112 lines
3.8 KiB
Rust
112 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 std::convert::TryFrom;
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use minidom::Element;
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use error::Error;
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use ns;
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use ibb::Stanza;
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#[derive(Debug, Clone)]
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pub struct Transport {
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pub block_size: u16,
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pub sid: String,
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pub stanza: Stanza,
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}
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impl TryFrom<Element> for Transport {
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type Error = Error;
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fn try_from(elem: Element) -> Result<Transport, Error> {
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if !elem.is("transport", ns::JINGLE_IBB) {
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return Err(Error::ParseError("This is not an JingleIBB element."))
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}
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for _ in elem.children() {
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return Err(Error::ParseError("Unknown child in JingleIBB element."));
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}
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Ok(Transport {
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block_size: get_attr!(elem, "block-size", required),
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sid: get_attr!(elem, "sid", required),
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stanza: get_attr!(elem, "stanza", default),
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})
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}
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}
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impl Into<Element> for Transport {
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fn into(self) -> Element {
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Element::builder("transport")
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.ns(ns::JINGLE_IBB)
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.attr("block-size", self.block_size)
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.attr("sid", self.sid)
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.attr("stanza", self.stanza)
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.build()
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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 super::*;
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use std::error::Error as StdError;
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#[test]
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fn test_simple() {
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1' block-size='3' sid='coucou'/>".parse().unwrap();
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let transport = Transport::try_from(elem).unwrap();
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assert_eq!(transport.block_size, 3);
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assert_eq!(transport.sid, "coucou");
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assert_eq!(transport.stanza, Stanza::Iq);
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}
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#[test]
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fn test_invalid() {
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1'/>".parse().unwrap();
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let error = Transport::try_from(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, "Required attribute 'block-size' missing.");
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1' block-size='65536'/>".parse().unwrap();
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let error = Transport::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseIntError(error) => error,
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_ => panic!(),
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};
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assert_eq!(message.description(), "number too large to fit in target type");
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1' block-size='-5'/>".parse().unwrap();
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let error = Transport::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseIntError(error) => error,
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_ => panic!(),
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};
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assert_eq!(message.description(), "invalid digit found in string");
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1' block-size='128'/>".parse().unwrap();
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let error = Transport::try_from(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, "Required attribute 'sid' missing.");
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}
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#[test]
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fn test_invalid_stanza() {
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let elem: Element = "<transport xmlns='urn:xmpp:jingle:transports:ibb:1' block-size='128' sid='coucou' stanza='fdsq'/>".parse().unwrap();
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let error = Transport::try_from(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, "Invalid 'stanza' attribute.");
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}
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}
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