1// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 2//
 3// This Source Code Form is subject to the terms of the Mozilla Public
 4// License, v. 2.0. If a copy of the MPL was not distributed with this
 5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 6
 7use crate::message::MessagePayload;
 8use crate::presence::PresencePayload;
 9
10generate_element!(
11    /// Unique identifier given to a MUC participant.
12    ///
13    /// It allows clients to identify a MUC participant across reconnects and
14    /// renames. It thus prevents impersonification of anonymous users.
15    OccupantId, "occupant-id", OID,
16
17    attributes: [
18        /// The id associated to the sending user by the MUC service.
19        id: Required<String> = "id",
20    ]
21);
22
23impl MessagePayload for OccupantId {}
24impl PresencePayload for OccupantId {}
25
26#[cfg(test)]
27mod tests {
28    use super::*;
29    use crate::util::error::Error;
30    use crate::Element;
31    use std::convert::TryFrom;
32
33    #[cfg(target_pointer_width = "32")]
34    #[test]
35    fn test_size() {
36        assert_size!(OccupantId, 12);
37    }
38
39    #[cfg(target_pointer_width = "64")]
40    #[test]
41    fn test_size() {
42        assert_size!(OccupantId, 24);
43    }
44
45    #[test]
46    fn test_simple() {
47        let elem: Element = "<occupant-id xmlns='urn:xmpp:occupant-id:0' id='coucou'/>"
48            .parse()
49            .unwrap();
50        let origin_id = OccupantId::try_from(elem).unwrap();
51        assert_eq!(origin_id.id, "coucou");
52    }
53
54    #[test]
55    fn test_invalid_child() {
56        let elem: Element = "<occupant-id xmlns='urn:xmpp:occupant-id:0'><coucou/></occupant-id>"
57            .parse()
58            .unwrap();
59        let error = OccupantId::try_from(elem).unwrap_err();
60        let message = match error {
61            Error::ParseError(string) => string,
62            _ => panic!(),
63        };
64        assert_eq!(message, "Unknown child in occupant-id element.");
65    }
66
67    #[test]
68    fn test_invalid_id() {
69        let elem: Element = "<occupant-id xmlns='urn:xmpp:occupant-id:0'/>"
70            .parse()
71            .unwrap();
72        let error = OccupantId::try_from(elem).unwrap_err();
73        let message = match error {
74            Error::ParseError(string) => string,
75            _ => panic!(),
76        };
77        assert_eq!(message, "Required attribute 'id' missing.");
78    }
79
80    #[test]
81    fn test_serialise() {
82        let elem: Element = "<occupant-id xmlns='urn:xmpp:occupant-id:0' id='coucou'/>"
83            .parse()
84            .unwrap();
85        let occupant_id = OccupantId {
86            id: String::from("coucou"),
87        };
88        let elem2 = occupant_id.into();
89        assert_eq!(elem, elem2);
90    }
91}