parsers: Allow both Jid and Nick in muc::user::Actor

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

parsers/src/muc/user.rs

@@ -92,6 +92,9 @@ pub enum Actor {
 
     /// The nickname of this user.
     Nick(String),
+
+    /// Both the full JID associated with this user and the nickname of the user.
+    JidAndNick(FullJid, String),
 }
 
 impl TryFrom<Element> for Actor {
@@ -105,9 +108,10 @@ impl TryFrom<Element> for Actor {
         let nick = get_attr!(elem, "nick", Option);
 
         match (jid, nick) {
-            (Some(_), Some(_)) | (None, None) => Err(Error::ParseError(
+            (None, None) => Err(Error::ParseError(
                 "Either 'jid' or 'nick' attribute is required.",
             )),
+            (Some(jid), Some(nick)) => Ok(Actor::JidAndNick(jid, nick)),
             (Some(jid), _) => Ok(Actor::Jid(jid)),
             (_, Some(nick)) => Ok(Actor::Nick(nick)),
         }
@@ -121,6 +125,7 @@ impl From<Actor> for Element {
         (match actor {
             Actor::Jid(jid) => elem.attr("jid", jid),
             Actor::Nick(nick) => elem.attr("nick", nick),
+            Actor::JidAndNick(jid, nick) => elem.attr("jid", jid).attr("nick", nick),
         })
         .build()
     }
@@ -456,21 +461,6 @@ mod tests {
         assert_eq!(message, "Either 'jid' or 'nick' attribute is required.");
     }
 
-    #[test]
-    fn test_actor_required_attributes2() {
-        let elem: Element = "<actor xmlns='http://jabber.org/protocol/muc#user'
-                   jid='foo@bar/baz'
-                   nick='baz'/>"
-            .parse()
-            .unwrap();
-        let error = Actor::try_from(elem).unwrap_err();
-        let message = match error {
-            Error::ParseError(string) => string,
-            _ => panic!(),
-        };
-        assert_eq!(message, "Either 'jid' or 'nick' attribute is required.");
-    }
-
     #[test]
     fn test_actor_jid() {
         let elem: Element = "<actor xmlns='http://jabber.org/protocol/muc#user'
@@ -498,6 +488,22 @@ mod tests {
         assert_eq!(nick, "baz".to_owned());
     }
 
+    #[test]
+    fn test_actor_jid_nick() {
+        let elem: Element = "<actor xmlns='http://jabber.org/protocol/muc#user'
+                   jid='foo@bar/baz'
+                   nick='baz'/>"
+            .parse()
+            .unwrap();
+        let actor = Actor::try_from(elem).unwrap();
+        let (jid, nick) = match actor {
+            Actor::JidAndNick(jid, nick) => (jid, nick),
+            _ => panic!(),
+        };
+        assert_eq!(jid, "foo@bar/baz".parse::<FullJid>().unwrap());
+        assert_eq!(nick, String::from("baz"));
+    }
+
     #[test]
     fn test_continue_simple() {
         let elem: Element = "<continue xmlns='http://jabber.org/protocol/muc#user'/>"