/*
* 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.mp3;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.metadata.XMPDM;
import org.apache.tika.parser.AutoDetectParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.apache.tika.sax.BodyContentHandler;
import org.junit.Test;
import org.xml.sax.ContentHandler;
/**
* Test case for parsing mp3 files.
*/
public class Mp3ParserTest {
/**
* Checks the duration of an MP3 file.
* @param metadata the metadata object
* @param expected the expected duration, rounded as seconds
*/
private static void checkDuration(Metadata metadata, int expected) {
assertEquals("Wrong duration", expected,
Math.round(Float.valueOf(metadata.get(XMPDM.DURATION)) / 1000));
}
/**
* Test that with only ID3v1 tags, we get some information out
*/
@Test
public void testMp3ParsingID3v1() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3id3v1.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Test Title", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Test Title"));
assertTrue(content.contains("Test Artist"));
assertTrue(content.contains("Test Album"));
assertTrue(content.contains("2008"));
assertTrue(content.contains("Test Comment"));
assertTrue(content.contains("Rock"));
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("1", metadata.get("channels"));
checkDuration(metadata, 2);
}
/**
* Test that with only ID3v2 tags, we get the full
* set of information out.
*/
@Test
public void testMp3ParsingID3v2() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3id3v2.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
// Check core properties
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Test Title", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist", metadata.get(Metadata.AUTHOR));
// Check the textual contents
String content = handler.toString();
assertTrue(content.contains("Test Title"));
assertTrue(content.contains("Test Artist"));
assertTrue(content.contains("Test Album"));
assertTrue(content.contains("2008"));
assertTrue(content.contains("Test Comment"));
assertTrue(content.contains("Rock"));
// Check un-typed audio properties
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("1", metadata.get("channels"));
// Check XMPDM-typed audio properties
assertEquals("Test Album", metadata.get(XMPDM.ALBUM));
assertEquals("Test Artist", metadata.get(XMPDM.ARTIST));
assertEquals(null, metadata.get(XMPDM.COMPOSER));
assertEquals("2008", metadata.get(XMPDM.RELEASE_DATE));
assertEquals("Rock", metadata.get(XMPDM.GENRE));
assertEquals("XXX - ID3v1 Comment\nTest Comment", metadata.get(XMPDM.LOG_COMMENT.getName()));
assertEquals("1", metadata.get(XMPDM.TRACK_NUMBER));
assertEquals("44100", metadata.get(XMPDM.AUDIO_SAMPLE_RATE));
assertEquals("Mono", metadata.get(XMPDM.AUDIO_CHANNEL_TYPE));
assertEquals("MP3", metadata.get(XMPDM.AUDIO_COMPRESSOR));
checkDuration(metadata, 2);
}
/**
* Test that with both id3v2 and id3v1, we prefer the
* details from id3v2
*/
@Test
public void testMp3ParsingID3v1v2() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3id3v1_v2.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Test Title", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Test Title"));
assertTrue(content.contains("Test Artist"));
assertTrue(content.contains("Test Album"));
assertTrue(content.contains("2008"));
assertTrue(content.contains("Test Comment"));
assertTrue(content.contains("Rock"));
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("1", metadata.get("channels"));
checkDuration(metadata, 2);
}
/**
* Test that with only ID3v2 tags, of version 2.4, we get the full
* set of information out.
*/
@Test
public void testMp3ParsingID3v24() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3id3v24.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Test Title", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Test Title"));
assertTrue(content.contains("Test Artist"));
assertTrue(content.contains("Test Album"));
assertTrue(content.contains("2008"));
assertTrue(content.contains("Test Comment"));
assertTrue(content.contains("Rock"));
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("1", metadata.get("channels"));
checkDuration(metadata, 2);
}
/**
* Tests that a file with characters not in the ISO 8859-1
* range is correctly handled
*/
@Test
public void testMp3ParsingID3i18n() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3i18n.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Une chason en Fran\u00e7ais", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist \u2468\u2460", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist \u2468\u2460", metadata.get(Metadata.AUTHOR));
assertEquals("Test Artist \u2468\u2460", metadata.get(XMPDM.ARTIST));
assertEquals("Test Album \u2460\u2468", metadata.get(XMPDM.ALBUM));
assertEquals(
"Eng - Comment Desc\nThis is a \u1357\u2468\u2460 Comment",
metadata.get(XMPDM.LOG_COMMENT)
);
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("1", metadata.get("channels"));
checkDuration(metadata, 2);
}
/**
* Tests that a file with both lyrics and
* ID3v2 tags gets both extracted correctly
*/
@Test
public void testMp3ParsingLyrics() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
// Note - our test file has a lyrics tag, but lacks any
// lyrics in the tags, so we can't test that bit
// TODO Find a better sample file
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3lyrics.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Test Title", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Test Artist", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Test Artist", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Test Title"));
assertTrue(content.contains("Test Artist"));
assertTrue(content.contains("Test Album"));
assertTrue(content.contains("2008"));
assertTrue(content.contains("Test Comment"));
assertTrue(content.contains("Rock"));
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("2", metadata.get("channels"));
checkDuration(metadata, 1);
}
@Test
public void testID3v2Frame() throws Exception {
byte[] empty = new byte[] {
0x49, 0x44, 0x33, 3, 1, 0,
0, 0, 0, 0
};
assertEquals(11, ID3v2Frame.getInt(new byte[] {0,0,0,0x0b}));
assertEquals(257, ID3v2Frame.getInt(new byte[] {0,0,1,1}));
ID3v2Frame f = (ID3v2Frame)
ID3v2Frame.createFrameIfPresent(new ByteArrayInputStream(empty));
assertEquals(3, f.getMajorVersion());
assertEquals(1, f.getMinorVersion());
assertEquals(0, f.getFlags());
assertEquals(0, f.getLength());
assertEquals(0, f.getData().length);
assertEquals("", ID3v2Frame.getTagString(f.getData(), 0, 0));
assertEquals("", ID3v2Frame.getTagString(new byte[] {0,0,0,0}, 0, 3));
assertEquals("A", ID3v2Frame.getTagString(new byte[] {(byte)'A',0,0,0}, 0, 3));
}
/**
* This test will do nothing, unless you've downloaded the
* mp3 file from TIKA-424 - the file cannot be
* distributed with Tika.
* This test will check for the complicated set of ID3v2.4
* tags.
*/
@Test
public void testTIKA424() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/test2.mp3");
if(stream == null) {
// You haven't downloaded the file
// Skip the test
return;
}
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Plus loin vers l'ouest", metadata.get(TikaCoreProperties.TITLE));
assertEquals("Merzhin", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("Merzhin", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Plus loin vers l'ouest"));
assertEquals("MPEG 3 Layer III Version 1", metadata.get("version"));
assertEquals("44100", metadata.get("samplerate"));
assertEquals("2", metadata.get("channels"));
}
/**
* This tests that we can handle without errors (but perhaps not
* all content) a file with a very very large ID3 frame that
* has been truncated before the end of the ID3 tags.
* In this case, it is a file with JPEG data in the ID3, which
* is trunacted before the end of the JPEG bit of the ID3 frame.
*/
@Test
public void testTIKA474() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testMP3truncated.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
// Check we could get the headers from the start
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("Girl you have no faith in medicine", metadata.get(TikaCoreProperties.TITLE));
assertEquals("The White Stripes", metadata.get(TikaCoreProperties.CREATOR));
assertEquals("The White Stripes", metadata.get(Metadata.AUTHOR));
String content = handler.toString();
assertTrue(content.contains("Girl you have no faith in medicine"));
assertTrue(content.contains("The White Stripes"));
assertTrue(content.contains("Elephant"));
assertTrue(content.contains("2003"));
// File lacks any audio frames, so we can't know these
assertEquals(null, metadata.get("version"));
assertEquals(null, metadata.get("samplerate"));
assertEquals(null, metadata.get("channels"));
}
// TIKA-1024
@Test
public void testNakedUTF16BOM() throws Exception {
Parser parser = new AutoDetectParser(); // Should auto-detect!
ContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
InputStream stream = Mp3ParserTest.class.getResourceAsStream(
"/test-documents/testNakedUTF16BOM.mp3");
try {
parser.parse(stream, handler, metadata, new ParseContext());
} finally {
stream.close();
}
assertEquals("audio/mpeg", metadata.get(Metadata.CONTENT_TYPE));
assertEquals("", metadata.get(XMPDM.GENRE));
}
}