// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#include <list>

#include "core/block/block.h"

#include "exec/operator/operator.h"

namespace doris {

#ifdef BE_TEST

class MockLocalState final : public doris::PipelineXLocalState<FakeSharedState> {

public:

    using Base = doris::PipelineXLocalState<FakeSharedState>;

    ENABLE_FACTORY_CREATOR(MockLocalState);

    MockLocalState(RuntimeState* state, OperatorXBase* parent) : Base(state, parent) {}

    ~MockLocalState() override = default;

private:

    friend class MockOperatorX;

};

class MockOperatorX final : public OperatorX<MockLocalState> {

public:

    ENABLE_FACTORY_CREATOR(MockOperatorX);

    MockOperatorX() = default;

    Status get_block(RuntimeState* state, Block* block, bool* eos) override {

        if (_outout_blocks.empty()) {

            *eos = true;

            return Status::OK();

        }

        *eos = false;

        block->swap(_outout_blocks.front());

        _outout_blocks.pop_front();

        if (_outout_blocks.empty()) {

            *eos = true;

        }

        return Status::OK();

    }

    [[nodiscard]] bool is_source() const override { return true; }

    friend class MockLocalState;

    std::list<Block> _outout_blocks;

};

#endif

} // namespace doris