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https://gitlab.com/xmpp-rs/xmpp-rs.git
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presence: Make Show handle the None case, and rename PresenceType to Type.
This commit is contained in:
Emmanuel Gil Peyrot
parent
32bfa84551
commit
9eb8f39a38
1 changed files with 61 additions and 48 deletions
109
src/presence.rs
109
src/presence.rs
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@ -8,7 +8,7 @@ use std::convert::TryFrom;
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use std::str::FromStr;
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use std::collections::BTreeMap;
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use minidom::{Element, IntoAttributeValue};
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use minidom::{Element, IntoElements, IntoAttributeValue, ElementEmitter};
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use jid::Jid;
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@ -24,12 +24,19 @@ use ecaps2::ECaps2;
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#[derive(Debug, Clone, PartialEq)]
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pub enum Show {
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None,
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Away,
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Chat,
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Dnd,
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Xa,
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}
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impl Default for Show {
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fn default() -> Show {
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Show::None
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}
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}
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impl FromStr for Show {
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type Err = Error;
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@ -45,16 +52,21 @@ impl FromStr for Show {
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}
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}
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impl Into<Element> for Show {
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fn into(self) -> Element {
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Element::builder("show")
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.append(match self {
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Show::Away => "away",
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Show::Chat => "chat",
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Show::Dnd => "dnd",
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Show::Xa => "xa",
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})
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.build()
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impl IntoElements for Show {
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fn into_elements(self, emitter: &mut ElementEmitter) {
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if self == Show::None {
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return;
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}
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emitter.append_child(
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Element::builder("show")
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.append(match self {
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Show::None => unreachable!(),
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Show::Away => Some("away"),
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Show::Chat => Some("chat"),
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Show::Dnd => Some("dnd"),
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Show::Xa => Some("xa"),
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})
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.build())
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}
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}
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@ -114,7 +126,7 @@ impl Into<Element> for PresencePayload {
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}
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#[derive(Debug, Clone, PartialEq)]
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pub enum PresenceType {
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pub enum Type {
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/// This value is not an acceptable 'type' attribute, it is only used
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/// internally to signal the absence of 'type'.
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None,
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@ -127,42 +139,42 @@ pub enum PresenceType {
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Unsubscribed,
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}
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impl Default for PresenceType {
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fn default() -> PresenceType {
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PresenceType::None
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impl Default for Type {
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fn default() -> Type {
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Type::None
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}
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}
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impl FromStr for PresenceType {
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impl FromStr for Type {
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type Err = Error;
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fn from_str(s: &str) -> Result<PresenceType, Error> {
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fn from_str(s: &str) -> Result<Type, Error> {
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Ok(match s {
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"error" => PresenceType::Error,
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"probe" => PresenceType::Probe,
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"subscribe" => PresenceType::Subscribe,
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"subscribed" => PresenceType::Subscribed,
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"unavailable" => PresenceType::Unavailable,
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"unsubscribe" => PresenceType::Unsubscribe,
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"unsubscribed" => PresenceType::Unsubscribed,
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"error" => Type::Error,
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"probe" => Type::Probe,
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"subscribe" => Type::Subscribe,
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"subscribed" => Type::Subscribed,
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"unavailable" => Type::Unavailable,
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"unsubscribe" => Type::Unsubscribe,
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"unsubscribed" => Type::Unsubscribed,
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_ => return Err(Error::ParseError("Invalid 'type' attribute on presence element.")),
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})
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}
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}
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impl IntoAttributeValue for PresenceType {
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impl IntoAttributeValue for Type {
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fn into_attribute_value(self) -> Option<String> {
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Some(match self {
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PresenceType::None => return None,
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Type::None => return None,
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PresenceType::Error => "error",
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PresenceType::Probe => "probe",
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PresenceType::Subscribe => "subscribe",
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PresenceType::Subscribed => "subscribed",
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PresenceType::Unavailable => "unavailable",
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PresenceType::Unsubscribe => "unsubscribe",
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PresenceType::Unsubscribed => "unsubscribed",
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Type::Error => "error",
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Type::Probe => "probe",
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Type::Subscribe => "subscribe",
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Type::Subscribed => "subscribed",
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Type::Unavailable => "unavailable",
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Type::Unsubscribe => "unsubscribe",
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Type::Unsubscribed => "unsubscribed",
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}.to_owned())
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}
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}
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@ -172,8 +184,8 @@ pub struct Presence {
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pub from: Option<Jid>,
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pub to: Option<Jid>,
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pub id: Option<String>,
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pub type_: PresenceType,
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pub show: Option<Show>,
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pub type_: Type,
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pub show: Show,
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pub statuses: BTreeMap<Lang, Status>,
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pub priority: Priority,
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pub payloads: Vec<Element>,
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@ -186,20 +198,21 @@ impl TryFrom<Element> for Presence {
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if !root.is("presence", ns::JABBER_CLIENT) {
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return Err(Error::ParseError("This is not a presence element."));
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}
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let mut show = None;
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let mut priority = None;
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let mut presence = Presence {
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from: get_attr!(root, "from", optional),
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to: get_attr!(root, "to", optional),
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id: get_attr!(root, "id", optional),
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type_: get_attr!(root, "type", default),
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show: None,
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show: Show::None,
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statuses: BTreeMap::new(),
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priority: 0i8,
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payloads: vec!(),
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};
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for elem in root.children() {
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if elem.is("show", ns::JABBER_CLIENT) {
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if presence.show.is_some() {
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if show.is_some() {
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return Err(Error::ParseError("More than one show element in a presence."));
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}
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for _ in elem.children() {
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@ -208,7 +221,7 @@ impl TryFrom<Element> for Presence {
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for _ in elem.attrs() {
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return Err(Error::ParseError("Unknown attribute in show element."));
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}
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presence.show = Some(Show::from_str(elem.text().as_ref())?);
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show = Some(Show::from_str(elem.text().as_ref())?);
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} else if elem.is("status", ns::JABBER_CLIENT) {
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for _ in elem.children() {
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return Err(Error::ParseError("Unknown child in status element."));
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@ -237,6 +250,9 @@ impl TryFrom<Element> for Presence {
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presence.payloads.push(elem.clone());
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}
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}
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if let Some(show) = show {
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presence.show = show;
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}
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if let Some(priority) = priority {
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presence.priority = priority;
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}
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@ -252,10 +268,7 @@ impl Into<Element> for Presence {
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.attr("to", self.to.and_then(|value| Some(String::from(value))))
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.attr("id", self.id)
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.attr("type", self.type_)
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.append(match self.show {
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Some(show) => Some({ let elem: Element = show.into(); elem }),
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None => None
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})
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.append(self.show)
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.append(self.statuses.iter().map(|(lang, status)| {
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Element::builder("status")
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.attr("xml:lang", match lang.as_ref() {
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@ -283,7 +296,7 @@ mod tests {
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assert_eq!(presence.from, None);
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assert_eq!(presence.to, None);
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assert_eq!(presence.id, None);
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assert_eq!(presence.type_, PresenceType::None);
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assert_eq!(presence.type_, Type::None);
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assert!(presence.payloads.is_empty());
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}
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@ -294,8 +307,8 @@ mod tests {
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from: None,
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to: None,
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id: None,
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type_: PresenceType::Unavailable,
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show: None,
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type_: Type::Unavailable,
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show: Show::None,
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statuses: BTreeMap::new(),
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priority: 0i8,
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payloads: vec!(),
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@ -309,7 +322,7 @@ mod tests {
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let elem: Element = "<presence xmlns='jabber:client'><show>chat</show></presence>".parse().unwrap();
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let presence = Presence::try_from(elem).unwrap();
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assert_eq!(presence.payloads.len(), 0);
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assert_eq!(presence.show, Some(Show::Chat));
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assert_eq!(presence.show, Show::Chat);
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}
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#[test]
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@ -432,8 +445,8 @@ mod tests {
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from: None,
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to: None,
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id: None,
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type_: PresenceType::Unavailable,
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show: None,
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type_: Type::Unavailable,
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show: Show::None,
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statuses: statuses,
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priority: 0i8,
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payloads: vec!(),
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