Merge pull request #18 from Cryptographic-API-Services/sha_hash_test_…

…cases

SHA test cases

tests/hashers.rs

@@ -0,0 +1,60 @@
+use std::path::Path;
+
+use cas_lib::hashers::{cas_hasher::CASHasher, sha::CASSHA};
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_sha_256_compare_fail() {
+        let path = Path::new("tests/test.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let hash = <CASSHA as CASHasher>::hash_256(file_bytes);
+
+        let path_2 = Path::new("tests/test2.docx");
+        let file_bytes_2: Vec<u8> = std::fs::read(path_2).unwrap();
+        let hash_2 = <CASSHA as CASHasher>::hash_256(file_bytes_2);
+
+        assert_ne!(hash, hash_2);
+    }
+
+    #[test]
+    fn test_sha_256_success() {
+        let path = Path::new("tests/test.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let hash = <CASSHA as CASHasher>::hash_256(file_bytes);
+
+        let path_2 = Path::new("tests/test.docx");
+        let file_bytes_2: Vec<u8> = std::fs::read(path).unwrap();
+        let hash_2 = <CASSHA as CASHasher>::hash_256(file_bytes_2);
+
+        assert_eq!(hash, hash_2);
+    }
+
+    #[test]
+    fn test_sha_512_compare_fail() {
+        let path = Path::new("tests/test.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let hash = <CASSHA as CASHasher>::hash_512(file_bytes);
+
+        let path_2 = Path::new("tests/test2.docx");
+        let file_bytes_2: Vec<u8> = std::fs::read(path_2).unwrap();
+        let hash_2 = <CASSHA as CASHasher>::hash_512(file_bytes_2);
+
+        assert_ne!(hash, hash_2);
+    }
+
+    #[test]
+    fn test_sha_512_success() {
+        let path = Path::new("tests/test.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let hash = <CASSHA as CASHasher>::hash_512(file_bytes);
+
+        let path_2 = Path::new("tests/test.docx");
+        let file_bytes_2: Vec<u8> = std::fs::read(path).unwrap();
+        let hash_2 = <CASSHA as CASHasher>::hash_512(file_bytes_2);
+
+        assert_eq!(hash, hash_2);
+    }
+}

tests/test2.docx

@@ -0,0 +1 @@
+This is a test document for various cryptographic hashing.