From 8e094b9d6031321bb84330b5d31e509e96c0346c Mon Sep 17 00:00:00 2001
From: 2-NOW <kj109888@gmail.com>
Date: Sun, 15 Oct 2023 16:24:19 +0900
Subject: [PATCH] Add test for CommitHash encoding and decoding

---
 core/src/types.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/core/src/types.rs b/core/src/types.rs
index a65eb836..3dc7548e 100644
--- a/core/src/types.rs
+++ b/core/src/types.rs
@@ -268,8 +268,15 @@ pub struct FinalizationInfo {
 
 #[cfg(test)]
 mod tests {
+    use super::CommitHash;
+    use serde_json::{from_str, to_string};
+
     #[test]
     fn en_decode_commit_hash() {
-        // TODO: test a successful encode/decode of CommitHash
+        let commit_hash = CommitHash { hash: [1; 20] };
+        let serialized = to_string(&commit_hash).unwrap();
+        assert_eq!(serialized, "\"0101010101010101010101010101010101010101\"");
+        let deserialized: CommitHash = from_str(&serialized).unwrap();
+        assert_eq!(deserialized, commit_hash);
     }
 }