fix: simplify test loading and remove anyhow dependency

Author: huitseeker

Cargo.lock

@@ -14,7 +14,6 @@ categories = ["cryptography", "no-std"]
 
 [dependencies]
 digest = { version = "0.11.0-rc.0", features = ["mac"] }
-anyhow = "1.0"
 
 [dev-dependencies]
 digest = { version = "0.11.0-rc.0", features = ["dev"] }

blake2/Cargo.toml

@@ -9,7 +9,6 @@
 
 #![cfg(feature = "blake2x")]
 
-use anyhow::{Context, Result};
 use blake2::{Blake2xb, Blake2xs};
 use digest::block_api::VariableOutputCore;
 use digest::{ExtendableOutput, Update, XofReader};
@@ -38,30 +37,28 @@ fn parse_hex(s: &str) -> Vec<u8> {
     hex::decode(s).expect("Invalid hex string")
 }
 
-fn load_test_vectors(path: &str) -> Result<Vec<TestVector>> {
+fn load_test_vectors(path: &str) -> Vec<TestVector> {
     let data = fs::read_to_string(path)
-        .with_context(|| format!("Failed to read test vector file: {}", path))?;
+        .unwrap_or_else(|e| panic!("Failed to read test vector file {}: {}", path, e));
     let raw: Vec<RawTestVector> = serde_json::from_str(&data)
-        .with_context(|| format!("Failed to parse JSON in: {}", path))?;
-    Ok(raw
+        .unwrap_or_else(|e| panic!("Failed to parse JSON in {}: {}", path, e));
+    raw
         .into_iter()
         .map(|r| TestVector {
             hash: r.hash,
             input: parse_hex(&r.input),
             key: parse_hex(&r.key),
             output: parse_hex(&r.output),
         })
-        .collect())
+        .collect()
 }
 
 fn get_blake2xb_test_vectors() -> Vec<TestVector> {
     load_test_vectors("tests/data/blake2xb/blake2xb-kat.json")
-        .expect("Failed to load blake2xb test vectors")
 }
 
 fn get_blake2xs_test_vectors() -> Vec<TestVector> {
     load_test_vectors("tests/data/blake2xs/blake2xs-kat.json")
-        .expect("Failed to load blake2xs test vectors")
 }
 
 // ==== Blake2Xb Tests ====