use std::{convert::TryFrom, fmt, num::NonZeroU8};
use crate::server_name::ServerName;
#[derive(Clone)]
pub struct RoomAliasId {
pub(crate) full_id: Box<str>,
pub(crate) colon_idx: NonZeroU8,
}
impl fmt::Debug for RoomAliasId {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(&self.full_id)
}
}
impl RoomAliasId {
pub fn alias(&self) -> &str {
&self.full_id[1..self.colon_idx.get() as usize]
}
pub fn server_name(&self) -> &ServerName {
<&ServerName>::try_from(&self.full_id[self.colon_idx.get() as usize + 1..]).unwrap()
}
}
fn try_from<S>(room_alias_id: S) -> Result<RoomAliasId, crate::Error>
where
S: AsRef<str> + Into<Box<str>>,
{
let colon_idx = ruma_identifiers_validation::room_alias_id::validate(room_alias_id.as_ref())?;
Ok(RoomAliasId { full_id: room_alias_id.into(), colon_idx })
}
common_impls!(RoomAliasId, try_from, "a Matrix room alias ID");
#[cfg(test)]
mod tests {
use std::convert::TryFrom;
use super::RoomAliasId;
use crate::Error;
#[test]
fn valid_room_alias_id() {
assert_eq!(
RoomAliasId::try_from("#ruma:example.com")
.expect("Failed to create RoomAliasId.")
.as_ref(),
"#ruma:example.com"
);
}
#[test]
fn empty_localpart() {
assert_eq!(
RoomAliasId::try_from("#:myhomeserver.io")
.expect("Failed to create RoomAliasId.")
.as_ref(),
"#:myhomeserver.io"
);
}
#[cfg(feature = "serde")]
#[test]
fn serialize_valid_room_alias_id() {
assert_eq!(
serde_json::to_string(
&RoomAliasId::try_from("#ruma:example.com").expect("Failed to create RoomAliasId.")
)
.expect("Failed to convert RoomAliasId to JSON."),
r##""#ruma:example.com""##
);
}
#[cfg(feature = "serde")]
#[test]
fn deserialize_valid_room_alias_id() {
assert_eq!(
serde_json::from_str::<RoomAliasId>(r##""#ruma:example.com""##)
.expect("Failed to convert JSON to RoomAliasId"),
RoomAliasId::try_from("#ruma:example.com").expect("Failed to create RoomAliasId.")
);
}
#[test]
fn valid_room_alias_id_with_explicit_standard_port() {
assert_eq!(
RoomAliasId::try_from("#ruma:example.com:443")
.expect("Failed to create RoomAliasId.")
.as_ref(),
"#ruma:example.com:443"
);
}
#[test]
fn valid_room_alias_id_with_non_standard_port() {
assert_eq!(
RoomAliasId::try_from("#ruma:example.com:5000")
.expect("Failed to create RoomAliasId.")
.as_ref(),
"#ruma:example.com:5000"
);
}
#[test]
fn valid_room_alias_id_unicode() {
assert_eq!(
RoomAliasId::try_from("#老虎£я:example.com")
.expect("Failed to create RoomAliasId.")
.as_ref(),
"#老虎£я:example.com"
);
}
#[test]
fn missing_room_alias_id_sigil() {
assert_eq!(
RoomAliasId::try_from("39hvsi03hlne:example.com").unwrap_err(),
Error::MissingLeadingSigil
);
}
#[test]
fn missing_room_alias_id_delimiter() {
assert_eq!(RoomAliasId::try_from("#ruma").unwrap_err(), Error::MissingDelimiter);
}
#[test]
fn invalid_leading_sigil() {
assert_eq!(
RoomAliasId::try_from("!room_id:foo.bar").unwrap_err(),
Error::MissingLeadingSigil
);
}
#[test]
fn invalid_room_alias_id_host() {
assert_eq!(RoomAliasId::try_from("#ruma:/").unwrap_err(), Error::InvalidServerName);
}
#[test]
fn invalid_room_alias_id_port() {
assert_eq!(
RoomAliasId::try_from("#ruma:example.com:notaport").unwrap_err(),
Error::InvalidServerName
);
}
}