Move tests for bubble sort to match standard (TheAlgorithms#174)

* Add git hooks to check format and test run

* Move tests for bubble sort to match standard

Author: horahh

Diff for: .gitconfig

@@ -0,0 +1,2 @@
+[core]
+    hooksPath = git_hooks

Diff for: git_hooks/pre-commit

@@ -0,0 +1,2 @@
+cargo fmt
+cargo test

Diff for: src/lib.rs

@@ -25,20 +25,4 @@ mod tests {
             assert!(ve2[i] <= ve2[i + 1]);
         }
     }
-    #[test]
-    fn bubble_sort() {
-        //descending
-        let mut ve1 = vec![6, 5, 4, 3, 2, 1];
-        sorting::bubble_sort(&mut ve1);
-        for i in 0..ve1.len() - 1 {
-            assert!(ve1[i] <= ve1[i + 1]);
-        }
-
-        //pre-sorted
-        let mut ve2 = vec![1, 2, 3, 4, 5, 6];
-        sorting::bubble_sort(&mut ve2);
-        for i in 0..ve2.len() - 1 {
-            assert!(ve2[i] <= ve2[i + 1]);
-        }
-    }
 }

Diff for: src/sorting/bubble_sort.rs

@@ -7,3 +7,28 @@ pub fn bubble_sort<T: Ord>(arr: &mut [T]) {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn descending() {
+        //descending
+        let mut ve1 = vec![6, 5, 4, 3, 2, 1];
+        bubble_sort(&mut ve1);
+        for i in 0..ve1.len() - 1 {
+            assert!(ve1[i] <= ve1[i + 1]);
+        }
+    }
+
+    #[test]
+    fn ascending() {
+        //pre-sorted
+        let mut ve2 = vec![1, 2, 3, 4, 5, 6];
+        bubble_sort(&mut ve2);
+        for i in 0..ve2.len() - 1 {
+            assert!(ve2[i] <= ve2[i + 1]);
+        }
+    }
+}