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/**
* Copyright (C) 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include <boost/shared_ptr.hpp>
#include <boost/filesystem/operations.hpp>
#include <rocksdb/comparator.h>
#include <rocksdb/db.h>
#include <rocksdb/options.h>
#include <rocksdb/slice.h>
#include "mongo/db/concurrency/write_conflict_exception.h"
#include "mongo/db/storage/sorted_data_interface_test_harness.h"
#include "mongo/db/storage/rocks/rocks_engine.h"
#include "mongo/db/storage/rocks/rocks_sorted_data_impl.h"
#include "mongo/db/storage/rocks/rocks_recovery_unit.h"
#include "mongo/db/storage/rocks/rocks_transaction.h"
#include "mongo/unittest/temp_dir.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
class RocksSortedDataImplHarness : public HarnessHelper {
public:
RocksSortedDataImplHarness() : _order(Ordering::make(BSONObj())), _tempDir(_testNamespace) {
boost::filesystem::remove_all(_tempDir.path());
rocksdb::DB* db;
std::vector<rocksdb::ColumnFamilyDescriptor> cfs;
cfs.emplace_back();
cfs.emplace_back("sroted_data_impl", rocksdb::ColumnFamilyOptions());
cfs[1].options.comparator = RocksSortedDataImpl::newRocksComparator(_order);
rocksdb::DBOptions db_options;
db_options.create_if_missing = true;
db_options.create_missing_column_families = true;
std::vector<rocksdb::ColumnFamilyHandle*> handles;
auto s = rocksdb::DB::Open(db_options, _tempDir.path(), cfs, &handles, &db);
ASSERT(s.ok());
_db.reset(db);
_cf.reset(handles[1]);
}
virtual SortedDataInterface* newSortedDataInterface(bool unique) {
return new RocksSortedDataImpl(_db.get(), _cf, rocksdb::kDefaultColumnFamilyName,
_order);
}
virtual RecoveryUnit* newRecoveryUnit() {
return new RocksRecoveryUnit(&_transactionEngine, _db.get(), true);
}
private:
Ordering _order;
string _testNamespace = "mongo-rocks-sorted-data-test";
unittest::TempDir _tempDir;
scoped_ptr<rocksdb::DB> _db;
shared_ptr<rocksdb::ColumnFamilyHandle> _cf;
RocksTransactionEngine _transactionEngine;
};
HarnessHelper* newHarnessHelper() { return new RocksSortedDataImplHarness(); }
TEST(RocksSortedDataImplTest, Isolation) {
scoped_ptr<HarnessHelper> harnessHelper(newHarnessHelper());
scoped_ptr<SortedDataInterface> sorted(harnessHelper->newSortedDataInterface(true));
{
scoped_ptr<OperationContext> opCtx(harnessHelper->newOperationContext());
ASSERT(sorted->isEmpty(opCtx.get()));
}
{
scoped_ptr<OperationContext> opCtx(harnessHelper->newOperationContext());
{
WriteUnitOfWork uow(opCtx.get());
ASSERT_OK(sorted->insert(opCtx.get(), key1, loc1, false));
ASSERT_OK(sorted->insert(opCtx.get(), key2, loc2, false));
uow.commit();
}
}
{
scoped_ptr<OperationContext> t1(harnessHelper->newOperationContext());
scoped_ptr<OperationContext> t2(harnessHelper->newOperationContext());
scoped_ptr<WriteUnitOfWork> w1(new WriteUnitOfWork(t1.get()));
scoped_ptr<WriteUnitOfWork> w2(new WriteUnitOfWork(t2.get()));
ASSERT_OK(sorted->insert(t1.get(), key3, loc3, false));
ASSERT_OK(sorted->insert(t2.get(), key4, loc4, false));
// this should return duplicate key
ASSERT_NOT_OK(sorted->insert(t2.get(), key3, loc5, false));
w1->commit(); // this should succeed
}
{
scoped_ptr<OperationContext> t1(harnessHelper->newOperationContext());
scoped_ptr<OperationContext> t2(harnessHelper->newOperationContext());
scoped_ptr<WriteUnitOfWork> w2(new WriteUnitOfWork(t2.get()));
// ensure we start w2 transaction
ASSERT_OK(sorted->insert(t2.get(), key4, loc4, false));
{
scoped_ptr<WriteUnitOfWork> w1(new WriteUnitOfWork(t1.get()));
{
WriteUnitOfWork w(t1.get());
ASSERT_OK(sorted->insert(t1.get(), key5, loc3, false));
w.commit();
}
w1->commit();
}
// this should return duplicate key
ASSERT_NOT_OK(sorted->insert(t2.get(), key5, loc3, false));
}
}
}
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