1// Copyright (c) 2017 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 std::convert::TryFrom;
8
9use minidom::Element;
10
11use error::Error;
12use jid::Jid;
13
14use ns;
15
16#[derive(Debug, Clone)]
17pub struct Delay {
18 pub from: Option<Jid>,
19 pub stamp: String,
20 pub data: Option<String>,
21}
22
23impl TryFrom<Element> for Delay {
24 type Error = Error;
25
26 fn try_from(elem: Element) -> Result<Delay, Error> {
27 if !elem.is("delay", ns::DELAY) {
28 return Err(Error::ParseError("This is not a delay element."));
29 }
30 for _ in elem.children() {
31 return Err(Error::ParseError("Unknown child in delay element."));
32 }
33 let from = get_attr!(elem, "from", optional);
34 let stamp = get_attr!(elem, "stamp", required);
35 let data = match elem.text().as_ref() {
36 "" => None,
37 text => Some(text.to_owned()),
38 };
39 Ok(Delay {
40 from: from,
41 stamp: stamp,
42 data: data,
43 })
44 }
45}
46
47impl Into<Element> for Delay {
48 fn into(self) -> Element {
49 Element::builder("delay")
50 .ns(ns::DELAY)
51 .attr("from", self.from.clone().and_then(|value| Some(String::from(value))))
52 .attr("stamp", self.stamp.clone())
53 .append(self.data.clone())
54 .build()
55 }
56}
57
58#[cfg(test)]
59mod tests {
60 use std::str::FromStr;
61 use super::*;
62
63 #[test]
64 fn test_simple() {
65 let elem: Element = "<delay xmlns='urn:xmpp:delay' from='capulet.com' stamp='2002-09-10T23:08:25Z'/>".parse().unwrap();
66 let delay = Delay::try_from(elem).unwrap();
67 assert_eq!(delay.from, Some(Jid::from_str("capulet.com").unwrap()));
68 assert_eq!(delay.stamp, "2002-09-10T23:08:25Z");
69 assert_eq!(delay.data, None);
70 }
71
72 #[test]
73 fn test_unknown() {
74 let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>".parse().unwrap();
75 let error = Delay::try_from(elem).unwrap_err();
76 let message = match error {
77 Error::ParseError(string) => string,
78 _ => panic!(),
79 };
80 assert_eq!(message, "This is not a delay element.");
81 }
82
83 #[test]
84 fn test_invalid_child() {
85 let elem: Element = "<delay xmlns='urn:xmpp:delay'><coucou/></delay>".parse().unwrap();
86 let error = Delay::try_from(elem).unwrap_err();
87 let message = match error {
88 Error::ParseError(string) => string,
89 _ => panic!(),
90 };
91 assert_eq!(message, "Unknown child in delay element.");
92 }
93
94 #[test]
95 fn test_serialise() {
96 let elem: Element = "<delay xmlns='urn:xmpp:delay' stamp='2002-09-10T23:08:25Z'/>".parse().unwrap();
97 let delay = Delay {
98 from: None,
99 stamp: "2002-09-10T23:08:25Z".to_owned(),
100 data: None,
101 };
102 let elem2 = delay.into();
103 assert_eq!(elem, elem2);
104 }
105
106 #[test]
107 fn test_serialise_data() {
108 let elem: Element = "<delay xmlns='urn:xmpp:delay' from='juliet@example.org' stamp='2002-09-10T23:08:25Z'>Reason</delay>".parse().unwrap();
109 let delay = Delay {
110 from: Some(Jid::from_str("juliet@example.org").unwrap()),
111 stamp: "2002-09-10T23:08:25Z".to_owned(),
112 data: Some(String::from("Reason")),
113 };
114 let elem2 = delay.into();
115 assert_eq!(elem, elem2);
116 }
117}