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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 "mongo/client/remote_command_runner.h"
#include "mongo/stdx/functional.h"
namespace mongo {
/**
* Note: This is NOT thread-safe.
*
* Example usage:
*
* RemoteCommandRunnerMock executor;
* executor.setNextExpectedCommand([](const RemoteCommandRequest& request) {
* ASSERT_EQUALS("config", request.dbname);
* },
* RemoteCommandResponse(BSON("ok" << 1), Milliseconds(0)));
*
* auto response = executor.runCommand(RemoteCommandRequest()); // Assertion error!
*/
class RemoteCommandRunnerMock final : public RemoteCommandRunner {
public:
RemoteCommandRunnerMock();
virtual ~RemoteCommandRunnerMock();
/**
* Shortcut for unit-tests.
*/
static RemoteCommandRunnerMock* get(RemoteCommandRunner* runner);
/**
* Runs the function set by the last call to setNextExpectedCommand. Calling this more
* than once after a single call to setNextExpectedCommand will result in an assertion
* failure.
*
* Returns the value set on a previous call to setNextExpectedCommand.
*/
StatusWith<RemoteCommandResponse> runCommand(const RemoteCommandRequest& request) override;
/**
* Sets the checker method to use and it's return value the next time runCommand is
* called.
*/
void setNextExpectedCommand(
stdx::function<void (const RemoteCommandRequest& request)> checkerFunc,
StatusWith<RemoteCommandResponse> returnThis);
private:
stdx::function<void (const RemoteCommandRequest& request)> _runCommandChecker;
StatusWith<RemoteCommandResponse> _response;
};
}
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