use ruma_common::OwnedRoomAliasId;
use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};
use crate::EmptyStateKey;
#[derive(Clone, Debug, Default, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.room.canonical_alias", kind = State, state_key_type = EmptyStateKey)]
pub struct RoomCanonicalAliasEventContent {
#[serde(
default,
deserialize_with = "ruma_common::serde::empty_string_as_none",
skip_serializing_if = "Option::is_none"
)]
pub alias: Option<OwnedRoomAliasId>,
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub alt_aliases: Vec<OwnedRoomAliasId>,
}
impl RoomCanonicalAliasEventContent {
pub fn new() -> Self {
Self { alias: None, alt_aliases: Vec::new() }
}
}
#[cfg(test)]
mod tests {
use ruma_common::owned_room_alias_id;
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::RoomCanonicalAliasEventContent;
use crate::OriginalStateEvent;
#[test]
fn serialization_with_optional_fields_as_none() {
let content = RoomCanonicalAliasEventContent {
alias: Some(owned_room_alias_id!("#somewhere:localhost")),
alt_aliases: Vec::new(),
};
let actual = to_json_value(&content).unwrap();
let expected = json!({
"alias": "#somewhere:localhost",
});
assert_eq!(actual, expected);
}
#[test]
fn absent_field_as_none() {
let json_data = json!({
"content": {},
"event_id": "$h29iv0s8:example.com",
"origin_server_ts": 1,
"room_id": "!dummy:example.com",
"sender": "@carl:example.com",
"state_key": "",
"type": "m.room.canonical_alias"
});
assert_eq!(
from_json_value::<OriginalStateEvent<RoomCanonicalAliasEventContent>>(json_data)
.unwrap()
.content
.alias,
None
);
}
#[test]
fn null_field_as_none() {
let json_data = json!({
"content": {
"alias": null
},
"event_id": "$h29iv0s8:example.com",
"origin_server_ts": 1,
"room_id": "!dummy:example.com",
"sender": "@carl:example.com",
"state_key": "",
"type": "m.room.canonical_alias"
});
assert_eq!(
from_json_value::<OriginalStateEvent<RoomCanonicalAliasEventContent>>(json_data)
.unwrap()
.content
.alias,
None
);
}
#[test]
fn empty_field_as_none() {
let json_data = json!({
"content": {
"alias": ""
},
"event_id": "$h29iv0s8:example.com",
"origin_server_ts": 1,
"room_id": "!dummy:example.com",
"sender": "@carl:example.com",
"state_key": "",
"type": "m.room.canonical_alias"
});
assert_eq!(
from_json_value::<OriginalStateEvent<RoomCanonicalAliasEventContent>>(json_data)
.unwrap()
.content
.alias,
None
);
}
#[test]
fn nonempty_field_as_some() {
let alias = Some(owned_room_alias_id!("#somewhere:localhost"));
let json_data = json!({
"content": {
"alias": "#somewhere:localhost"
},
"event_id": "$h29iv0s8:example.com",
"origin_server_ts": 1,
"room_id": "!dummy:example.com",
"sender": "@carl:example.com",
"state_key": "",
"type": "m.room.canonical_alias"
});
assert_eq!(
from_json_value::<OriginalStateEvent<RoomCanonicalAliasEventContent>>(json_data)
.unwrap()
.content
.alias,
alias
);
}
}