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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/unittest/task_executor_proxy.h"
namespace mongo {
namespace repl {
/**
* Mock executor::TaskExecutorProxy.
* Supports injecting errors into scheduleWork(), scheduleWorkAt() and scheduleRemoteCommand().
*/
class TaskExecutorMock : public unittest::TaskExecutorProxy {
public:
using ShouldFailScheduleWorkRequestFn = stdx::function<bool()>;
using ShouldFailScheduleRemoteCommandRequestFn =
stdx::function<bool(const executor::RemoteCommandRequest&)>;
explicit TaskExecutorMock(executor::TaskExecutor* executor);
StatusWith<CallbackHandle> scheduleWork(CallbackFn work) override;
StatusWith<CallbackHandle> scheduleWorkAt(Date_t when, CallbackFn work) override;
StatusWith<CallbackHandle> scheduleRemoteCommand(const executor::RemoteCommandRequest& request,
const RemoteCommandCallbackFn& cb,
const BatonHandle& baton = nullptr) override;
// Override to make scheduleWork() fail during testing.
ShouldFailScheduleWorkRequestFn shouldFailScheduleWorkRequest = []() { return false; };
// Override to make scheduleWorkAt() fail during testing.
ShouldFailScheduleWorkRequestFn shouldFailScheduleWorkAtRequest = []() { return false; };
// If the predicate returns true, scheduleWork() will schedule the task 1 second later instead
// of running immediately. This allows us to test cancellation handling in callbacks scheduled
// using scheduleWork().
ShouldFailScheduleWorkRequestFn shouldDeferScheduleWorkRequestByOneSecond = []() {
return false;
};
// Override to make scheduleRemoteCommand fail during testing.
ShouldFailScheduleRemoteCommandRequestFn shouldFailScheduleRemoteCommandRequest =
[](const executor::RemoteCommandRequest&) { return false; };
};
} // namespace repl
} // namespace mongo
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