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/**
* Copyright (C) 2018 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/db/logical_time.h"
#include "mongo/s/at_cluster_time_util.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/log.h"
namespace mongo {
namespace {
/**
* Add atClusterTime to a non-empty readConcern.
*/
TEST(ClusterCommands, AddAtClusterTimeNormal) {
BSONObj command = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("level"
<< "snapshot"));
BSONObj expectedCommand = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("level"
<< "snapshot"
<< "atClusterTime"
<< Timestamp(1, 0)));
BSONObj newCommand =
at_cluster_time_util::appendAtClusterTime(command, LogicalTime(Timestamp(1, 0)));
ASSERT_BSONOBJ_EQ(expectedCommand, newCommand);
}
// Adding atClusterTime overwrites an existing afterClusterTime.
TEST(ClusterCommands, AddingAtClusterTimeOverwritesExistingAfterClusterTime) {
const auto existingAfterClusterTime = Timestamp(1, 1);
BSONObj command = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("level"
<< "snapshot"
<< "afterClusterTime"
<< existingAfterClusterTime));
const auto computedAtClusterTime = Timestamp(2, 1);
BSONObj expectedCommand = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("level"
<< "snapshot"
<< "atClusterTime"
<< computedAtClusterTime));
BSONObj newCommand =
at_cluster_time_util::appendAtClusterTime(command, LogicalTime(computedAtClusterTime));
ASSERT_BSONOBJ_EQ(expectedCommand, newCommand);
}
// Adding atClusterTime overwrites an existing afterClusterTime and will add level "snapshot" if it
// is not there.
TEST(ClusterCommands, AddingAtClusterTimeAddsLevelSnapshotIfNotThere) {
const auto existingAfterClusterTime = Timestamp(1, 1);
BSONObj command = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("afterClusterTime" << existingAfterClusterTime));
const auto computedAtClusterTime = Timestamp(2, 1);
BSONObj expectedCommand = BSON("aggregate"
<< "testColl"
<< "readConcern"
<< BSON("level"
<< "snapshot"
<< "atClusterTime"
<< computedAtClusterTime));
BSONObj newCommand =
at_cluster_time_util::appendAtClusterTime(command, LogicalTime(computedAtClusterTime));
ASSERT_BSONOBJ_EQ(expectedCommand, newCommand);
}
} // namespace
} // namespace mongo
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