wrote some tests

Cargo.toml

@@ -20,6 +20,11 @@ thiserror = { version = "2.0.9" }
 [build-dependencies]
 windows_exe_info = "0.4.2"
 
+
+[dev-dependencies]
+tempfile = "3.2.0"
+
+
 [profile.release]
 lto = true
 codegen-units = 1

src/lib.rs

@@ -10,7 +10,7 @@ use std::{
 
 use dirs;
 
-fn get_download_dir() -> Result<PathBuf, errors::custom_errors::CustomError> {
+pub fn get_download_dir() -> Result<PathBuf, errors::custom_errors::CustomError> {
     match dirs::download_dir() {
         Some(pathbuf) => {
             tracing::info!("Download directory found: {:?}", pathbuf);
@@ -25,7 +25,7 @@ fn get_download_dir() -> Result<PathBuf, errors::custom_errors::CustomError> {
     }
 }
 
-fn get_content(download_dir: &Path) -> Result<fs::ReadDir, errors::custom_errors::CustomError> {
+pub fn get_content(download_dir: &Path) -> Result<fs::ReadDir, errors::custom_errors::CustomError> {
     match fs::read_dir(download_dir) {
         Ok(iterator) => {
             tracing::info!("Download directory read successfully");

src/tests/custom_tests.rs

@@ -0,0 +1,32 @@
+use std::fs::{self, File};
+use std::io::Write;
+use tempfile;
+
+use crate::{get_content, get_download_dir, run_sorting};
+
+#[test]
+fn test_get_download_dir() {
+    let result = get_download_dir();
+    assert!(result.is_ok());
+}
+
+#[test]
+fn test_get_content() {
+    let temp_dir = tempfile::tempdir().unwrap();
+    let temp_path = temp_dir.path().to_path_buf();
+    File::create(temp_path.join("testfile.txt")).unwrap();
+
+    let result = get_content(&temp_path);
+    assert!(result.is_ok());
+}
+
+#[test]
+fn test_run_sorting() {
+    let temp_dir = tempfile::tempdir().unwrap();
+    let temp_path = temp_dir.path().to_path_buf();
+    let mut file = File::create(temp_path.join("testfile.txt")).unwrap();
+    writeln!(file, "Test content").unwrap();
+
+    let result = run_sorting();
+    assert!(result.is_ok());
+}

src/tests/mod.rs

@@ -1 +1 @@
-pub mod tests;
+pub mod custom_tests;