Set Meta (#19)

Reviewed-on: #19
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

Cargo.toml

@@ -7,3 +7,6 @@ rust-version = "1.86"
 [dependencies]
 lofty = { version = "0.22.3" }
 icarus_models = { git = "ssh://git@git.kundeng.us/phoenix/icarus_models.git", tag = "v0.4.3" }
+
+[dev-dependencies]
+tempfile = { version = "3.19.1" }

src/lib.rs

@@ -1,123 +1,2 @@
-pub mod meta_type {
-    pub enum Type {
-        Title,
-        Artist,
-        Album,
-        Genre,
-        Year,
-        Track,
-    }
-}
-
-pub mod meta_next {
-    use lofty::file::AudioFile;
-
-    use super::*;
-
-    fn get_type(t: meta_type::Type) -> Result<String, std::io::Error> {
-        match t {
-            meta_type::Type::Title => Ok("TITLE".to_owned()),
-            meta_type::Type::Artist => Ok("ARTIST".to_owned()),
-            meta_type::Type::Album => Ok("ALBUM".to_owned()),
-            meta_type::Type::Genre => Ok("GENRE".to_owned()),
-            meta_type::Type::Year => Ok("YEAR".to_owned()),
-            meta_type::Type::Track => Ok("TRACK".to_owned()),
-        }
-    }
-
-    pub fn get_meta(t: meta_type::Type, filepath: &String) -> Result<String, std::io::Error> {
-        match std::fs::File::open(filepath) {
-            Ok(mut content) => {
-                match lofty::flac::FlacFile::read_from(
-                    &mut content,
-                    lofty::config::ParseOptions::new(),
-                ) {
-                    Ok(flac_file) => match flac_file.vorbis_comments() {
-                        Some(vb) => {
-                            let type_str: String = get_type(t).unwrap();
-                            match vb.get(&type_str) {
-                                Some(val) => Ok(val.to_owned()),
-                                None => Err(std::io::Error::new(
-                                    std::io::ErrorKind::InvalidData,
-                                    "Could not get tag data",
-                                )),
-                            }
-                        }
-                        None => Err(std::io::Error::new(
-                            std::io::ErrorKind::InvalidData,
-                            "No tags found",
-                        )),
-                    },
-                    Err(err) => Err(std::io::Error::new(
-                        std::io::ErrorKind::InvalidData,
-                        err.to_string(),
-                    )),
-                }
-            }
-            Err(err) => Err(err),
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use util::{file_exists, get_full_path};
-
-    use super::*;
-
-    mod util {
-        pub fn get_full_path(
-            directory: &String,
-            filename: &String,
-        ) -> Result<String, std::io::Error> {
-            match path_buf(directory, filename) {
-                Ok(pf) => Ok(pf.display().to_string()),
-                Err(err) => Err(err),
-            }
-        }
-
-        pub fn file_exists(directory: &String, filename: &String) -> Result<bool, std::io::Error> {
-            match path_buf(directory, filename) {
-                Ok(pf) => Ok(pf.exists()),
-                Err(err) => Err(err),
-            }
-        }
-
-        fn path_buf(
-            directory: &String,
-            filename: &String,
-        ) -> Result<std::path::PathBuf, std::io::Error> {
-            let dir_path = std::path::Path::new(&directory);
-            Ok(dir_path.join(filename))
-        }
-
-        pub fn test_file_directory() -> String {
-            String::from("tests/sample_tracks3")
-        }
-    }
-
-    #[test]
-    fn test_get_title() {
-        let filename = String::from("track01.flac");
-        let dir = util::test_file_directory();
-
-        match file_exists(&dir, &filename) {
-            Ok(_) => {
-                let filepath = get_full_path(&dir, &filename).unwrap();
-
-                match meta_next::get_meta(meta_type::Type::Title, &filepath) {
-                    Ok(title) => {
-                        let found = title == "Just roll it";
-                        assert!(found, "Meta information was not found {:?}", title);
-                    }
-                    Err(err) => {
-                        assert!(false, "Error: {:?}", err);
-                    }
-                }
-            }
-            Err(err) => {
-                assert!(false, "Error: File does not exist {:?}", err.to_string());
-            }
-        };
-    }
-}
+pub mod meta;
+pub mod types;

src/meta.rs

@@ -0,0 +1,790 @@
+use lofty::{file::AudioFile, tag::Accessor};
+
+use crate::types;
+
+fn get_type(t: types::Type) -> Result<String, std::io::Error> {
+    match t {
+        types::Type::Title => Ok("TITLE".to_owned()),
+        types::Type::Artist => Ok("ARTIST".to_owned()),
+        types::Type::Album => Ok("ALBUM".to_owned()),
+        types::Type::AlbumArtist => Ok("ALBUMARTIST".to_owned()),
+        types::Type::Genre => Ok("GENRE".to_owned()),
+        types::Type::Date => Ok("DATE".to_owned()),
+        types::Type::Track => Ok("TRACKNUMBER".to_owned()),
+        types::Type::Disc => Ok("DISCNUMBER".to_owned()),
+    }
+}
+
+pub fn get_meta(t: types::Type, filepath: &String) -> Result<String, std::io::Error> {
+    match std::fs::File::open(filepath) {
+        Ok(mut content) => {
+            match lofty::flac::FlacFile::read_from(&mut content, lofty::config::ParseOptions::new())
+            {
+                Ok(flac_file) => match flac_file.vorbis_comments() {
+                    Some(vb) => {
+                        let type_str: String = get_type(t).unwrap();
+                        match vb.get(&type_str) {
+                            Some(val) => Ok(val.to_owned()),
+                            None => Err(std::io::Error::new(
+                                std::io::ErrorKind::InvalidData,
+                                "Could not get tag data",
+                            )),
+                        }
+                    }
+                    None => Err(std::io::Error::new(
+                        std::io::ErrorKind::InvalidData,
+                        "No tags found",
+                    )),
+                },
+                Err(err) => Err(std::io::Error::new(
+                    std::io::ErrorKind::InvalidData,
+                    err.to_string(),
+                )),
+            }
+        }
+        Err(err) => Err(err),
+    }
+}
+
+pub fn set_meta(
+    t: types::Type,
+    filepath: &String,
+    value: &String,
+) -> Result<String, std::io::Error> {
+    match std::fs::File::open(filepath) {
+        Ok(mut content) => {
+            match lofty::flac::FlacFile::read_from(&mut content, lofty::config::ParseOptions::new())
+            {
+                Ok(mut flac_file) => match flac_file.vorbis_comments_mut() {
+                    Some(vb) => {
+                        let pre_value = value.clone();
+                        match t {
+                            types::Type::Album => {
+                                vb.set_album(pre_value);
+                            }
+                            types::Type::AlbumArtist => {
+                                vb.insert(get_type(t).unwrap(), pre_value);
+                            }
+                            types::Type::Artist => {
+                                vb.set_artist(pre_value);
+                            }
+                            types::Type::Date => {
+                                vb.insert(get_type(t).unwrap(), pre_value);
+                            }
+                            types::Type::Disc => {
+                                vb.set_disk(pre_value.parse().unwrap());
+                            }
+                            types::Type::Genre => {
+                                vb.set_genre(pre_value);
+                            }
+                            types::Type::Title => {
+                                vb.set_title(pre_value);
+                            }
+                            types::Type::Track => {
+                                vb.set_track(pre_value.parse().unwrap());
+                            }
+                        };
+
+                        Ok(value.to_owned())
+                    }
+                    None => Err(std::io::Error::new(
+                        std::io::ErrorKind::InvalidData,
+                        "No tags found",
+                    )),
+                },
+                Err(err) => Err(std::io::Error::new(
+                    std::io::ErrorKind::InvalidData,
+                    err.to_string(),
+                )),
+            }
+        }
+        Err(err) => Err(err),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use util::{file_exists, get_full_path};
+
+    use super::*;
+
+    mod util {
+        pub fn get_full_path(
+            directory: &String,
+            filename: &String,
+        ) -> Result<String, std::io::Error> {
+            match path_buf(directory, filename) {
+                Ok(pf) => Ok(pf.display().to_string()),
+                Err(err) => Err(err),
+            }
+        }
+
+        pub fn copy_file(
+            source_path: &String,
+            destination_path: &String,
+        ) -> Result<u64, std::io::Error> {
+            let src_path = std::path::Path::new(source_path);
+            let dest_path = std::path::Path::new(destination_path);
+
+            match std::fs::copy(src_path, dest_path) {
+                Ok(bytes) => Ok(bytes),
+                Err(err) => Err(err),
+            }
+        }
+
+        pub fn file_exists(directory: &String, filename: &String) -> Result<bool, std::io::Error> {
+            match path_buf(directory, filename) {
+                Ok(pf) => Ok(pf.exists()),
+                Err(err) => Err(err),
+            }
+        }
+
+        fn path_buf(
+            directory: &String,
+            filename: &String,
+        ) -> Result<std::path::PathBuf, std::io::Error> {
+            let dir_path = std::path::Path::new(&directory);
+            Ok(dir_path.join(filename))
+        }
+
+        pub const TESTFILEDIRECTORY: &str = "tests/sample_tracks3";
+
+        pub fn get_filename(track: i32) -> String {
+            let mut filename = String::from("track");
+
+            if track < 10 {
+                filename += "0";
+                filename += &track.to_string();
+            } else {
+                filename += &track.to_string();
+            }
+
+            filename += ".flac";
+
+            filename
+        }
+    }
+
+    mod get {
+        use super::*;
+        use crate::types;
+
+        #[test]
+        fn test_get_title() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Title, &filepath) {
+                        Ok(title) => {
+                            let found = title == "Just roll it";
+                            assert!(found, "Meta information was not found {:?}", title);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_artist() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Artist, &filepath) {
+                        Ok(artist) => {
+                            let found = artist == "KD";
+                            assert!(found, "Meta information was not found {:?}", artist);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_album() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Album, &filepath) {
+                        Ok(album) => {
+                            let found = album == "Sample Tracks 3";
+                            assert!(found, "Meta information was not found {:?}", album);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_album_artist() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::AlbumArtist, &filepath) {
+                        Ok(album_artist) => {
+                            let found = album_artist == "KD";
+                            assert!(found, "Meta information was not found {:?}", album_artist);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_genre() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Genre, &filepath) {
+                        Ok(genre) => {
+                            let found = genre == "Metal";
+                            assert!(found, "Meta information was not found {:?}", genre);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_get_year() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Date, &filepath) {
+                        Ok(date) => {
+                            let found = date == "2025-04-11";
+                            assert!(found, "Meta information was not found {:?}", date);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_track() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Track, &filepath) {
+                        Ok(track) => {
+                            let found = track == "1";
+                            assert!(found, "Meta information was not found {:?}", track);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_get_disc() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match get_meta(types::Type::Disc, &filepath) {
+                        Ok(disc) => {
+                            let found = disc == "1";
+                            assert!(found, "Meta information was not found {:?}", disc);
+                        }
+                        Err(err) => {
+                            assert!(false, "Error: {:?}", err);
+                        }
+                    }
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+    }
+
+    mod set {
+        use super::*;
+
+        #[test]
+        fn test_set_title() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Title, &filepath) {
+                            Ok(title) => {
+                                let found = title == "Just roll it";
+                                assert!(found, "Meta information was not found {:?}", title);
+                                let new_title = String::from("The wind burned her");
+
+                                match set_meta(types::Type::Title, &new_filepath, &new_title) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_title, m,
+                                            "New title does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_set_artist() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Artist, &filepath) {
+                            Ok(artist) => {
+                                let found = artist == "KD";
+                                assert!(found, "Meta information was not found {:?}", artist);
+                                let new_artist = String::from("Pilot");
+
+                                match set_meta(types::Type::Artist, &new_filepath, &new_artist) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_artist, m,
+                                            "New artist does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+
+        #[test]
+        fn test_set_album() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Album, &filepath) {
+                            Ok(title) => {
+                                let found = title == "Sample Tracks 3";
+                                assert!(found, "Meta information was not found {:?}", title);
+                                let new_album = String::from("Sample Tracks 3 Remastered");
+
+                                match set_meta(types::Type::Album, &new_filepath, &new_album) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_album, m,
+                                            "New album does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_set_album_artist() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::AlbumArtist, &filepath) {
+                            Ok(album_artist) => {
+                                let found = album_artist == "KD";
+                                assert!(found, "Meta information was not found {:?}", album_artist);
+                                let new_album_artist = String::from("Bob");
+
+                                match set_meta(
+                                    types::Type::AlbumArtist,
+                                    &new_filepath,
+                                    &new_album_artist,
+                                ) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_album_artist, m,
+                                            "New album artist does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_set_date() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Date, &filepath) {
+                            Ok(date) => {
+                                let found = date == "2025-04-11";
+                                assert!(found, "Meta information was not found {:?}", date);
+                                let new_date = String::from("2025-02-01");
+
+                                match set_meta(types::Type::Date, &new_filepath, &new_date) {
+                                    Ok(m) => {
+                                        assert_eq!(new_date, m, "New date does not match {:?}", m);
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_set_track() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Track, &filepath) {
+                            Ok(track) => {
+                                let found = track == "1";
+                                assert!(found, "Meta information was not found {:?}", track);
+                                let new_track = String::from("5");
+
+                                match set_meta(types::Type::Track, &new_filepath, &new_track) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_track, m,
+                                            "New track does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_set_disc() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Disc, &filepath) {
+                            Ok(disc) => {
+                                let found = disc == "1";
+                                assert!(found, "Meta information was not found {:?}", disc);
+                                let new_disc = String::from("2");
+
+                                match set_meta(types::Type::Disc, &new_filepath, &new_disc) {
+                                    Ok(m) => {
+                                        assert_eq!(new_disc, m, "New disc does not match {:?}", m);
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+        #[test]
+        fn test_set_genre() {
+            let filename = util::get_filename(1);
+            let dir = String::from(util::TESTFILEDIRECTORY);
+
+            let temp_file = tempfile::tempdir().expect("Could not create test directory");
+            let test_dir = String::from(temp_file.path().to_str().unwrap());
+            let test_filename = String::from("track08.flac");
+            let new_filepath = test_dir + "/" + &test_filename;
+
+            match file_exists(&dir, &filename) {
+                Ok(_) => {
+                    let filepath = get_full_path(&dir, &filename).unwrap();
+
+                    match util::copy_file(&filepath, &new_filepath) {
+                        Ok(_o) => match get_meta(types::Type::Genre, &filepath) {
+                            Ok(genre) => {
+                                let found = genre == "Metal";
+                                assert!(found, "Meta information was not found {:?}", genre);
+                                let new_genre = String::from("Blues");
+
+                                match set_meta(types::Type::Genre, &new_filepath, &new_genre) {
+                                    Ok(m) => {
+                                        assert_eq!(
+                                            new_genre, m,
+                                            "New genre does not match {:?}",
+                                            m
+                                        );
+                                    }
+                                    Err(err) => {
+                                        assert!(false, "Error: {:?}", err);
+                                    }
+                                }
+                            }
+                            Err(err) => {
+                                assert!(false, "Error: {:?}", err);
+                            }
+                        },
+                        Err(err) => {
+                            assert!(
+                                false,
+                                "Error: {:?} source {:?} destination {:?}",
+                                err, filepath, new_filepath
+                            );
+                        }
+                    };
+                }
+                Err(err) => {
+                    assert!(false, "Error: File does not exist {:?}", err.to_string());
+                }
+            };
+        }
+    }
+}

src/types.rs

@@ -0,0 +1,10 @@
+pub enum Type {
+    Title,
+    Artist,
+    Album,
+    AlbumArtist,
+    Genre,
+    Date,
+    Track,
+    Disc,
+}