Add assert_xml_format

src/game/move.rs

@@ -19,3 +19,13 @@ impl From<Move> for Element {
         todo!()
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::{util::assert_xml_format, game::Move};
+
+    #[test]
+    fn test_to_xml() {
+        assert_xml_format!(Move, "");
+    }
+}

src/util/assert.rs

@@ -24,4 +24,20 @@ macro_rules! assert_xml_parse {
     };
 }
 
+macro_rules! assert_xml_format {
+    ($actual:expr, $xml:expr) => {
+        {
+            use ::std::str::FromStr;
+
+            use crate::util::Element;
+
+            assert_eq!(
+                Element::try_from($actual).unwrap(),
+                Element::from_str($xml).unwrap()
+            )
+        }
+    };
+}
+
 pub(crate) use assert_xml_parse;
+pub(crate) use assert_xml_format;