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// Copyright 2014 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 "chrome/browser/sync_file_system/drive_backend/metadata_database_index.h"
#include "chrome/browser/sync_file_system/drive_backend/drive_backend_constants.h"
#include "chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.h"
#include "chrome/browser/sync_file_system/drive_backend/leveldb_wrapper.h"
#include "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
#include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
#include "third_party/leveldatabase/src/include/leveldb/db.h"
#include "third_party/leveldatabase/src/include/leveldb/env.h"
namespace sync_file_system {
namespace drive_backend {
namespace {
const int64 kSyncRootTrackerID = 1;
const int64 kAppRootTrackerID = 2;
const int64 kFileTrackerID = 3;
const int64 kPlaceholderTrackerID = 4;
scoped_ptr<DatabaseContents> CreateTestDatabaseContents() {
scoped_ptr<DatabaseContents> contents(new DatabaseContents);
scoped_ptr<FileMetadata> sync_root_metadata =
test_util::CreateFolderMetadata("sync_root_folder_id",
"Chrome Syncable FileSystem");
scoped_ptr<FileTracker> sync_root_tracker =
test_util::CreateTracker(*sync_root_metadata, kSyncRootTrackerID,
nullptr);
scoped_ptr<FileMetadata> app_root_metadata =
test_util::CreateFolderMetadata("app_root_folder_id", "app_id");
scoped_ptr<FileTracker> app_root_tracker =
test_util::CreateTracker(*app_root_metadata, kAppRootTrackerID,
sync_root_tracker.get());
app_root_tracker->set_app_id("app_id");
app_root_tracker->set_tracker_kind(TRACKER_KIND_APP_ROOT);
scoped_ptr<FileMetadata> file_metadata =
test_util::CreateFileMetadata("file_id", "file", "file_md5");
scoped_ptr<FileTracker> file_tracker =
test_util::CreateTracker(*file_metadata, kFileTrackerID,
app_root_tracker.get());
scoped_ptr<FileTracker> placeholder_tracker =
test_util::CreatePlaceholderTracker("unsynced_file_id",
kPlaceholderTrackerID,
app_root_tracker.get());
contents->file_metadata.push_back(sync_root_metadata.release());
contents->file_trackers.push_back(sync_root_tracker.release());
contents->file_metadata.push_back(app_root_metadata.release());
contents->file_trackers.push_back(app_root_tracker.release());
contents->file_metadata.push_back(file_metadata.release());
contents->file_trackers.push_back(file_tracker.release());
contents->file_trackers.push_back(placeholder_tracker.release());
return contents.Pass();
}
} // namespace
class MetadataDatabaseIndexTest : public testing::Test {
public:
void SetUp() override {
in_memory_env_.reset(leveldb::NewMemEnv(leveldb::Env::Default()));
InitializeLevelDB();
contents_ = CreateTestDatabaseContents();
index_ = MetadataDatabaseIndex::CreateForTesting(contents_.get(),
db_.get());
}
MetadataDatabaseIndex* index() { return index_.get(); }
private:
void InitializeLevelDB() {
leveldb::DB* db = nullptr;
leveldb::Options options;
options.create_if_missing = true;
options.max_open_files = 0; // Use minimum.
options.env = in_memory_env_.get();
leveldb::Status status = leveldb::DB::Open(options, "", &db);
ASSERT_TRUE(status.ok());
db_.reset(new LevelDBWrapper(make_scoped_ptr(db)));
}
scoped_ptr<DatabaseContents> contents_;
scoped_ptr<MetadataDatabaseIndex> index_;
scoped_ptr<leveldb::Env> in_memory_env_;
scoped_ptr<LevelDBWrapper> db_;
};
TEST_F(MetadataDatabaseIndexTest, GetEntryTest) {
FileTracker tracker;
EXPECT_FALSE(index()->GetFileTracker(kInvalidTrackerID, nullptr));
ASSERT_TRUE(index()->GetFileTracker(kFileTrackerID, &tracker));
EXPECT_EQ(kFileTrackerID, tracker.tracker_id());
EXPECT_EQ("file_id", tracker.file_id());
FileMetadata metadata;
EXPECT_FALSE(index()->GetFileMetadata(std::string(), nullptr));
ASSERT_TRUE(index()->GetFileMetadata("file_id", &metadata));
EXPECT_EQ("file_id", metadata.file_id());
}
TEST_F(MetadataDatabaseIndexTest, IndexLookUpTest) {
TrackerIDSet trackers = index()->GetFileTrackerIDsByFileID("file_id");
EXPECT_EQ(1u, trackers.size());
EXPECT_TRUE(trackers.has_active());
EXPECT_EQ(kFileTrackerID, trackers.active_tracker());
int64 app_root_tracker_id = index()->GetAppRootTracker("app_id");
EXPECT_EQ(kAppRootTrackerID, app_root_tracker_id);
trackers = index()->GetFileTrackerIDsByParentAndTitle(
app_root_tracker_id, "file");
EXPECT_EQ(1u, trackers.size());
EXPECT_TRUE(trackers.has_active());
EXPECT_EQ(kFileTrackerID, trackers.active_tracker());
EXPECT_TRUE(index()->PickMultiTrackerFileID().empty());
EXPECT_EQ(kInvalidTrackerID,
index()->PickMultiBackingFilePath().parent_id);
EXPECT_EQ(kPlaceholderTrackerID, index()->PickDirtyTracker());
}
TEST_F(MetadataDatabaseIndexTest, UpdateTest) {
EXPECT_FALSE(index()->IsDemotedDirtyTracker(kPlaceholderTrackerID));
index()->DemoteDirtyTracker(kPlaceholderTrackerID);
EXPECT_TRUE(index()->IsDemotedDirtyTracker(kPlaceholderTrackerID));
EXPECT_EQ(kInvalidTrackerID, index()->PickDirtyTracker());
index()->PromoteDemotedDirtyTrackers();
EXPECT_EQ(kPlaceholderTrackerID, index()->PickDirtyTracker());
FileMetadata metadata;
ASSERT_TRUE(index()->GetFileMetadata("file_id", &metadata));
FileTracker app_root_tracker;
ASSERT_TRUE(index()->GetFileTracker(kAppRootTrackerID, &app_root_tracker));
int64 new_tracker_id = 100;
scoped_ptr<FileTracker> new_tracker =
test_util::CreateTracker(metadata, new_tracker_id, &app_root_tracker);
new_tracker->set_active(false);
index()->StoreFileTracker(new_tracker.Pass());
EXPECT_EQ("file_id", index()->PickMultiTrackerFileID());
EXPECT_EQ(ParentIDAndTitle(kAppRootTrackerID, std::string("file")),
index()->PickMultiBackingFilePath());
index()->RemoveFileMetadata("file_id");
index()->RemoveFileTracker(kFileTrackerID);
EXPECT_FALSE(index()->GetFileMetadata("file_id", nullptr));
EXPECT_FALSE(index()->GetFileTracker(kFileTrackerID, nullptr));
}
} // namespace drive_backend
} // namespace sync_file_system
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