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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/client/dbclientinterface.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/operation_context_impl.h"
#include "mongo/db/wire_version.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
namespace mongo {
class CustomDirectClient: public DBDirectClient {
public:
CustomDirectClient(OperationContext* txn) : DBDirectClient(txn) {
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::Value));
BSONObj cmdResult(BSON("ok" << 1));
bb.appendBuf(cmdResult.objdata(), cmdResult.objsize());
QueryResult::View qr = bb.buf();
bb.decouple();
qr.setResultFlagsToOk();
qr.msgdata().setLen(bb.len());
qr.msgdata().setOperation(opReply);
qr.setCursorId(0);
qr.setStartingFrom(0);
qr.setNReturned(1);
m.setData(qr.view2ptr(), true);
return true;
}
};
class CustomConnectHook : public ConnectionString::ConnectionHook {
public:
CustomConnectHook(OperationContext* txn) : _txn(txn) { }
virtual DBClientBase* connect(const ConnectionString& connStr,
std::string& errmsg,
double socketTimeout)
{
// Note - must be new, since it gets owned elsewhere
return new CustomDirectClient(_txn);
}
private:
OperationContext* const _txn;
};
/**
* 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:
ConfigServerFixture();
/**
* Returns a uniform shard name to use throughout the tests.
*/
static std::string shardName();
/**
* Clears all data on the server
*/
void clearServer();
void clearVersion();
/**
* Dumps the contents of the config server to the log.
*/
void dumpServer();
protected:
OperationContextImpl _txn;
CustomDirectClient _client;
CustomConnectHook* _connectHook;
private:
virtual void setUp();
virtual void tearDown();
};
}
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