1use minidom::Element;
 2
 3use error::Error;
 4
 5use ns;
 6
 7#[derive(Debug, Clone)]
 8pub enum Attention {
 9    Attention,
10}
11
12pub fn parse_attention(root: &Element) -> Result<Attention, Error> {
13    if !root.is("attention", ns::ATTENTION) {
14        return Err(Error::ParseError("This is not an attention element."));
15    }
16    for _ in root.children() {
17        return Err(Error::ParseError("Unknown child in attention element."));
18    }
19    Ok(Attention::Attention)
20}
21
22#[cfg(test)]
23mod tests {
24    use minidom::Element;
25    use error::Error;
26    use attention;
27
28    #[test]
29    fn test_simple() {
30        let elem: Element = "<attention xmlns='urn:xmpp:attention:0'/>".parse().unwrap();
31        attention::parse_attention(&elem).unwrap();
32    }
33
34    #[test]
35    fn test_invalid_child() {
36        let elem: Element = "<attention xmlns='urn:xmpp:attention:0'><coucou/></attention>".parse().unwrap();
37        let error = attention::parse_attention(&elem).unwrap_err();
38        let message = match error {
39            Error::ParseError(string) => string,
40            _ => panic!(),
41        };
42        assert_eq!(message, "Unknown child in attention element.");
43    }
44}