xmpp-rs/src/delay.rs
2017-04-21 04:01:14 +01:00

70 lines
2.1 KiB
Rust

use minidom::Element;
use error::Error;
use ns;
#[derive(Debug, Clone)]
pub struct Delay {
pub from: Option<String>,
pub stamp: String,
pub data: Option<String>,
}
pub fn parse_delay(root: &Element) -> Result<Delay, Error> {
if !root.is("delay", ns::DELAY) {
return Err(Error::ParseError("This is not a delay element."));
}
for _ in root.children() {
return Err(Error::ParseError("Unknown child in delay element."));
}
let from = root.attr("from").and_then(|value| value.parse().ok());
let stamp = root.attr("stamp").ok_or(Error::ParseError("Mandatory argument 'stamp' not present in delay element."))?.to_owned();
let data = match root.text().as_ref() {
"" => None,
text => Some(text.to_owned()),
};
Ok(Delay {
from: from,
stamp: stamp,
data: data,
})
}
#[cfg(test)]
mod tests {
use minidom::Element;
use error::Error;
use delay;
#[test]
fn test_simple() {
let elem: Element = "<delay xmlns='urn:xmpp:delay' from='capulet.com' stamp='2002-09-10T23:08:25Z'/>".parse().unwrap();
let delay = delay::parse_delay(&elem).unwrap();
assert_eq!(delay.from, Some(String::from("capulet.com")));
assert_eq!(delay.stamp, "2002-09-10T23:08:25Z");
assert_eq!(delay.data, None);
}
#[test]
fn test_unknown() {
let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>".parse().unwrap();
let error = delay::parse_delay(&elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "This is not a delay element.");
}
#[test]
fn test_invalid_child() {
let elem: Element = "<delay xmlns='urn:xmpp:delay'><coucou/></delay>".parse().unwrap();
let error = delay::parse_delay(&elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown child in delay element.");
}
}