src/paimon/testing/mock/mock_file_format.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 <string>

#include "paimon/format/file_format.h"
#include "paimon/format/format_stats_extractor.h"
#include "paimon/format/reader_builder.h"
#include "paimon/format/writer_builder.h"
#include "paimon/result.h"

struct ArrowSchema;

namespace paimon::test {

class MockFileFormat : public FileFormat {
 public:
    MockFileFormat() : identifier_("mock_format") {}

    const std::string& Identifier() const override {
        return identifier_;
    }
    Result<std::unique_ptr<ReaderBuilder>> CreateReaderBuilder(int32_t batch_size) const override;
    Result<std::unique_ptr<WriterBuilder>> CreateWriterBuilder(::ArrowSchema* schema,
                                                               int32_t batch_size) const override;
    Result<std::unique_ptr<FormatStatsExtractor>> CreateStatsExtractor(
        ::ArrowSchema* schema) const override;

 private:
    const std::string identifier_;
};

}  // namespace paimon::test