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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.
*/
#pragma once
#include <string>
#include <vector>
#include "mongo/client/dbclient_connection.h"
#include "mongo/dbtests/mock/mock_remote_db_server.h"
namespace mongo {
/**
* A simple class for mocking mongo::DBClientConnection.
*
* Also check out sample usage in dbtests/mock_dbclient_conn_test.cpp
*/
class MockDBClientConnection : public mongo::DBClientConnection {
public:
/**
* Create a mock connection to a mock server.
*
* @param remoteServer the remote server to connect to. The caller is
* responsible for making sure that the life of remoteServer is
* longer than this connection.
* @param autoReconnect will automatically re-establish connection the
* next time an operation is requested when the last operation caused
* this connection to fall into a failed state.
*/
MockDBClientConnection(MockRemoteDBServer* remoteServer, bool autoReconnect = false);
virtual ~MockDBClientConnection();
//
// DBClientBase methods
//
using DBClientBase::query;
bool connect(const char* hostName, StringData applicationName, std::string& errmsg);
Status connect(const HostAndPort& host, StringData applicationName) override {
std::string errmsg;
if (!connect(host.toString().c_str(), applicationName, errmsg)) {
return {ErrorCodes::HostNotFound, errmsg};
}
return Status::OK();
}
using DBClientBase::runCommandWithTarget;
std::pair<rpc::UniqueReply, DBClientBase*> runCommandWithTarget(OpMsgRequest request) override;
std::unique_ptr<mongo::DBClientCursor> query(const NamespaceStringOrUUID& nsOrUuid,
mongo::Query query = mongo::Query(),
int nToReturn = 0,
int nToSkip = 0,
const mongo::BSONObj* fieldsToReturn = 0,
int queryOptions = 0,
int batchSize = 0) override;
uint64_t getSockCreationMicroSec() const override;
void insert(const std::string& ns, BSONObj obj, int flags = 0) override;
void insert(const std::string& ns, const std::vector<BSONObj>& objList, int flags = 0) override;
void remove(const std::string& ns, Query query, int flags = 0) override;
//
// Getters
//
mongo::ConnectionString::ConnectionType type() const override;
bool isFailed() const override;
double getSoTimeout() const override;
std::string getServerAddress() const override;
std::string toString() const override;
//
// Unsupported methods (defined to get rid of virtual function was hidden error)
//
unsigned long long query(stdx::function<void(mongo::DBClientCursorBatchIterator&)> f,
const NamespaceStringOrUUID& nsOrUuid,
mongo::Query query,
const mongo::BSONObj* fieldsToReturn = 0,
int queryOptions = 0,
int batchSize = 0) override;
//
// Unsupported methods (these are pure virtuals in the base class)
//
void killCursor(const NamespaceString& ns, long long cursorID) override;
bool call(mongo::Message& toSend,
mongo::Message& response,
bool assertOk,
std::string* actualServer) override;
void say(mongo::Message& toSend, bool isRetry = false, std::string* actualServer = 0) override;
bool lazySupported() const override;
private:
void checkConnection() override;
MockRemoteDBServer::InstanceID _remoteServerInstanceID;
MockRemoteDBServer* _remoteServer;
bool _isFailed;
uint64_t _sockCreationTime;
bool _autoReconnect;
};
}
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