[enh] replace mut ref wots by a generator closure

Cargo.lock

@@ -107,7 +107,7 @@ dependencies = [
 
 [[package]]
 name = "duniter-wotb"
-version = "0.6.1"
+version = "0.6.2"
 dependencies = [
  "bincode 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",

wotb/Cargo.toml

 [package]
 name = "duniter-wotb"
-version = "0.6.1"
+version = "0.6.2"
 authors = ["nanocryk <nanocryk@duniter.org>", "elois <elois@duniter.org>"]
 description = "Makes Web of Trust computations for the Duniter project."
 repository = "https://git.duniter.org/nodes/rust/duniter-rs"

wotb/legacy.rs

@@ -553,33 +553,6 @@ mod tests {
     /// This test is a translation of https://github.com/duniter/wotb/blob/master/tests/test.js
     #[test]
     fn wot_tests() {
-        let mut wot = LegacyWebOfTrust::new(3);
-        let mut wot2 = LegacyWebOfTrust::new(3);
-        generic_wot_test(&mut wot, &mut wot2);
-
-        // should be able to make a mem copy
-        {
-            let wot2 = wot.clone();
-
-            assert_eq!(wot.size(), wot2.size());
-            assert_eq!(
-                wot.get_non_sentries(1).len(),
-                wot2.get_non_sentries(1).len()
-            );
-        }
-
-        // serialization
-        assert_eq!(wot.legacy_to_file("test.wot"), true);
-
-        // deserialization
-        {
-            let wot2 = LegacyWebOfTrust::legacy_from_file("test.wot").unwrap();
-
-            assert_eq!(wot.size(), wot2.size());
-            assert_eq!(
-                wot.get_non_sentries(1).len(),
-                wot2.get_non_sentries(1).len()
-            );
-        }
+        generic_wot_test(LegacyWebOfTrust::new);
     }
 }

wotb/lib.rs

@@ -387,7 +387,12 @@ mod tests {
     ///
     /// Clone and file tests are not included in this generic test and should be done in
     /// the implementation test.
-    pub fn generic_wot_test<T: WebOfTrust>(wot: &mut T, wot2: &mut T) {
+    pub fn generic_wot_test<T: WebOfTrust, F>(generator: F)
+    where
+        F: Fn(usize) -> T,
+    {
+        let mut wot = generator(3);
+
         // should have an initial size of 0
         assert_eq!(wot.size(), 0);
 
@@ -764,6 +769,8 @@ mod tests {
             ()
         );
 
+        let mut wot2 = generator(3);
+
         // Read wot from file
         {
             assert_eq!(

wotb/rusty.rs

@@ -316,8 +316,6 @@ mod tests {
 
     #[test]
     fn wot_tests() {
-        let mut wot1 = RustyWebOfTrust::new(3);
-        let mut wot2 = RustyWebOfTrust::new(3);
-        generic_wot_test(&mut wot1, &mut wot2);
+        generic_wot_test(RustyWebOfTrust::new);
     }
 }