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/**
* Copyright (C) 2012 10gen 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.
*/
#pragma once
#include "mongo/db/instance.h"
#include "mongo/db/wire_version.h"
#include "mongo/client/dbclientinterface.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
namespace mongo {
class OperationContext;
class CustomDirectClient: public DBDirectClient {
public:
CustomDirectClient() {
setWireVersions(minWireVersion, maxWireVersion);
}
virtual ConnectionString::ConnectionType type() const {
return ConnectionString::CUSTOM;
}
virtual bool recv( Message& m ) {
// This is tailored to act as a dummy response for write commands.
BufBuilder bb;
bb.skip(sizeof(QueryResult));
BSONObj cmdResult(BSON("ok" << 1));
bb.appendBuf(cmdResult.objdata(), cmdResult.objsize());
QueryResult* qr = reinterpret_cast<QueryResult*>(bb.buf());
bb.decouple();
qr->setResultFlagsToOk();
qr->len = bb.len();
qr->setOperation(opReply);
qr->cursorId = 0;
qr->startingFrom = 0;
qr->nReturned = 1;
m.setData(qr, true);
return true;
}
};
class CustomConnectHook: public ConnectionString::ConnectionHook {
public:
virtual DBClientBase* connect(const ConnectionString& connStr,
std::string& errmsg,
double socketTimeout)
{
// Note - must be new, since it gets owned elsewhere
return new CustomDirectClient();
}
};
/**
* Fixture for testing complicated operations against a "virtual" config server.
*
* Use this if your test requires complex commands and writing to many collections,
* otherwise a unit test in the mock framework may be a better option.
*/
class ConfigServerFixture: public mongo::unittest::Test {
public:
/**
* Returns a client connection to the virtual config server.
*/
DBClientBase& client() {
return _client;
}
/**
* Returns a connection std::string to the virtual config server.
*/
ConnectionString configSvr() const {
return ConnectionString(HostAndPort("$dummy:10000"));
}
/**
* Clears all data on the server
*/
void clearServer();
void clearVersion();
void clearShards();
void clearDatabases();
void clearCollections();
void clearChunks();
void clearPings();
void clearChangelog();
/**
* Dumps the contents of the config server to the log.
*/
void dumpServer();
protected:
virtual void setUp();
virtual void tearDown();
private:
CustomConnectHook* _connectHook;
CustomDirectClient _client;
};
}
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