src/paimon/testing/mock/mock_format_writer.h

/*
 * 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 <cstdint>
#include <memory>

#include "paimon/format/format_writer.h"
#include "paimon/result.h"
#include "paimon/status.h"

struct ArrowArray;

namespace paimon {
class MemoryPool;
class Metrics;
class OutputStream;
}  // namespace paimon

namespace paimon::test {
class MockFormatWriter : public FormatWriter {
 public:
    MockFormatWriter(const std::shared_ptr<OutputStream>& out,
                     const std::shared_ptr<MemoryPool>& pool);

    Status AddBatch(ArrowArray* batch) override;
    Status Flush() override;
    Status Finish() override;
    Result<bool> ReachTargetSize(bool suggested_check, int64_t target_size) const override;
    std::shared_ptr<Metrics> GetWriterMetrics() const override {
        return nullptr;
    }

 private:
    int64_t counter_ = 0;
    std::shared_ptr<OutputStream> out_;
    std::shared_ptr<MemoryPool> pool_;
};

}  // namespace paimon::test