adds test

lootalot_db/src/lib.rs

@@ -272,6 +272,26 @@ mod tests {
         assert_eq!(group.name, "Groupe".to_string());
     }
 
+    #[test]
+    fn test_player_updates_wealth() {
+        let conn = test_connection();
+        DbApi::with_conn(&conn).as_admin()
+            .add_player("PlayerName".to_string(), 403.21)
+            .unwrap();
+        let diff = DbApi::with_conn(&conn).as_player(1)
+            .update_wealth(-401.21).unwrap()
+            .response.unwrap();
+        // Check the returned diff
+        assert_eq!(diff, (-1, -2, -1, -4));
+        let players = DbApi::with_conn(&conn).fetch_players().unwrap();
+        let player = players.get(1).unwrap();
+        // Check that we can add old value to return diff to get resulting value
+        assert_eq!(
+            (player.cp, player.sp, player.gp, player.pp),
+            (1 + diff.0, 2 + diff.1, 3 + diff.2, 4 + diff.3)
+        );
+    }
+
     #[test]
     fn test_add_player() {
         let conn = test_connection();