fix(fractional): fix integration tests after return type change to Value

Update two callers in integration_tests.rs that assumed fractional()
returned String — now it returns serde_json::Value.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Signed-off-by: Simon Schrottner <simon.schrottner@dynatrace.com>

Author: aepfli

.gitignore

@@ -47,3 +47,4 @@ temp/
 Thumbs.db
 ehthumbs.db
 Desktop.ini
+worktrees/

src/operators/fractional.rs

@@ -386,15 +386,22 @@ mod tests {
         } else {
             json!("high")
         };
-        assert_eq!(result, expected, "bucket assignment must match the spec formula");
+        assert_eq!(
+            result, expected,
+            "bucket assignment must match the spec formula"
+        );
     }
 
     #[test]
     fn test_fractional_boolean_bucket_names() {
         // Boolean values are valid bucket names — used when fractional is a condition
         let buckets = vec![json!(false), json!(0u64), json!(true), json!(100u64)];
         let result = fractional("any-key", &buckets).unwrap();
-        assert_eq!(result, json!(true), "100% weight on true must always select true");
+        assert_eq!(
+            result,
+            json!(true),
+            "100% weight on true must always select true"
+        );
     }
 
     #[test]

testbed

@@ -1616,8 +1616,8 @@ fn test_fractional_distribution_uniformity() {
     // 100k sequential keys — dense sample, fast, and tight enough for 10% tolerance.
     for i in 0u64..100_000 {
         let key = format!("{}", i);
-        let bucket_str = fractional(&key, &bucket_defs).unwrap();
-        let bucket_idx: usize = bucket_str.parse().unwrap();
+        let bucket_val = fractional(&key, &bucket_defs).unwrap();
+        let bucket_idx: usize = bucket_val.as_str().unwrap().parse().unwrap();
         hits[bucket_idx] += 1;
     }
 
@@ -1656,7 +1656,7 @@ fn test_fractional_boundary_hashes_do_not_panic() {
         let result = fractional(key, &buckets);
         assert!(result.is_ok(), "key={key:?} should not error: {:?}", result);
         assert!(
-            ["a", "b", "c", "d"].contains(&result.unwrap().as_str()),
+            ["a", "b", "c", "d"].contains(&result.unwrap().as_str().unwrap()),
             "key={key:?} must map to a valid bucket"
         );
     }