/*
* 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.tika.parser.sentiment.analysis;
import org.apache.tika.Tika;
import org.apache.tika.config.TikaConfig;
import org.apache.tika.exception.TikaConfigException;
import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.junit.Test;
import org.xml.sax.SAXException;
import java.io.ByteArrayInputStream;
import java.io.IOError;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import static org.junit.Assert.*;
/**
* Test case for {@link SentimentParser}
*/
public class SentimentParserTest {
@Test
public void endToEndTest() throws Exception {
Tika tika = getTika("tika-config-sentiment-opennlp.xml");
if (tika == null) {
return;
}
String text = "What a wonderful thought it is that" +
" some of the best days of our lives haven't happened yet.";
ByteArrayInputStream stream = new ByteArrayInputStream(text.getBytes(Charset.defaultCharset()));
Metadata md = new Metadata();
tika.parse(stream, md);
String sentiment = md.get("Sentiment");
assertNotNull(sentiment);
assertEquals("positive", sentiment);
}
@Test
public void testCategorical() throws Exception{
Tika tika = getTika("tika-config-sentiment-opennlp-cat.xml");
if (tika == null) {
return;
}
String text = "Whatever, I need some cooling off time!";
ByteArrayInputStream stream = new ByteArrayInputStream(text.getBytes(Charset.defaultCharset()));
Metadata md = new Metadata();
tika.parse(stream, md);
String sentiment = md.get("Sentiment");
assertNotNull(sentiment);
assertEquals("angry", sentiment);
}
private Tika getTika(String configXml) throws TikaException, SAXException, IOException {
try (InputStream confStream = getClass().getResourceAsStream(configXml)) {
assert confStream != null;
TikaConfig config = new TikaConfig(confStream);
return new Tika(config);
} catch (TikaConfigException e) {
//if can't connect to pull sentiment model...ignore test
if (e.getCause() != null && e.getCause() instanceof java.net.ConnectException) {
return null;
}
throw e;
}
}
}