...

src/protocol.rs

@@ -159,18 +159,21 @@ impl Protocol {
     }
 
     fn parse_usize(protocol: &str) -> Result<usize, DBError> {
-        match protocol.len() {
-            0 => Err(DBError(format!("parse usize error: {:?}", protocol))),
-            _ => Ok(protocol
+        if protocol.is_empty() {
+            Err(DBError("Cannot parse usize from empty string".to_string()))
+        } else {
+            protocol
                 .parse::<usize>()
-                .map_err(|_| DBError(format!("parse usize error: {}", protocol)))?),
+                .map_err(|_| DBError(format!("Failed to parse usize from: {}", protocol)))
         }
     }
 
     fn parse_string(protocol: &str) -> Result<String, DBError> {
-        match protocol.len() {
-            0 => Err(DBError(format!("parse usize error: {:?}", protocol))),
-            _ => Ok(protocol.to_string()),
+        if protocol.is_empty() {
+            // Allow empty strings, but handle appropriately
+            Ok("".to_string())
+        } else {
+            Ok(protocol.to_string())
         }
     }
 }