/*
* 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 opennlp.tools.formats;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.io.IOException;
import opennlp.tools.formats.Conll03NameSampleStream.LANGUAGE;
import opennlp.tools.namefind.NameSample;
import opennlp.tools.util.InputStreamFactory;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.Span;
import org.junit.Test;
/**
* Test for the {@link Conll03NameSampleStream} class.
*/
public class Conll03NameSampleStreamTest {
private static final String ENGLISH_SAMPLE = "conll2003-en.sample";
private static final String GERMAN_SAMPLE = "conll2003-de.sample";
private static ObjectStream<NameSample> openData(LANGUAGE lang, String name) throws IOException {
InputStreamFactory in = new ResourceAsStreamFactory(Conll03NameSampleStreamTest.class,
"/opennlp/tools/formats/" + name);
return new Conll03NameSampleStream(lang, in, Conll02NameSampleStream.GENERATE_PERSON_ENTITIES);
}
@Test
public void testParsingEnglishSample() throws IOException {
ObjectStream<NameSample> sampleStream = openData(LANGUAGE.EN, ENGLISH_SAMPLE);
NameSample personName = sampleStream.read();
assertNotNull(personName);
assertEquals(9, personName.getSentence().length);
assertEquals(0, personName.getNames().length);
assertEquals(true, personName.isClearAdaptiveDataSet());
personName = sampleStream.read();
assertNotNull(personName);
assertEquals(2, personName.getSentence().length);
assertEquals(1, personName.getNames().length);
assertEquals(false, personName.isClearAdaptiveDataSet());
Span nameSpan = personName.getNames()[0];
assertEquals(0, nameSpan.getStart());
assertEquals(2, nameSpan.getEnd());
assertNull(sampleStream.read());
}
@Test(expected=IOException.class)
public void testParsingEnglishSampleWithGermanAsLanguage() throws IOException {
ObjectStream<NameSample> sampleStream = openData(LANGUAGE.DE, ENGLISH_SAMPLE);
sampleStream.read();
}
@Test(expected=IOException.class)
public void testParsingGermanSampleWithEnglishAsLanguage() throws IOException {
ObjectStream<NameSample> sampleStream = openData(LANGUAGE.EN, GERMAN_SAMPLE);
sampleStream.read();
}
@Test
public void testParsingGermanSample() throws IOException {
ObjectStream<NameSample> sampleStream = openData(LANGUAGE.DE, GERMAN_SAMPLE);
NameSample personName = sampleStream.read();
assertNotNull(personName);
assertEquals(5, personName.getSentence().length);
assertEquals(0, personName.getNames().length);
assertEquals(true, personName.isClearAdaptiveDataSet());
}
@Test
public void testReset() throws IOException {
ObjectStream<NameSample> sampleStream = openData(LANGUAGE.DE, GERMAN_SAMPLE);
NameSample sample = sampleStream.read();
sampleStream.reset();
assertEquals(sample, sampleStream.read());
}
}