119 lines
3.8 KiB
Rust
119 lines
3.8 KiB
Rust
// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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use minidom::{Element, IntoElements, ElementEmitter};
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use error::Error;
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use jid::Jid;
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use ns;
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#[derive(Debug, Clone)]
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pub struct Delay {
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pub from: Option<Jid>,
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pub stamp: String,
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pub data: Option<String>,
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}
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pub fn parse_delay(root: &Element) -> Result<Delay, Error> {
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if !root.is("delay", ns::DELAY) {
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return Err(Error::ParseError("This is not a delay element."));
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}
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for _ in root.children() {
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return Err(Error::ParseError("Unknown child in delay element."));
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}
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let from = root.attr("from").and_then(|value| value.parse().ok());
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let stamp = root.attr("stamp").ok_or(Error::ParseError("Mandatory argument 'stamp' not present in delay element."))?.to_owned();
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let data = match root.text().as_ref() {
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"" => None,
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text => Some(text.to_owned()),
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};
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Ok(Delay {
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from: from,
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stamp: stamp,
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data: data,
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})
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}
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pub fn serialise(delay: &Delay) -> Element {
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Element::builder("delay")
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.ns(ns::DELAY)
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.attr("from", delay.from.clone().and_then(|value| Some(String::from(value))))
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.attr("stamp", delay.stamp.clone())
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.append(delay.data.clone())
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.build()
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}
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impl IntoElements for Delay {
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fn into_elements(self, emitter: &mut ElementEmitter) {
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let elem = serialise(&self);
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emitter.append_child(elem)
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}
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}
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#[cfg(test)]
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mod tests {
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use std::str::FromStr;
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use minidom::Element;
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use error::Error;
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use jid::Jid;
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use delay;
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#[test]
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fn test_simple() {
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let elem: Element = "<delay xmlns='urn:xmpp:delay' from='capulet.com' stamp='2002-09-10T23:08:25Z'/>".parse().unwrap();
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let delay = delay::parse_delay(&elem).unwrap();
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assert_eq!(delay.from, Some(Jid::from_str("capulet.com").unwrap()));
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assert_eq!(delay.stamp, "2002-09-10T23:08:25Z");
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assert_eq!(delay.data, None);
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}
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#[test]
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fn test_unknown() {
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let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>".parse().unwrap();
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let error = delay::parse_delay(&elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "This is not a delay element.");
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}
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#[test]
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fn test_invalid_child() {
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let elem: Element = "<delay xmlns='urn:xmpp:delay'><coucou/></delay>".parse().unwrap();
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let error = delay::parse_delay(&elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Unknown child in delay element.");
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}
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#[test]
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fn test_serialise() {
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let elem: Element = "<delay xmlns='urn:xmpp:delay' stamp='2002-09-10T23:08:25Z'/>".parse().unwrap();
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let delay = delay::Delay {
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from: None,
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stamp: "2002-09-10T23:08:25Z".to_owned(),
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data: None,
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};
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let elem2 = delay::serialise(&delay);
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assert_eq!(elem, elem2);
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}
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#[test]
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fn test_serialise_data() {
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let elem: Element = "<delay xmlns='urn:xmpp:delay' from='juliet@example.org' stamp='2002-09-10T23:08:25Z'>Reason</delay>".parse().unwrap();
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let delay = delay::Delay {
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from: Some(Jid::from_str("juliet@example.org").unwrap()),
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stamp: "2002-09-10T23:08:25Z".to_owned(),
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data: Some(String::from("Reason")),
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};
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let elem2 = delay::serialise(&delay);
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assert_eq!(elem, elem2);
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}
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}
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