metron-platform/metron-data-management/src/test/java/org/apache/metron/dataloads/hbase/mr/BulkLoadMapperTest.java

/**
 * 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.metron.dataloads.hbase.mr;

import org.adrianwalker.multilinestring.Multiline;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
import org.apache.hadoop.io.Text;
import org.apache.metron.enrichment.converter.EnrichmentConverter;
import org.apache.metron.enrichment.converter.EnrichmentKey;
import org.apache.metron.enrichment.converter.EnrichmentValue;
import org.apache.metron.enrichment.lookup.LookupKV;
import org.junit.jupiter.api.Test;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;

public class BulkLoadMapperTest {
    /**
         {
            "config" : {
                        "columns" : {
                                "host" : 0
                                ,"meta" : 2
                                    }
                       ,"indicator_column" : "host"
                       ,"type" : "threat"
                       ,"separator" : ","
                       }
            ,"extractor" : "CSV"
         }
         */
    @Multiline
    private static String extractorConfig;
    @Test
    public void testMapper() throws IOException, InterruptedException {

        final Map<ImmutableBytesWritable, Put> puts = new HashMap<>();
        BulkLoadMapper mapper = new BulkLoadMapper() {
            @Override
            protected void write(ImmutableBytesWritable key, Put value, Context context) throws IOException, InterruptedException {
                puts.put(key, value);
            }
        };
        mapper.initialize(new Configuration() {{
            set(BulkLoadMapper.COLUMN_FAMILY_KEY, "cf");
            set(BulkLoadMapper.CONFIG_KEY, extractorConfig);
            set(BulkLoadMapper.LAST_SEEN_KEY, "0");
            set(BulkLoadMapper.CONVERTER_KEY, EnrichmentConverter.class.getName());
        }});
        {
            mapper.map(null, new Text("#google.com,1,foo"), null);
            assertEquals(0, puts.size());
        }
        {
            mapper.map(null, new Text("google.com,1,foo"), null);
            assertEquals(1, puts.size());
            EnrichmentKey expectedKey = new EnrichmentKey() {{
                indicator = "google.com";
                type = "threat";
            }};
            EnrichmentConverter converter = new EnrichmentConverter();
            Put put = puts.get(new ImmutableBytesWritable(expectedKey.toBytes()));
            assertNotNull(puts);
            LookupKV<EnrichmentKey, EnrichmentValue> results = converter.fromPut(put, "cf");
            assertEquals(results.getKey().indicator, "google.com");
            assertEquals(results.getValue().getMetadata().size(), 2);
            assertEquals(results.getValue().getMetadata().get("meta"), "foo");
            assertEquals(results.getValue().getMetadata().get("host"), "google.com");
        }

    }
}