Fix unicode string enum

Author: ghsang

sea-orm-macros/Cargo.toml

@@ -21,7 +21,7 @@ proc-macro = true
 bae = { version = "0.2", package = "sea-bae", default-features = false, optional = true }
 syn = { version = "2", default-features = false, features = ["parsing", "proc-macro", "derive", "printing"] }
 quote = { version = "1", default-features = false }
-heck = { version = "0.4", default-features = false }
+heck = { version = "0.5", default-features = false }
 proc-macro2 = { version = "1", default-features = false }
 unicode-ident = { version = "1" }
 

sea-orm-macros/src/derives/util.rs

@@ -131,6 +131,7 @@ where
             // what guarantees this being special case avoiding
             // all potential conflicts.
             String::from("__Empty"),
+            // |s| to_upper_camel_case(&s),
             |s| s.to_upper_camel_case(),
         );
 
@@ -194,5 +195,11 @@ mod tests {
             camel_case_with_escaped_non_uax31("1 2 3"),
             "_0x310x2020x203"
         );
+
+        assert_eq!(camel_case_with_escaped_non_uax31("씨오알엠"), "씨오알엠");
+
+        assert_eq!(camel_case_with_escaped_non_uax31("A_B"), "A0x5Fb");
+
+        assert_eq!(camel_case_with_escaped_non_uax31("AB"), "Ab");
     }
 }