1 files changed, 64 insertions, 0 deletions
diff --git a/third_party/rust/warp/tests/reply_with.rs b/third_party/rust/warp/tests/reply_with.rs
new file mode 100644
index 0000000000..0766924b41
--- /dev/null
+++ b/third_party/rust/warp/tests/reply_with.rs
@@ -0,0 +1,64 @@
+#![deny(warnings)]
+use warp::http::header::{HeaderMap, HeaderValue};
+use warp::Filter;
+
+#[tokio::test]
+async fn header() {
+    let header = warp::reply::with::header("foo", "bar");
+
+    let no_header = warp::any().map(warp::reply).with(&header);
+
+    let req = warp::test::request();
+    let resp = req.reply(&no_header).await;
+    assert_eq!(resp.headers()["foo"], "bar");
+
+    let prev_header = warp::reply::with::header("foo", "sean");
+    let yes_header = warp::any().map(warp::reply).with(prev_header).with(header);
+
+    let req = warp::test::request();
+    let resp = req.reply(&yes_header).await;
+    assert_eq!(resp.headers()["foo"], "bar", "replaces header");
+}
+
+#[tokio::test]
+async fn headers() {
+    let mut headers = HeaderMap::new();
+    headers.insert("server", HeaderValue::from_static("warp"));
+    headers.insert("foo", HeaderValue::from_static("bar"));
+
+    let headers = warp::reply::with::headers(headers);
+
+    let no_header = warp::any().map(warp::reply).with(&headers);
+
+    let req = warp::test::request();
+    let resp = req.reply(&no_header).await;
+    assert_eq!(resp.headers()["foo"], "bar");
+    assert_eq!(resp.headers()["server"], "warp");
+
+    let prev_header = warp::reply::with::header("foo", "sean");
+    let yes_header = warp::any().map(warp::reply).with(prev_header).with(headers);
+
+    let req = warp::test::request();
+    let resp = req.reply(&yes_header).await;
+    assert_eq!(resp.headers()["foo"], "bar", "replaces header");
+}
+
+#[tokio::test]
+async fn default_header() {
+    let def_header = warp::reply::with::default_header("foo", "bar");
+
+    let no_header = warp::any().map(warp::reply).with(&def_header);
+
+    let req = warp::test::request();
+    let resp = req.reply(&no_header).await;
+
+    assert_eq!(resp.headers()["foo"], "bar");
+
+    let header = warp::reply::with::header("foo", "sean");
+    let yes_header = warp::any().map(warp::reply).with(header).with(def_header);
+
+    let req = warp::test::request();
+    let resp = req.reply(&yes_header).await;
+
+    assert_eq!(resp.headers()["foo"], "sean", "doesn't replace header");
+}