From 247d7664612ce4c63796d4b9a28e31b7757e364b Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Fri, 13 Jun 2025 13:39:08 +0200
Subject: Hasher with SHA256 algorithm is no more the default

---
 src/hasher.rs | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

(limited to 'src/hasher.rs')

diff --git a/src/hasher.rs b/src/hasher.rs
index 028e73a..898393f 100644
--- a/src/hasher.rs
+++ b/src/hasher.rs
@@ -1,3 +1,4 @@
+#[cfg(feature = "sha256")]
 use sha2::{Digest, Sha256};
 
 pub trait Hasher {
@@ -7,6 +8,16 @@ pub trait Hasher {
 pub struct DefaultHasher;
 
 impl Hasher for DefaultHasher {
+    fn hash(&self, _input: &str) -> String {
+        "0xc0ff3".to_string()
+    }
+}
+
+#[cfg(feature = "sha256")]
+pub struct SHA256Hasher;
+
+#[cfg(feature = "sha256")]
+impl Hasher for SHA256Hasher {
     fn hash(&self, input: &str) -> String {
         let mut hasher = Sha256::new();
         hasher.update(input.as_bytes());
@@ -14,13 +25,13 @@ impl Hasher for DefaultHasher {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, feature = "sha256"))]
 mod tests {
     use super::*;
 
     #[test]
-    fn test_default_hasher_with_known_input() {
-        let hasher = DefaultHasher;
+    fn test_sha256_hasher_with_known_input() {
+        let hasher = SHA256Hasher;
         let input = "hello";
         let expected_hash = "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824";
 
@@ -30,8 +41,8 @@ mod tests {
     }
 
     #[test]
-    fn test_default_hasher_empty_string() {
-        let hasher = DefaultHasher;
+    fn test_sha256_hasher_empty_string() {
+        let hasher = SHA256Hasher;
         let input = "";
         let expected_hash = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
 
-- 
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