1// Copyright (c) 2022 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::util::helpers::Text;
 9
10generate_element!(
11    /// Container for a set of reactions.
12    Reactions, "reactions", REACTIONS,
13    attributes: [
14        /// The id of the message these reactions apply to.
15        id: Required<String> = "id",
16    ],
17    children: [
18        /// The list of reactions.
19        reactions: Vec<Reaction> = ("reaction", REACTIONS) => Reaction,
20    ]
21);
22
23impl MessagePayload for Reactions {}
24
25generate_element!(
26    /// One emoji reaction.
27    Reaction, "reaction", REACTIONS,
28    text: (
29        /// The text of this reaction.
30        emoji: Text<String>
31    )
32);
33
34#[cfg(test)]
35mod tests {
36    use super::*;
37    use crate::Element;
38    use std::convert::{TryFrom, TryInto};
39
40    #[cfg(target_pointer_width = "32")]
41    #[test]
42    fn test_size() {
43        assert_size!(Reactions, 24);
44        assert_size!(Reaction, 12);
45    }
46
47    #[cfg(target_pointer_width = "64")]
48    #[test]
49    fn test_size() {
50        assert_size!(Reactions, 48);
51        assert_size!(Reaction, 24);
52    }
53
54    #[test]
55    fn test_empty() {
56        let elem: Element = "<reactions xmlns='urn:xmpp:reactions:0' id='foo'/>"
57            .parse()
58            .unwrap();
59        let elem2 = elem.clone();
60        let reactions = Reactions::try_from(elem2).unwrap();
61        assert_eq!(reactions.id, "foo");
62        assert_eq!(reactions.reactions.len(), 0);
63    }
64
65    #[test]
66    fn test_multi() {
67        let elem: Element =
68            "<reactions xmlns='urn:xmpp:reactions:0' id='foo'><reaction>👋</reaction><reaction>🐢</reaction></reactions>"
69                .parse()
70                .unwrap();
71        let elem2 = elem.clone();
72        let reactions = Reactions::try_from(elem2).unwrap();
73        assert_eq!(reactions.id, "foo");
74        assert_eq!(reactions.reactions.len(), 2);
75        let [hand, turtle]: [Reaction; 2] = reactions.reactions.try_into().unwrap();
76        assert_eq!(hand.emoji, "👋");
77        assert_eq!(turtle.emoji, "🐢");
78    }
79
80    #[test]
81    fn test_zwj_emoji() {
82        let elem: Element =
83            "<reactions xmlns='urn:xmpp:reactions:0' id='foo'><reaction>👩🏾‍❤️‍👩🏼</reaction></reactions>"
84                .parse()
85                .unwrap();
86        let elem2 = elem.clone();
87        let mut reactions = Reactions::try_from(elem2).unwrap();
88        assert_eq!(reactions.id, "foo");
89        assert_eq!(reactions.reactions.len(), 1);
90        let reaction = reactions.reactions.pop().unwrap();
91        assert_eq!(
92            reaction.emoji,
93            "\u{1F469}\u{1F3FE}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F469}\u{1F3FC}"
94        );
95    }
96}