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|
use axum::extract::State;
use axum_extra::extract::Query;
use futures::{
future,
stream::{self, StreamExt as _},
};
use crate::{
channel::app,
events::routes,
repo::channel::{self},
test::fixtures::{self, future::Immediately as _},
};
#[tokio::test]
async fn no_subscriptions() {
// Set up the environment
let app = fixtures::scratch_app().await;
let subscriber = fixtures::login::create(&app).await;
// Call the endpoint
let subscribed_at = fixtures::now();
let query = routes::EventsQuery { channels: vec![] };
let routes::Events(mut events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("empty subscription");
// Verify the structure of the response.
assert!(events.next().immediately().await.is_none());
}
#[tokio::test]
async fn includes_historical_message() {
// Set up the environment
let app = fixtures::scratch_app().await;
let sender = fixtures::login::create(&app).await;
let channel = fixtures::channel::create(&app).await;
let message = fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await;
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.id.clone()],
};
let routes::Events(mut events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("subscribed to valid channel");
// Verify the structure of the response.
let event = events
.next()
.immediately()
.await
.expect("delivered stored message");
assert_eq!(channel.id, event.channel);
assert_eq!(message, event.message);
}
#[tokio::test]
async fn includes_live_message() {
// Set up the environment
let app = fixtures::scratch_app().await;
let channel = fixtures::channel::create(&app).await;
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.id.clone()],
};
let routes::Events(mut events) = routes::events(
State(app.clone()),
subscribed_at,
subscriber,
None,
Query(query),
)
.await
.expect("subscribed to a valid channel");
// Verify the semantics
let sender = fixtures::login::create(&app).await;
let message = fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await;
let event = events
.next()
.immediately()
.await
.expect("delivered live message");
assert_eq!(channel.id, event.channel);
assert_eq!(message, event.message);
}
#[tokio::test]
async fn excludes_other_channels() {
// Set up the environment
let app = fixtures::scratch_app().await;
let subscribed = fixtures::channel::create(&app).await;
let unsubscribed = fixtures::channel::create(&app).await;
let sender = fixtures::login::create(&app).await;
let message = fixtures::message::send(&app, &sender, &subscribed, &fixtures::now()).await;
fixtures::message::send(&app, &sender, &unsubscribed, &fixtures::now()).await;
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![subscribed.id.clone()],
};
let routes::Events(mut events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("subscribed to a valid channel");
// Verify the semantics
let event = events
.next()
.immediately()
.await
.expect("delivered at least one message");
assert_eq!(subscribed.id, event.channel);
assert_eq!(message, event.message);
}
#[tokio::test]
async fn includes_multiple_channels() {
// Set up the environment
let app = fixtures::scratch_app().await;
let sender = fixtures::login::create(&app).await;
let channels = [
fixtures::channel::create(&app).await,
fixtures::channel::create(&app).await,
];
let messages = stream::iter(channels)
.then(|channel| async {
let message = fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await;
(channel, message)
})
.collect::<Vec<_>>()
.await;
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: messages
.iter()
.map(|(channel, _)| &channel.id)
.cloned()
.collect(),
};
let routes::Events(events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("subscribed to valid channels");
// Verify the structure of the response.
let events = events
.take(messages.len())
.collect::<Vec<_>>()
.immediately()
.await;
for (channel, message) in messages {
assert!(events
.iter()
.any(|event| { event.channel == channel.id && event.message == message }));
}
}
#[tokio::test]
async fn nonexitent_channel() {
// Set up the environment
let app = fixtures::scratch_app().await;
let channel = channel::Id::generate();
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.clone()],
};
let routes::ErrorResponse(error) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect_err("subscribed to nonexistent channel");
// Verify the structure of the response.
fixtures::error::expected!(
error,
app::EventsError::ChannelNotFound(error_channel),
assert_eq!(channel, error_channel)
);
}
#[tokio::test]
async fn sequential_messages() {
// Set up the environment
let app = fixtures::scratch_app().await;
let channel = fixtures::channel::create(&app).await;
let sender = fixtures::login::create(&app).await;
let messages = vec![
fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await,
fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await,
fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await,
];
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.id.clone()],
};
let routes::Events(events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("subscribed to a valid channel");
// Verify the structure of the response.
let mut events = events.filter(|event| future::ready(messages.contains(&event.message)));
// Verify delivery in order
for message in &messages {
let event = events
.next()
.immediately()
.await
.expect("undelivered messages remaining");
assert_eq!(channel.id, event.channel);
assert_eq!(message, &event.message);
}
}
#[tokio::test]
async fn resumes_from() {
// Set up the environment
let app = fixtures::scratch_app().await;
let channel = fixtures::channel::create(&app).await;
let sender = fixtures::login::create(&app).await;
let initial_message = fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await;
let later_messages = vec![
fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await,
fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await,
];
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.id.clone()],
};
let resume_at = {
// First subscription
let routes::Events(mut events) = routes::events(
State(app.clone()),
subscribed_at,
subscriber.clone(),
None,
Query(query.clone()),
)
.await
.expect("subscribed to a valid channel");
let event = events.next().immediately().await.expect("delivered events");
assert_eq!(channel.id, event.channel);
assert_eq!(initial_message, event.message);
event.event_id()
};
// Resume after disconnect
let resumed_at = fixtures::now();
let routes::Events(resumed) = routes::events(
State(app),
resumed_at,
subscriber,
Some(resume_at.into()),
Query(query),
)
.await
.expect("subscribed to a valid channel");
// Verify the structure of the response.
let events = resumed
.take(later_messages.len())
.collect::<Vec<_>>()
.immediately()
.await;
for message in later_messages {
assert!(events
.iter()
.any(|event| event.channel == channel.id && event.message == message));
}
}
#[tokio::test]
async fn removes_expired_messages() {
// Set up the environment
let app = fixtures::scratch_app().await;
let sender = fixtures::login::create(&app).await;
let channel = fixtures::channel::create(&app).await;
fixtures::message::send(&app, &sender, &channel, &fixtures::ancient()).await;
let message = fixtures::message::send(&app, &sender, &channel, &fixtures::now()).await;
// Call the endpoint
let subscriber = fixtures::login::create(&app).await;
let subscribed_at = fixtures::now();
let query = routes::EventsQuery {
channels: vec![channel.id.clone()],
};
let routes::Events(mut events) =
routes::events(State(app), subscribed_at, subscriber, None, Query(query))
.await
.expect("subscribed to valid channel");
// Verify the semantics
let event = events
.next()
.immediately()
.await
.expect("delivered messages");
assert_eq!(channel.id, event.channel);
assert_eq!(message, event.message);
}
|
