/*
* 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 owlocationNameEntitieship.
* 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.tika.parser.ner.nltk;
import org.apache.tika.Tika;
import org.apache.tika.config.TikaConfig;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ner.NamedEntityParser;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import static org.junit.Assert.assertTrue;
public class NLTKNERecogniserTest {
@Test
public void testGetEntityTypes() throws Exception {
String text = "America is a big country.";
System.setProperty(NamedEntityParser.SYS_PROP_NER_IMPL, NLTKNERecogniser.class.getName());
Tika tika = new Tika(new TikaConfig(NamedEntityParser.class.getResourceAsStream("tika-config.xml")));
Metadata md = new Metadata();
tika.parse(new ByteArrayInputStream(text.getBytes(StandardCharsets.UTF_8)), md);
Set<String> names = new HashSet<>(Arrays.asList(md.getValues("NER_NAMES")));
if(names.size() != 0) {
assertTrue(names.contains("America"));
assertTrue(names.size() == 1);
}
}
}