/*
* 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.txt;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import org.junit.Test;
public class CharsetDetectorTest {
@Test
public void testTagDropper() throws IOException {
try (InputStream in = CharsetDetectorTest.class.getResourceAsStream("/test-documents/resume.html")) {
CharsetDetector detector = new CharsetDetector();
detector.enableInputFilter(true);
detector.setText(in);
CharsetMatch[] matches = detector.detectAll();
CharsetMatch mm = null;
for (CharsetMatch m : matches) {
if (mm == null || mm.getConfidence() < m.getConfidence()) {
mm = m;
}
}
assertTrue(mm != null);
assertEquals("UTF-8", mm.getName());
}
}
/* https://issues.apache.org/jira/browse/TIKA-1248
* Verify empty or null declaredEncoding doesn't cause an exception
*
*/
@Test
public void testEmptyOrNullDeclaredCharset() throws IOException {
try (InputStream in = CharsetDetectorTest.class.getResourceAsStream("/test-documents/resume.html")) {
CharsetDetector detector = new CharsetDetector();
Reader reader = detector.getReader(in, null);
assertTrue(reader.ready());
reader = detector.getReader(in, "");
assertTrue(reader.ready());
}
}
@Test
public void testWin125XHeuristics() throws Exception {
//TIKA-2219
CharsetDetector detector = new CharsetDetector();
detector.setText(getClass().getResourceAsStream("/test-documents/testTXT_win-1252.txt"));
CharsetMatch charset = detector.detect();
assertEquals("windows-1252", charset.getName());
}
}