diff --git a/src/lib.rs b/src/lib.rs
index 34ee6e6..c27f28d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,75 @@
 pub mod meta;
 pub mod properties;
 pub mod types;
+
+pub mod test_util {
+    pub mod util {
+
+        use std::io::{self, Write};
+
+        // Function to save a Vec<u8> to a file
+        pub fn save_bytes_to_file(bytes: &[u8], file_path: &String) -> io::Result<()> {
+            let file = std::path::Path::new(file_path);
+            let mut file = std::fs::File::create(file)?;
+
+            match file.write_all(bytes) {
+                Ok(_res) => Ok(()),
+                Err(err) => Err(err),
+            }
+        }
+        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
+        }
+    }
+}
diff --git a/src/meta.rs b/src/meta.rs
index 3deb1a3..85e00c2 100644
--- a/src/meta.rs
+++ b/src/meta.rs
@@ -275,84 +275,15 @@ pub mod metadata {
 
 #[cfg(test)]
 mod tests {
-    use util::{file_exists, get_full_path};
 
     use super::*;
 
-    mod util {
-
-        use std::io::{self, Write};
-
-        // Function to save a Vec<u8> to a file
-        pub fn save_bytes_to_file(bytes: &[u8], file_path: &String) -> io::Result<()> {
-            let file = std::path::Path::new(file_path);
-            let mut file = std::fs::File::create(file)?;
-
-            match file.write_all(bytes) {
-                Ok(_res) => Ok(()),
-                Err(err) => Err(err),
-            }
-        }
-        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::metadata::get_meta;
-        use super::*;
         use crate::types;
+        use crate::test_util::util;
+        use crate::test_util::util::{file_exists, get_full_path};
 
         #[test]
         fn test_get_title() {
@@ -606,8 +537,9 @@ mod tests {
 
     mod set {
         use super::metadata::{get_meta, set_meta};
-        use super::*;
         use crate::types;
+        use crate::test_util::util;
+        use crate::test_util::util::{file_exists, get_full_path};
 
         #[test]
         fn test_set_title() {
@@ -1143,6 +1075,8 @@ mod tests {
     mod pictures {
 
         use super::*;
+        use crate::test_util::util;
+        use crate::test_util::util::{file_exists, get_full_path};
 
         #[test]
         fn test_get_picture() {
diff --git a/src/properties.rs b/src/properties.rs
index 90ed30b..b2531ac 100644
--- a/src/properties.rs
+++ b/src/properties.rs
@@ -21,3 +21,7 @@ pub fn get_duration(song_path: &String) -> Result<std::time::Duration,std::io::E
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+}