kv_engine_test_harness.h

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#pragma once

#include <memory>

#include "mongo/db/storage/kv/kv_engine.h"
#include "mongo/stdx/functional.h"

namespace mongo {

class ClockSource;

class KVHarnessHelper {
public:
    virtual ~KVHarnessHelper() {}

    // returns same thing for entire life
    virtual KVEngine* getEngine() = 0;

    virtual KVEngine* restartEngine() = 0;

    static std::unique_ptr<KVHarnessHelper> create();
    static void registerFactory(stdx::function<std::unique_ptr<KVHarnessHelper>()> factory);
};

}  // namespace mongo