1// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
 2// Copyright (c) 2017 Maxime “pep” Buquet <pep+code@bouah.net>
 3//
 4// This Source Code Form is subject to the terms of the Mozilla Public
 5// License, v. 2.0. If a copy of the MPL was not distributed with this
 6// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 7
 8use minidom::Element;
 9
10use error::Error;
11
12use ns;
13
14#[derive(Debug, Clone)]
15pub struct Ping;
16
17pub fn parse_ping(root: &Element) -> Result<Ping, Error> {
18    if !root.is("ping", ns::PING) {
19        return Err(Error::ParseError("This is not a ping element."));
20    }
21
22    for _ in root.children() {
23        return Err(Error::ParseError("Unknown child in ping element."));
24    }
25    Ok(Ping {  })
26}
27
28pub fn serialise_ping() -> Element {
29    Element::builder("ping").ns(ns::PING).build()
30}
31
32#[cfg(test)]
33mod tests {
34    use minidom::Element;
35    use error::Error;
36    use ping;
37
38    #[test]
39    fn test_simple() {
40        let elem: Element = "<ping xmlns='urn:xmpp:ping'/>".parse().unwrap();
41        ping::parse_ping(&elem).unwrap();
42    }
43
44    #[test]
45    fn test_invalid() {
46        let elem: Element = "<ping xmlns='urn:xmpp:ping'><coucou/></ping>".parse().unwrap();
47        let error = ping::parse_ping(&elem).unwrap_err();
48        let message = match error {
49            Error::ParseError(string) => string,
50            _ => panic!(),
51        };
52        assert_eq!(message, "Unknown child in ping element.");
53    }
54
55    #[test]
56    #[ignore]
57    fn test_invalid_attribute() {
58        let elem: Element = "<ping xmlns='urn:xmpp:ping' coucou=''/>".parse().unwrap();
59        let error = ping::parse_ping(&elem).unwrap_err();
60        let message = match error {
61            Error::ParseError(string) => string,
62            _ => panic!(),
63        };
64        assert_eq!(message, "Unknown attribute in ping element.");
65    }
66}