added tests

src-tauri/src/models.rs

@@ -139,3 +139,52 @@ pub fn delete_model(path: &str) -> Result<(), String> {
 
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::path::PathBuf;
+
+    #[test]
+    fn test_dir_size_empty() {
+        let size = dir_size(&PathBuf::from("/nonexistent/path/12345"));
+        assert_eq!(size, 0);
+    }
+
+    #[test]
+    fn test_scan_whisper_models_empty() {
+        let models = scan_whisper_models();
+        // In CI there won't be any whisper models
+        // Just verify it doesn't panic
+        assert!(models.len() >= 0);
+    }
+
+    #[test]
+    fn test_scan_llm_models_empty() {
+        let models = scan_llm_models(&PathBuf::from("/nonexistent/app_data"));
+        assert!(models.is_empty());
+    }
+
+    #[test]
+    fn test_list_models_empty() {
+        let models = list_models(&PathBuf::from("/nonexistent/app_data"));
+        // No models should be found in a non-existent directory
+        let whisper_models = models.iter().filter(|m| m.kind == "whisper").count();
+        let llm_models = models.iter().filter(|m| m.kind == "llm").count();
+        assert_eq!(llm_models, 0);
+        // whisper models may or may not exist on dev machine
+        assert!(whisper_models >= 0);
+    }
+
+    #[test]
+    fn test_delete_model_nonexistent() {
+        let result = delete_model("/nonexistent/model/path.gguf");
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn test_delete_model_empty_path() {
+        let result = delete_model("");
+        assert!(result.is_err());
+    }
+}