sql/storm-sql-external/storm-sql-kafka/src/test/org/apache/storm/sql/kafka/TestKafkaDataSourcesProvider.java

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 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.storm.sql.kafka;

import com.google.common.collect.ImmutableList;
import org.apache.storm.kafka.bolt.KafkaBolt;
import org.apache.storm.sql.runtime.DataSourcesRegistry;
import org.apache.storm.sql.runtime.FieldInfo;
import org.apache.storm.sql.runtime.ISqlStreamsDataSource;
import org.apache.storm.topology.IRichBolt;
import org.junit.Assert;
import org.junit.Test;

import java.net.URI;
import java.util.*;

public class TestKafkaDataSourcesProvider {

    private static final List<FieldInfo> FIELDS = ImmutableList.of(
        new FieldInfo("ID", int.class, true),
        new FieldInfo("val", String.class, false));
    private static final Properties TBL_PROPERTIES = new Properties();

    static {
        Map<String, Object> map = new HashMap<>();
        map.put("acks", "1");
        map.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        TBL_PROPERTIES.put("producer", map);
    }

    @SuppressWarnings("unchecked")
    @Test
    public void testKafkaSink() throws Exception {
        ISqlStreamsDataSource ds = DataSourcesRegistry.constructStreamsDataSource(
            URI.create("kafka://foo?bootstrap-servers=foo"), null, null, TBL_PROPERTIES, FIELDS);
        Assert.assertNotNull(ds);

        IRichBolt consumer = ds.getConsumer();

        Assert.assertEquals(KafkaBolt.class, consumer.getClass());
    }
}