test(domain): assert IllegalTransition Display message

2026-06-02 13:14:37 +02:00
parent 59400062ae
commit 5e2ebbc8d9
1 changed files with 5 additions and 0 deletions
@@ -180,6 +180,11 @@ mod tests {
                to: Draft
            })
        );
+        // the Display message is the user-visible surface of the error
+        assert_eq!(
+            Draft.transition_to(Public).unwrap_err().to_string(),
+            "illegal visibility transition: draft -> public"
+        );
    }

    #[test]