metron-streaming/Metron-DataLoads/src/test/java/org/apache/metron/dataloads/extractor/csv/CSVExtractorTest.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.extractor.csv;

import com.google.common.collect.Iterables;
import org.apache.metron.dataloads.extractor.ExtractorHandler;
import org.apache.metron.threatintel.ThreatIntelResults;
import org.junit.Assert;
import org.junit.Test;

import java.io.IOException;

public class CSVExtractorTest {
    @Test
    public void testCSVExtractorMapColumns() throws Exception {
        /**
         {
            "config" : {
                        "columns" : {
                                "host" : 0
                                ,"meta" : 2
                                    }
                       ,"indicator_column" : "host"
                       ,"separator" : ","
                       }
            ,"extractor" : "CSV"
         }
         */
        String config = "{\n" +
                "            \"config\" : {\n" +
                "                        \"columns\" : [\"host:0\",\"meta:2\"]\n" +
                "                       ,\"indicator_column\" : \"host\"\n" +
                "                       ,\"separator\" : \",\"\n" +
                "                       }\n" +
                "            ,\"extractor\" : \"CSV\"\n" +
                "         }";
        ExtractorHandler handler = ExtractorHandler.load(config);
        validate(handler);
    }
    @Test
    public void testCSVExtractorListColumns() throws Exception {
        /**
         {
            "config" : {
                        "columns" : ["host:0","meta:2"]
                       ,"indicator_column" : "host"
                       ,"separator" : ","
                       }
            ,"extractor" : "CSV"
         }
         */
        String config = "{\n" +
                "            \"config\" : {\n" +
                "                        \"columns\" : [\"host:0\",\"meta:2\"]\n" +
                "                       ,\"indicator_column\" : \"host\"\n" +
                "                       ,\"separator\" : \",\"\n" +
                "                       }\n" +
                "            ,\"extractor\" : \"CSV\"\n" +
                "         }";
        ExtractorHandler handler = ExtractorHandler.load(config);
        validate(handler);
    }

    @Test
    public void testCSVExtractor() throws Exception {
        /**
         {
            "config" : {
                        "columns" : "host:0,meta:2"
                       ,"indicator_column" : "host"
                       ,"separator" : ","
                       }
            ,"extractor" : "CSV"
         }
         */
        String config = "{\n" +
                "            \"config\" : {\n" +
                "                        \"columns\" : \"host:0,meta:2\"\n" +
                "                       ,\"indicator_column\" : \"host\"\n" +
                "                       ,\"separator\" : \",\"\n" +
                "                       }\n" +
                "            ,\"extractor\" : \"CSV\"\n" +
                "         }";
        ExtractorHandler handler = ExtractorHandler.load(config);
        validate(handler);
    }

    public void validate(ExtractorHandler handler) throws IOException {
        {
            ThreatIntelResults results = Iterables.getFirst(handler.getExtractor().extract("google.com,1.0,foo"), null);
            Assert.assertEquals("google.com", results.getKey().indicator);
            Assert.assertEquals("google.com", results.getValue().get("host"));
            Assert.assertEquals("foo", results.getValue().get("meta"));
            Assert.assertEquals(2, results.getValue().size());
        }
        {
            Iterable<ThreatIntelResults> results = handler.getExtractor().extract("#google.com,1.0,foo");
            Assert.assertEquals(0, Iterables.size(results));
        }
    }
}