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/**
* Copyright (C) 2015 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.
*/
#pragma once
#include <functional>
#include <thread>
#include <vector>
#include "mongo/unittest/unittest.h"
namespace mongo {
class BSONObj;
class CatalogManagerReplicaSet;
class DistLockManagerMock;
struct RemoteCommandRequest;
class RemoteCommandRunnerMock;
class ShardRegistry;
template<typename T> class StatusWith;
namespace executor {
class NetworkInterfaceMock;
} // namespace executor
/**
* Sets up the mocked out objects for testing the replica-set backed catalog manager.
*/
class CatalogManagerReplSetTestFixture : public mongo::unittest::Test {
public:
CatalogManagerReplSetTestFixture();
~CatalogManagerReplSetTestFixture();
protected:
/**
* Shortcut function to be used for generating mock responses to network requests.
*
* @param dbName Name of the database for which this request came.
* @param cmdObj Contents of the request.
*
* Return the BSON object representing the response(s) or an error, which will be passed
* back on the network.
*/
using OnCommandFunction =
std::function<StatusWith<BSONObj>(const RemoteCommandRequest&)>;
using OnFindCommandFunction =
std::function<StatusWith<std::vector<BSONObj>>(const RemoteCommandRequest&)>;
CatalogManagerReplicaSet* catalogManager() const;
ShardRegistry* shardRegistry() const;
RemoteCommandRunnerMock* commandRunner() const;
executor::NetworkInterfaceMock* network() const;
DistLockManagerMock* distLock() const;
/**
* Blocking methods, which receive one message from the network and respond using the
* responses returned from the input function. This is a syntactic sugar for simple,
* single request + response or find tests.
*/
void onCommand(OnCommandFunction func);
void onFindCommand(OnFindCommandFunction func);
private:
void setUp() override;
void tearDown() override;
// Mocked out network under the task executor. This pointer is owned by the executor on
// the ShardRegistry, so it must not be accessed once the executor has been shut down.
executor::NetworkInterfaceMock* _mockNetwork;
// Thread used to execute the task executor's loop. This thread will be busy until the
// shutdown is called on the shard registry's task executor.
std::thread _executorThread;
};
} // namespace mongo
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