/*
* 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.chunker;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import org.junit.Assert;
import org.junit.Test;
import opennlp.tools.util.MockInputStreamFactory;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
public class ChunkSampleStreamTest {
@Test
public void testReadingEvents() throws IOException {
String sample = "word11 tag11 pred11" +
'\n' +
"word12 tag12 pred12" +
'\n' +
"word13 tag13 pred13" +
'\n' +
'\n' +
"word21 tag21 pred21" +
'\n' +
"word22 tag22 pred22" +
'\n' +
"word23 tag23 pred23" +
'\n';
// First sample sentence
// Start next sample sentence
// Second sample sentence
ObjectStream<String> stringStream = new PlainTextByLineStream(
new MockInputStreamFactory(sample), StandardCharsets.UTF_8);
ObjectStream<ChunkSample> chunkStream = new ChunkSampleStream(stringStream);
// read first sample
ChunkSample firstSample = chunkStream.read();
Assert.assertEquals("word11", firstSample.getSentence()[0]);
Assert.assertEquals("tag11", firstSample.getTags()[0]);
Assert.assertEquals("pred11", firstSample.getPreds()[0]);
Assert.assertEquals("word12", firstSample.getSentence()[1]);
Assert.assertEquals("tag12", firstSample.getTags()[1]);
Assert.assertEquals("pred12", firstSample.getPreds()[1]);
Assert.assertEquals("word13", firstSample.getSentence()[2]);
Assert.assertEquals("tag13", firstSample.getTags()[2]);
Assert.assertEquals("pred13", firstSample.getPreds()[2]);
// read second sample
ChunkSample secondSample = chunkStream.read();
Assert.assertEquals("word21", secondSample.getSentence()[0]);
Assert.assertEquals("tag21", secondSample.getTags()[0]);
Assert.assertEquals("pred21", secondSample.getPreds()[0]);
Assert.assertEquals("word22", secondSample.getSentence()[1]);
Assert.assertEquals("tag22", secondSample.getTags()[1]);
Assert.assertEquals("pred22", secondSample.getPreds()[1]);
Assert.assertEquals("word23", secondSample.getSentence()[2]);
Assert.assertEquals("tag23", secondSample.getTags()[2]);
Assert.assertEquals("pred23", secondSample.getPreds()[2]);
Assert.assertNull(chunkStream.read());
chunkStream.close();
}
}