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mod event;
mod response;
pub use event::Event;
pub use response::SSE;
#[cfg(test)]
mod tests {
use std::time::Duration;
use tokio::{io::AsyncReadExt, time::Instant};
use super::*;
use crate::IntoResponse;
#[tokio::test]
async fn sse() {
let sse = SSE::new(futures_util::stream::iter(
vec![1, 2, 3, 4, 5].into_iter().map(|value| {
if value == 3 {
Event::message(value.to_string()).id("a").event_type("tt")
} else if value == 4 {
Event::message(value.to_string())
.id("b")
.event_type("message")
} else {
Event::message(value.to_string())
}
}),
));
let resp = sse.into_response();
assert_eq!(resp.content_type(), Some("text/event-stream"));
let data = resp.into_body().into_string().await.unwrap();
assert_eq!(
data,
r#"data: 1
data: 2
id: a
event: tt
data: 3
id: b
data: 4
data: 5
"#
);
}
#[tokio::test]
async fn keep_alive() {
let sse = SSE::new(futures_util::stream::pending()).keep_alive(Duration::from_secs(1));
let resp = sse.into_response();
let mut body = resp.into_body().into_async_read();
let mut s = Instant::now();
for _ in 0..3 {
let mut buf = [0; 16];
assert_eq!(body.read(&mut buf).await.unwrap(), 3);
assert_eq!(&buf[..3], b":\n\n");
let now = Instant::now();
let interval = now - s;
assert!(interval >= Duration::from_millis(900) && interval < Duration::from_secs(2));
s = now;
}
}
}