ruwuma/crates/ruma-state-res/tests/event_sorting.rs
2021-07-02 23:02:50 +02:00

80 lines
2.3 KiB
Rust

use std::collections::{BTreeMap, BTreeSet};
use rand::seq::SliceRandom;
use ruma_events::EventType;
use ruma_state_res::{is_power_event, room_version::RoomVersion, StateMap, StateResolution};
mod utils;
use utils::{room_id, INITIAL_EVENTS};
fn test_event_sort() {
let mut events = INITIAL_EVENTS();
let event_map = events
.values()
.map(|ev| ((ev.kind(), ev.state_key()), ev.clone()))
.collect::<StateMap<_>>();
let auth_chain = BTreeSet::new();
let power_events = event_map
.values()
.filter(|pdu| is_power_event(pdu))
.map(|pdu| pdu.event_id().clone())
.collect::<Vec<_>>();
// This is a TODO in conduit
// TODO these events are not guaranteed to be sorted but they are resolved, do
// we need the auth_chain
let sorted_power_events = StateResolution::reverse_topological_power_sort(
&room_id(),
&power_events,
&mut events,
&auth_chain,
);
// This is a TODO in conduit
// TODO we may be able to skip this since they are resolved according to spec
let resolved_power = StateResolution::iterative_auth_check(
&room_id(),
&RoomVersion::version_6(),
&sorted_power_events,
&BTreeMap::new(), // unconflicted events
&mut events,
)
.expect("iterative auth check failed on resolved events");
// don't remove any events so we know it sorts them all correctly
let mut events_to_sort = events.keys().cloned().collect::<Vec<_>>();
events_to_sort.shuffle(&mut rand::thread_rng());
let power_level = resolved_power.get(&(EventType::RoomPowerLevels, "".to_owned()));
let sorted_event_ids =
StateResolution::mainline_sort(&room_id(), &events_to_sort, power_level, &mut events);
assert_eq!(
vec![
"$CREATE:foo",
"$IMA:foo",
"$IPOWER:foo",
"$IJR:foo",
"$IMB:foo",
"$IMC:foo",
"$START:foo",
"$END:foo"
],
sorted_event_ids.iter().map(|id| id.to_string()).collect::<Vec<_>>()
)
}
#[test]
fn test_sort() {
for _ in 0..20 {
// since we shuffle the eventIds before we sort them introducing randomness
// seems like we should test this a few times
test_event_sort()
}
}