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ac0707e52d
Looking at [the spec](https://xmpp.org/extensions/xep-0004.html#protocol-field) it seems valid not to have a `var` attribute set, at least for fields of type `fixed` that is: > If the element type is anything other than "fixed" (see below), it MUST > possess a 'var' attribute that uniquely identifies the field in the context > of the form (if it is "fixed", it MAY possess a 'var' attribute). The element > MAY possess a 'label' attribute that defines a human-readable name for the field.
249 lines
8.2 KiB
Rust
249 lines
8.2 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 crate::util::text_node_codecs::{Codec, Text, Trimmed};
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generate_element!(
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/// Represents an URI used in a media element.
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URI, "uri", MEDIA_ELEMENT,
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attributes: [
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/// The MIME type of the URI referenced.
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///
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/// See the [IANA MIME Media Types Registry][1] for a list of
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/// registered types, but unregistered or yet-to-be-registered are
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/// accepted too.
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///
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/// [1]: <https://www.iana.org/assignments/media-types/media-types.xhtml>
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type_: Required<String> = "type"
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],
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text: (
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/// The actual URI contained.
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uri: Trimmed<Text>
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)
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);
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generate_element!(
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/// References a media element, to be used in [data
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/// forms](../data_forms/index.html).
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MediaElement, "media", MEDIA_ELEMENT,
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attributes: [
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/// The recommended display width in pixels.
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width: Option<usize> = "width",
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/// The recommended display height in pixels.
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height: Option<usize> = "height"
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],
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children: [
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/// A list of URIs referencing this media.
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uris: Vec<URI> = ("uri", MEDIA_ELEMENT) => URI
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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 crate::data_forms::DataForm;
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use crate::util::error::Error;
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use crate::Element;
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#[cfg(target_pointer_width = "32")]
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#[test]
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fn test_size() {
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assert_size!(URI, 24);
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assert_size!(MediaElement, 28);
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}
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#[cfg(target_pointer_width = "64")]
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#[test]
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fn test_size() {
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assert_size!(URI, 48);
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assert_size!(MediaElement, 56);
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}
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#[test]
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fn test_simple() {
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let elem: Element = "<media xmlns='urn:xmpp:media-element'/>".parse().unwrap();
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let media = MediaElement::try_from(elem).unwrap();
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assert!(media.width.is_none());
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assert!(media.height.is_none());
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assert!(media.uris.is_empty());
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}
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#[test]
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fn test_width_height() {
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let elem: Element = "<media xmlns='urn:xmpp:media-element' width='32' height='32'/>"
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.parse()
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.unwrap();
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let media = MediaElement::try_from(elem).unwrap();
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assert_eq!(media.width.unwrap(), 32);
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assert_eq!(media.height.unwrap(), 32);
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}
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#[test]
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fn test_uri() {
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let elem: Element = "<media xmlns='urn:xmpp:media-element'><uri type='text/html'>https://example.org/</uri></media>".parse().unwrap();
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let media = MediaElement::try_from(elem).unwrap();
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assert_eq!(media.uris.len(), 1);
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assert_eq!(media.uris[0].type_, "text/html");
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assert_eq!(media.uris[0].uri, "https://example.org/");
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}
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#[test]
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fn test_invalid_width_height() {
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let elem: Element = "<media xmlns='urn:xmpp:media-element' width=''/>"
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.parse()
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.unwrap();
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let error = MediaElement::try_from(elem).unwrap_err();
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let error = 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!(error.to_string(), "cannot parse integer from empty string");
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let elem: Element = "<media xmlns='urn:xmpp:media-element' width='coucou'/>"
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.parse()
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.unwrap();
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let error = MediaElement::try_from(elem).unwrap_err();
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let error = 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!(error.to_string(), "invalid digit found in string");
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let elem: Element = "<media xmlns='urn:xmpp:media-element' height=''/>"
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.parse()
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.unwrap();
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let error = MediaElement::try_from(elem).unwrap_err();
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let error = 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!(error.to_string(), "cannot parse integer from empty string");
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let elem: Element = "<media xmlns='urn:xmpp:media-element' height='-10'/>"
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.parse()
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.unwrap();
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let error = MediaElement::try_from(elem).unwrap_err();
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let error = 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!(error.to_string(), "invalid digit found in string");
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}
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#[test]
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fn test_unknown_child() {
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let elem: Element = "<media xmlns='urn:xmpp:media-element'><coucou/></media>"
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.parse()
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.unwrap();
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let error = MediaElement::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, "Unknown child in media element.");
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}
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#[test]
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fn test_bad_uri() {
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let elem: Element =
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"<media xmlns='urn:xmpp:media-element'><uri>https://example.org/</uri></media>"
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.parse()
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.unwrap();
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let error = MediaElement::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 'type' missing.");
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let elem: Element = "<media xmlns='urn:xmpp:media-element'><uri type='text/html'/></media>"
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.parse()
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.unwrap();
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let error = MediaElement::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!(
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message,
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"The text in the element's text node was empty after trimming."
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);
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}
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#[test]
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fn test_xep_ex1() {
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let elem: Element = r#"<media xmlns='urn:xmpp:media-element'>
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<uri type='audio/x-wav'>
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http://victim.example.com/challenges/speech.wav?F3A6292C
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</uri>
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<uri type='audio/ogg; codecs=speex'>
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cid:sha1+a15a505e360702b79c75a5f67773072ed392f52a@bob.xmpp.org
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</uri>
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<uri type='audio/mpeg'>
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http://victim.example.com/challenges/speech.mp3?F3A6292C
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</uri>
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</media>"#
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.parse()
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.unwrap();
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let media = MediaElement::try_from(elem).unwrap();
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assert!(media.width.is_none());
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assert!(media.height.is_none());
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assert_eq!(media.uris.len(), 3);
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assert_eq!(media.uris[0].type_, "audio/x-wav");
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assert_eq!(
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media.uris[0].uri,
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"http://victim.example.com/challenges/speech.wav?F3A6292C"
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);
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assert_eq!(media.uris[1].type_, "audio/ogg; codecs=speex");
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assert_eq!(
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media.uris[1].uri,
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"cid:sha1+a15a505e360702b79c75a5f67773072ed392f52a@bob.xmpp.org"
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);
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assert_eq!(media.uris[2].type_, "audio/mpeg");
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assert_eq!(
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media.uris[2].uri,
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"http://victim.example.com/challenges/speech.mp3?F3A6292C"
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);
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}
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#[test]
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fn test_xep_ex2() {
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let elem: Element = r#"<x xmlns='jabber:x:data' type='form'>
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[ ... ]
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<field var='ocr'>
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<media xmlns='urn:xmpp:media-element'
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height='80'
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width='290'>
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<uri type='image/jpeg'>
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http://www.victim.com/challenges/ocr.jpeg?F3A6292C
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</uri>
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<uri type='image/jpeg'>
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cid:sha1+f24030b8d91d233bac14777be5ab531ca3b9f102@bob.xmpp.org
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</uri>
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</media>
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</field>
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[ ... ]
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</x>"#
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.parse()
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.unwrap();
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let form = DataForm::try_from(elem).unwrap();
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assert_eq!(form.fields.len(), 1);
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assert_eq!(form.fields[0].var.as_deref(), Some("ocr"));
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assert_eq!(form.fields[0].media[0].width, Some(290));
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assert_eq!(form.fields[0].media[0].height, Some(80));
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assert_eq!(form.fields[0].media[0].uris[0].type_, "image/jpeg");
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assert_eq!(
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form.fields[0].media[0].uris[0].uri,
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"http://www.victim.com/challenges/ocr.jpeg?F3A6292C"
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);
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assert_eq!(form.fields[0].media[0].uris[1].type_, "image/jpeg");
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assert_eq!(
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form.fields[0].media[0].uris[1].uri,
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"cid:sha1+f24030b8d91d233bac14777be5ab531ca3b9f102@bob.xmpp.org"
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);
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}
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}
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