Tests: Add TagLib OGG tests

Author: Serial-ATA

tests/taglib/main.rs

@@ -11,8 +11,9 @@ mod test_info;
 mod test_mp4;
 mod test_mpeg;
 mod test_ogaflac;
+mod test_ogg;
+mod test_opus;
 mod test_speex;
 mod test_wav;
 mod test_wavpack;
 mod test_xiphcomment;
-mod test_opus;

tests/taglib/test_ogg.rs

@@ -0,0 +1,156 @@
+use crate::temp_file;
+use lofty::ogg::VorbisFile;
+use lofty::{Accessor, AudioFile, ParseOptions};
+
+use std::io::{Read, Seek, SeekFrom};
+
+use byteorder::{LittleEndian, ReadBytesExt};
+
+#[test]
+fn test_simple() {
+	let mut file = temp_file!("tests/taglib/data/empty.ogg");
+
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		f.vorbis_comments_mut()
+			.set_artist(String::from("The Artist"));
+		f.save_to(&mut file).unwrap();
+	}
+	file.rewind().unwrap();
+	{
+		let f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		assert_eq!(f.vorbis_comments().artist().as_deref(), Some("The Artist"));
+	}
+}
+
+#[test]
+#[ignore]
+fn test_split_packets1() {
+	// Marker test, Lofty doesn't retain packet information
+}
+
+#[test]
+fn test_split_packets2() {
+	let mut file = temp_file!("tests/taglib/data/empty.ogg");
+
+	let text = "X".repeat(60890);
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		f.vorbis_comments_mut().set_title(text.clone());
+		f.save_to(&mut file).unwrap();
+	}
+	file.rewind().unwrap();
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		assert_eq!(f.vorbis_comments().title().as_deref(), Some(&*text));
+
+		f.vorbis_comments_mut().set_title(String::from("ABCDE"));
+		f.save_to(&mut file).unwrap();
+	}
+	file.rewind().unwrap();
+	{
+		let f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		assert_eq!(f.vorbis_comments().title().as_deref(), Some("ABCDE"));
+	}
+}
+
+#[test]
+#[ignore]
+fn test_dict_interface1() {
+	// Marker test, Lofty doesn't replicate the dictionary interface
+}
+
+#[test]
+#[ignore]
+fn test_dict_interface2() {
+	// Marker test, Lofty doesn't replicate the dictionary interface
+}
+
+#[test]
+fn test_audio_properties() {
+	let mut file = temp_file!("tests/taglib/data/empty.ogg");
+	let f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+	assert_eq!(f.properties().duration().as_secs(), 3);
+	assert_eq!(f.properties().duration().as_millis(), 3685);
+	assert_eq!(f.properties().audio_bitrate(), 1);
+	assert_eq!(f.properties().channels(), 2);
+	assert_eq!(f.properties().sample_rate(), 44100);
+	assert_eq!(f.properties().version(), 0);
+	assert_eq!(f.properties().bitrate_max(), 0);
+	assert_eq!(f.properties().bitrate_nominal(), 112000);
+	assert_eq!(f.properties().bitrate_min(), 0);
+}
+
+#[test]
+fn test_page_checksum() {
+	let mut file = temp_file!("tests/taglib/data/empty.ogg");
+
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		f.vorbis_comments_mut()
+			.set_title(String::from("The Artist"));
+		f.save_to(&mut file).unwrap();
+
+		file.seek(SeekFrom::Start(0x50)).unwrap();
+		assert_eq!(file.read_u32::<LittleEndian>().unwrap(), 0x3D3BD92D);
+	}
+	file.rewind().unwrap();
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		f.vorbis_comments_mut()
+			.set_title(String::from("The Artist 2"));
+		f.save_to(&mut file).unwrap();
+
+		file.seek(SeekFrom::Start(0x50)).unwrap();
+		assert_eq!(file.read_u32::<LittleEndian>().unwrap(), 0xD985291C);
+	}
+}
+
+#[test]
+fn test_page_granule_position() {
+	let mut file = temp_file!("tests/taglib/data/empty.ogg");
+
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		// Force the Vorbis comment packet to span more than one page and
+		// check if the granule position is -1 indicating that no packets
+		// finish on this page.
+		f.vorbis_comments_mut().set_comment("A".repeat(70000));
+		f.save_to(&mut file).unwrap();
+
+		file.seek(SeekFrom::Start(0x3A)).unwrap();
+		let mut buf = [0; 6];
+		file.read_exact(&mut buf).unwrap();
+		assert_eq!(buf, *b"OggS\0\0");
+		assert_eq!(file.read_i64::<LittleEndian>().unwrap(), -1);
+	}
+	file.rewind().unwrap();
+	{
+		let mut f = VorbisFile::read_from(&mut file, ParseOptions::new()).unwrap();
+		file.rewind().unwrap();
+
+		// Use a small Vorbis comment package which ends on the seconds page and
+		// check if the granule position is zero.
+		f.vorbis_comments_mut()
+			.set_comment(String::from("A small comment"));
+		f.save_to(&mut file).unwrap();
+
+		file.seek(SeekFrom::Start(0x3A)).unwrap();
+		let mut buf = [0; 6];
+		file.read_exact(&mut buf).unwrap();
+		assert_eq!(buf, *b"OggS\0\0");
+		assert_eq!(file.read_i64::<LittleEndian>().unwrap(), 0);
+	}
+}