convert blockhash doctest to api test

Author: sourcefrog

src/blockhash.rs

@@ -28,22 +28,7 @@ use crate::*;
 /// The hash of a block of body data.
 ///
 /// Stored in memory as compact bytes, but translatable to and from
-/// hex strings.o
-///
-/// ```
-/// use std::str::FromStr;
-/// use conserve::blockhash::BlockHash;
-///
-/// let hex_hash = concat!(
-///     "00000000000000000000000000000000",
-///     "00000000000000000000000000000000",
-///     "00000000000000000000000000000000",
-///     "00000000000000000000000000000000",);
-/// let hash = BlockHash::from_str(hex_hash)
-///     .unwrap();
-/// let hash2 = hash.clone();
-/// assert_eq!(hash2.to_string(), hex_hash);
-/// ```
+/// hex strings.
 #[derive(Clone, Deserialize, Serialize)]
 #[serde(into = "String")]
 #[serde(try_from = "&str")]

tests/api/blockhash.rs

@@ -0,0 +1,28 @@
+// Conserve backup system.
+// Copyright 2015, 2016, 2017, 2018, 2019, 2020 Martin Pool.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+use conserve::blockhash::BlockHash;
+use std::str::FromStr;
+
+#[test]
+fn to_from_string() {
+    let hex_hash = concat!(
+        "00000000000000000000000000000000",
+        "00000000000000000000000000000000",
+        "00000000000000000000000000000000",
+        "00000000000000000000000000000000",
+    );
+    let hash = BlockHash::from_str(hex_hash).unwrap();
+    let hash2 = hash.clone();
+    assert_eq!(hash2.to_string(), hex_hash);
+}

tests/api/main.rs

@@ -14,8 +14,9 @@
 
 mod apath;
 mod backup;
+mod blockhash;
 mod damaged;
 mod delete;
-mod restore;
-mod old_archives;
 mod gc;
+mod old_archives;
+mod restore;