Remove unnecessary heap allocations in log-entry-matching tests

[rust-lightning] / lightning / src / onion_message / functional_tests.rs

diff --git a/lightning/src/onion_message/functional_tests.rs b/lightning/src/onion_message/functional_tests.rs
index a2f045c3691df5b534121a60c2495c4254a5b415..89582305c2107baabcce522937ab13f793b0efbc 100644 (file)
--- a/lightning/src/onion_message/functional_tests.rs
+++ b/lightning/src/onion_message/functional_tests.rs
@@ -104,8 +104,8 @@ fn pass_along_path(path: &Vec<MessengerNode>, expected_path_id: Option<[u8; 32]>
                node.messenger.handle_onion_message(&prev_node.get_node_pk(), &onion_msg);
                if idx == num_nodes - 1 {
                        node.logger.assert_log_contains(
-                               "lightning::onion_message::messenger".to_string(),
-                               format!("Received an onion message with path_id: {:02x?}", expected_path_id).to_string(), 1);
+                               "lightning::onion_message::messenger",
+                               &format!("Received an onion message with path_id: {:02x?}", expected_path_id), 1);
                }
                prev_node = node;
        }
@@ -218,8 +218,8 @@ fn reply_path() {
        pass_along_path(&nodes, None);
        // Make sure the last node successfully decoded the reply path.
        nodes[3].logger.assert_log_contains(
-               "lightning::onion_message::messenger".to_string(),
-               format!("Received an onion message with path_id None and a reply_path").to_string(), 1);
+               "lightning::onion_message::messenger",
+               &format!("Received an onion message with path_id None and a reply_path"), 1);
 
        // Destination::BlindedPath
        let blinded_path = BlindedPath::new(&[nodes[1].get_node_pk(), nodes[2].get_node_pk(), nodes[3].get_node_pk()], &*nodes[3].keys_manager, &secp_ctx).unwrap();
@@ -228,8 +228,8 @@ fn reply_path() {
        nodes[0].messenger.send_onion_message(&[], Destination::BlindedPath(blinded_path), OnionMessageContents::Custom(test_msg), Some(reply_path)).unwrap();
        pass_along_path(&nodes, None);
        nodes[3].logger.assert_log_contains(
-               "lightning::onion_message::messenger".to_string(),
-               format!("Received an onion message with path_id None and a reply_path").to_string(), 2);
+               "lightning::onion_message::messenger",
+               &format!("Received an onion message with path_id None and a reply_path"), 2);
 }
 
 #[test]