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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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 "mongo/platform/basic.h"
#include "mongo/db/storage/record_store_test_harness.h"
#include "mongo/db/storage/record_store.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using std::string;
using std::stringstream;
using std::unique_ptr;
// Verify that an empty collection takes up no space.
TEST(RecordStoreTestHarness, DataSizeEmpty) {
const auto harnessHelper(newRecordStoreHarnessHelper());
unique_ptr<RecordStore> rs(harnessHelper->newNonCappedRecordStore());
{
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
ASSERT_EQUALS(0, rs->numRecords(opCtx.get()));
}
{
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
ASSERT(rs->dataSize(opCtx.get()) == 0);
}
}
// Verify that a nonempty collection takes up some space.
TEST(RecordStoreTestHarness, DataSizeNonEmpty) {
const auto harnessHelper(newRecordStoreHarnessHelper());
unique_ptr<RecordStore> rs(harnessHelper->newNonCappedRecordStore());
{
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
ASSERT_EQUALS(0, rs->numRecords(opCtx.get()));
}
int nToInsert = 10;
for (int i = 0; i < nToInsert; i++) {
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
{
stringstream ss;
ss << "record " << i;
string data = ss.str();
WriteUnitOfWork uow(opCtx.get());
StatusWith<RecordId> res =
rs->insertRecord(opCtx.get(), data.c_str(), data.size() + 1, Timestamp());
ASSERT_OK(res.getStatus());
uow.commit();
}
}
{
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
ASSERT_EQUALS(nToInsert, rs->numRecords(opCtx.get()));
}
{
ServiceContext::UniqueOperationContext opCtx(harnessHelper->newOperationContext());
ASSERT(rs->dataSize(opCtx.get()) > 0);
}
}
} // namespace
} // namespace mongo
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