/*
 * 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.
 */

package org.apache.cassandra.cdc.kafka;

import java.nio.charset.StandardCharsets;

import org.junit.jupiter.api.Test;

import org.apache.kafka.clients.producer.ProducerRecord;

import static org.assertj.core.api.Assertions.assertThat;

public class RecordProducerTest
{
    @Test
    public void buildRecordWithSchemaUuidStampsAllThreeHeaders()
    {
        ProducerRecord<String, byte[]> record = RecordProducer.<byte[]>defaultProducer()
                .buildRecord("ks", "tbl", "topic", "key", null, "uuid-1");

        assertThat(headerString(record, RecordProducer.KEYSPACE_HEADER)).isEqualTo("ks");
        assertThat(headerString(record, RecordProducer.TABLE_HEADER)).isEqualTo("tbl");
        assertThat(headerString(record, RecordProducer.SCHEMA_UUID_HEADER)).isEqualTo("uuid-1");
    }

    @Test
    public void buildRecordWithNullSchemaUuidOmitsSchemaUuidHeader()
    {
        ProducerRecord<String, byte[]> record = RecordProducer.<byte[]>defaultProducer()
                .buildRecord("ks", "tbl", "topic", "key", null, null);

        assertThat(headerString(record, RecordProducer.KEYSPACE_HEADER)).isEqualTo("ks");
        assertThat(headerString(record, RecordProducer.TABLE_HEADER)).isEqualTo("tbl");
        assertThat(record.headers().lastHeader(RecordProducer.SCHEMA_UUID_HEADER)).isNull();
    }

    private static String headerString(ProducerRecord<?, ?> record, String key)
    {
        return new String(record.headers().lastHeader(key).value(), StandardCharsets.UTF_8);
    }
}
