1 files changed, 16 insertions, 5 deletions
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";