> in_memory_env_;
CannedSyncableFileSystem file_system_;
private:
scoped_refptr<LocalFileSyncContext> sync_context_;
base::WeakPtrFactory<SyncableFileSystemTest> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(SyncableFileSystemTest);
};
// Brief combined testing. Just see if all the sandbox feature works.
TEST_F(SyncableFileSystemTest, SyncableLocalSandboxCombined) {
// Opens a syncable file system.
EXPECT_EQ(base::File::FILE_OK,
file_system_.OpenFileSystem());
// Do some operations.
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateDirectory(URL("dir")));
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateFile(URL("dir/foo")));
const int64 kOriginalQuota = QuotaManager::kSyncableStorageDefaultHostQuota;
const int64 kQuota = 12345 * 1024;
QuotaManager::kSyncableStorageDefaultHostQuota = kQuota;
int64 usage, quota;
EXPECT_EQ(storage::kQuotaStatusOk,
file_system_.GetUsageAndQuota(&usage, "a));
// Returned quota must be what we overrode. Usage must be greater than 0
// as creating a file or directory consumes some space.
EXPECT_EQ(kQuota, quota);
EXPECT_GT(usage, 0);
// Truncate to extend an existing file and see if the usage reflects it.
const int64 kFileSizeToExtend = 333;
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateFile(URL("dir/foo")));
EXPECT_EQ(base::File::FILE_OK,
file_system_.TruncateFile(URL("dir/foo"), kFileSizeToExtend));
int64 new_usage;
EXPECT_EQ(storage::kQuotaStatusOk,
file_system_.GetUsageAndQuota(&new_usage, "a));
EXPECT_EQ(kFileSizeToExtend, new_usage - usage);
// Shrink the quota to the current usage, try to extend the file further
// and see if it fails.
QuotaManager::kSyncableStorageDefaultHostQuota = new_usage;
EXPECT_EQ(base::File::FILE_ERROR_NO_SPACE,
file_system_.TruncateFile(URL("dir/foo"), kFileSizeToExtend + 1));
usage = new_usage;
EXPECT_EQ(storage::kQuotaStatusOk,
file_system_.GetUsageAndQuota(&new_usage, "a));
EXPECT_EQ(usage, new_usage);
// Deletes the file system.
EXPECT_EQ(base::File::FILE_OK,
file_system_.DeleteFileSystem());
// Now the usage must be zero.
EXPECT_EQ(storage::kQuotaStatusOk,
file_system_.GetUsageAndQuota(&usage, "a));
EXPECT_EQ(0, usage);
// Restore the system default quota.
QuotaManager::kSyncableStorageDefaultHostQuota = kOriginalQuota;
}
// Combined testing with LocalFileChangeTracker.
TEST_F(SyncableFileSystemTest, ChangeTrackerSimple) {
EXPECT_EQ(base::File::FILE_OK,
file_system_.OpenFileSystem());
const char kPath0[] = "dir a";
const char kPath1[] = "dir a/dir"; // child of kPath0
const char kPath2[] = "dir a/file"; // child of kPath0
const char kPath3[] = "dir b";
// Do some operations.
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateDirectory(URL(kPath0))); // Creates a dir.
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateDirectory(URL(kPath1))); // Creates another.
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateFile(URL(kPath2))); // Creates a file.
EXPECT_EQ(base::File::FILE_OK,
file_system_.TruncateFile(URL(kPath2), 1)); // Modifies the file.
EXPECT_EQ(base::File::FILE_OK,
file_system_.TruncateFile(URL(kPath2), 2)); // Modifies it again.
FileSystemURLSet urls;
file_system_.GetChangedURLsInTracker(&urls);
EXPECT_EQ(3U, urls.size());
EXPECT_TRUE(ContainsKey(urls, URL(kPath0)));
EXPECT_TRUE(ContainsKey(urls, URL(kPath1)));
EXPECT_TRUE(ContainsKey(urls, URL(kPath2)));
VerifyAndClearChange(URL(kPath0),
FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE,
sync_file_system::SYNC_FILE_TYPE_DIRECTORY));
VerifyAndClearChange(URL(kPath1),
FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE,
sync_file_system::SYNC_FILE_TYPE_DIRECTORY));
VerifyAndClearChange(URL(kPath2),
FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE,
sync_file_system::SYNC_FILE_TYPE_FILE));
// Creates and removes a same directory.
EXPECT_EQ(base::File::FILE_OK,
file_system_.CreateDirectory(URL(kPath3)));
EXPECT_EQ(base::File::FILE_OK,
file_system_.Remove(URL(kPath3), false /* recursive */));
// The changes will be offset.
urls.clear();
file_system_.GetChangedURLsInTracker(&urls);
EXPECT_TRUE(urls.empty());
// Recursively removes the kPath0 directory.
EXPECT_EQ(base::File::FILE_OK,
file_system_.Remove(URL(kPath0), true /* recursive */));
urls.clear();
file_system_.GetChangedURLsInTracker(&urls);
// kPath0 and its all chidren (kPath1 and kPath2) must have been deleted.
EXPECT_EQ(3U, urls.size());
EXPECT_TRUE(ContainsKey(urls, URL(kPath0)));
EXPECT_TRUE(ContainsKey(urls, URL(kPath1)));
EXPECT_TRUE(ContainsKey(urls, URL(kPath2)));
VerifyAndClearChange(URL(kPath0),
FileChange(FileChange::FILE_CHANGE_DELETE,
sync_file_system::SYNC_FILE_TYPE_DIRECTORY));
VerifyAndClearChange(URL(kPath1),
FileChange(FileChange::FILE_CHANGE_DELETE,
sync_file_system::SYNC_FILE_TYPE_DIRECTORY));
VerifyAndClearChange(URL(kPath2),
FileChange(FileChange::FILE_CHANGE_DELETE,
sync_file_system::SYNC_FILE_TYPE_FILE));
}
} // namespace sync_file_system
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