Add a basic test showing the radio link rematching working on plain text.

src/parser/radio_link.rs

@@ -62,7 +62,6 @@ pub fn rematch_target<'r, 's>(
                 let (new_remaining, new_match) = plaintext.rematch_object(context, remaining)?;
                 remaining = new_remaining;
                 new_matches.push(new_match);
-
             }
             _ => {
                 return Err(nom::Err::Error(CustomError::MyError(MyError(
@@ -112,3 +111,44 @@ pub trait RematchObject {
         input: &'s str,
     ) -> Res<&'s str, Object<'s>>;
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::parser::element_parser::element;
+    use crate::parser::parser_context::ContextElement;
+    use crate::parser::parser_context::ContextTree;
+    use crate::parser::parser_with_context::parser_with_context;
+    use crate::parser::source::Source;
+    use crate::parser::PlainText;
+
+    #[test]
+    fn plain_text_radio_target() {
+        let input = "foo bar baz";
+        let initial_context: ContextTree<'_, '_> = ContextTree::new();
+        let document_context = initial_context
+            .with_additional_node(ContextElement::DocumentRoot(input))
+            .with_additional_node(ContextElement::RadioTarget(vec![vec![Object::PlainText(
+                PlainText { source: "bar" },
+            )]]));
+        let paragraph_matcher = parser_with_context!(element(true))(&document_context);
+        let (remaining, first_paragraph) = paragraph_matcher(input).expect("Parse first paragraph");
+        let first_paragraph = match first_paragraph {
+            crate::parser::Element::Paragraph(paragraph) => paragraph,
+            _ => panic!("Should be a paragraph!"),
+        };
+        assert_eq!(remaining, "");
+        assert_eq!(first_paragraph.get_source(), "foo bar baz");
+        assert_eq!(first_paragraph.children.len(), 3);
+        assert_eq!(
+            first_paragraph
+                .children
+                .get(1)
+                .expect("Len already asserted to be 3"),
+            &Object::RadioLink(RadioLink {
+                source: "bar",
+                children: vec![Object::PlainText(PlainText { source: "bar" })]
+            })
+        );
+    }
+}