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header.rs
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header.rs
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#![deny(warnings)]
use warp::Filter;
#[tokio::test]
async fn exact() {
let _ = pretty_env_logger::try_init();
let host = warp::header::exact("host", "localhost");
let req = warp::test::request().header("host", "localhost");
assert!(req.matches(&host).await);
let req = warp::test::request();
assert!(!req.matches(&host).await, "header missing");
let req = warp::test::request().header("host", "hyper.rs");
assert!(!req.matches(&host).await, "header value different");
}
#[tokio::test]
async fn exact_rejections() {
let _ = pretty_env_logger::try_init();
let host = warp::header::exact("host", "localhost").map(warp::reply);
let res = warp::test::request()
.header("host", "nope")
.reply(&host)
.await;
assert_eq!(res.status(), 400);
assert_eq!(res.body(), "Invalid request header \"host\"");
let res = warp::test::request()
.header("not-even-a-host", "localhost")
.reply(&host)
.await;
assert_eq!(res.status(), 400);
assert_eq!(res.body(), "Missing request header \"host\"");
}
#[tokio::test]
async fn optional() {
let _ = pretty_env_logger::try_init();
let con_len = warp::header::optional::<u64>("content-length");
let val = warp::test::request()
.filter(&con_len)
.await
.expect("missing header matches");
assert_eq!(val, None);
let val = warp::test::request()
.header("content-length", "5")
.filter(&con_len)
.await
.expect("existing header matches");
assert_eq!(val, Some(5));
assert!(
!warp::test::request()
.header("content-length", "boom")
.matches(&con_len)
.await,
"invalid optional header still rejects",
);
}