Improve coverage a bit

ipa-core/src/helpers/mod.rs

@@ -713,6 +713,23 @@ mod tests {
         }
     }
 
+    mod helper_identity_tests {
+        use ipa_metrics::LabelValue;
+
+        use crate::helpers::HelperIdentity;
+
+        #[test]
+        fn label_value() {
+            for (id, hash) in [
+                (HelperIdentity::ONE, 1),
+                (HelperIdentity::TWO, 2),
+                (HelperIdentity::THREE, 3),
+            ] {
+                assert_eq!(id.boxed().hash(), hash);
+            }
+        }
+    }
+
     mod role_assignment_tests {
         use crate::{
             ff::Fp31,

ipa-core/src/protocol/context/mod.rs

@@ -744,6 +744,8 @@ mod tests {
 
         let input_size = input.len();
         let snapshot = world.metrics_snapshot();
+        // this will print all metrics if test fails
+        snapshot.print(&mut std::io::stdout()).unwrap();
 
         // for semi-honest protocols, amplification factor per helper is 1.
         // that is, for every communication, there is exactly one send and receive of the same data