xmpp-rs-mirror/src/eme.rs
Emmanuel Gil Peyrot 5bf14b0b22 Drop dependency on try_from.
This bumps the minimum supported stable Rust version to 1.34.

The TryFrom and TryInto traits are still reexported to not break the
API, but these reexports are deprecated and will be removed in a future
release.
2019-04-12 11:06:03 +02:00

96 lines
3.1 KiB
Rust

// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use crate::message::MessagePayload;
generate_element!(
/// Structure representing an `<encryption xmlns='urn:xmpp:eme:0'/>` element.
ExplicitMessageEncryption, "encryption", EME,
attributes: [
/// Namespace of the encryption scheme used.
namespace: Required<String> = "namespace",
/// User-friendly name for the encryption scheme, should be `None` for OTR,
/// legacy OpenPGP and OX.
name: Option<String> = "name",
]
);
impl MessagePayload for ExplicitMessageEncryption {}
#[cfg(test)]
mod tests {
use super::*;
use crate::util::error::Error;
use minidom::Element;
use std::convert::TryFrom;
#[cfg(target_pointer_width = "32")]
#[test]
fn test_size() {
assert_size!(ExplicitMessageEncryption, 24);
}
#[cfg(target_pointer_width = "64")]
#[test]
fn test_size() {
assert_size!(ExplicitMessageEncryption, 48);
}
#[test]
fn test_simple() {
let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='urn:xmpp:otr:0'/>"
.parse()
.unwrap();
let encryption = ExplicitMessageEncryption::try_from(elem).unwrap();
assert_eq!(encryption.namespace, "urn:xmpp:otr:0");
assert_eq!(encryption.name, None);
let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='some.unknown.mechanism' name='SuperMechanism'/>".parse().unwrap();
let encryption = ExplicitMessageEncryption::try_from(elem).unwrap();
assert_eq!(encryption.namespace, "some.unknown.mechanism");
assert_eq!(encryption.name, Some(String::from("SuperMechanism")));
}
#[test]
fn test_unknown() {
let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>"
.parse()
.unwrap();
let error = ExplicitMessageEncryption::try_from(elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "This is not a encryption element.");
}
#[test]
fn test_invalid_child() {
let elem: Element = "<encryption xmlns='urn:xmpp:eme:0'><coucou/></encryption>"
.parse()
.unwrap();
let error = ExplicitMessageEncryption::try_from(elem).unwrap_err();
let message = match error {
Error::ParseError(string) => string,
_ => panic!(),
};
assert_eq!(message, "Unknown child in encryption element.");
}
#[test]
fn test_serialise() {
let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='coucou'/>"
.parse()
.unwrap();
let eme = ExplicitMessageEncryption {
namespace: String::from("coucou"),
name: None,
};
let elem2 = eme.into();
assert_eq!(elem, elem2);
}
}