parsers: add xso test module

Separate from the macro_tests module because it doesn't actually test
macros, it uses it as a convenience.

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

parsers/src/util/mod.rs

@@ -10,3 +10,5 @@ mod macros;
 
 #[cfg(test)]
 mod macro_tests;
+#[cfg(test)]
+mod xso_tests;

parsers/src/util/xso_tests.rs

@@ -0,0 +1,28 @@
+// Copyright (c) 2024 Maxime “pep” Buquet <pep@bouah.net>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+use xso::{AsXml, FromXml, PrintRawXml};
+
+static NS1: &str = "urn:example:ns1";
+
+#[derive(FromXml, AsXml, PartialEq, Debug, Clone)]
+#[xml(namespace = NS1, name = "text")]
+struct TextString {
+    #[xml(text)]
+    text: String,
+}
+
+#[test]
+fn printrawxml() {
+    let text = TextString {
+        text: String::from("hello world"),
+    };
+    let display = format!("{}", PrintRawXml(&text));
+    assert_eq!(
+        display,
+        "b\"<text xmlns='urn:example:ns1'>hello world</text>\""
+    );
+}