v0.34.0_p1

src/cache/tests/cold_tier_tests.rs

@@ -89,6 +89,51 @@ async fn selective_purge_removes_matching_cold_object() {
     shutdown.cancel();
 }
 
+#[tokio::test]
+async fn aged_transformed_css_remains_fresh_when_demoted_to_cold() {
+    let dir = tempfile::tempdir().unwrap();
+    let settings = cold_settings();
+    let shutdown = CancellationToken::new();
+    let cache = Cache::start(11, Some(dir.path().to_path_buf()), settings.clone(), shutdown.clone());
+    let ticket = cache.ticket_scoped(
+        11, "cold-test", "http", "cold.example", "origin@127.0.0.1:8080",
+        "/aged-theme.css", &HeaderMap::new(),
+    ).unwrap();
+    let body = b"body { color: red; margin: 0px; }";
+    let mut origin = Response::new(Body::from(Bytes::from_static(body)));
+    origin.headers_mut().insert("cache-control", HeaderValue::from_static("public, max-age=2592000"));
+    origin.headers_mut().insert("age", HeaderValue::from_static("1553483"));
+    origin.headers_mut().insert("date", httpdate::fmt_http_date(SystemTime::now()).parse().unwrap());
+    origin.headers_mut().insert("content-type", HeaderValue::from_static("text/css"));
+    origin.headers_mut().insert("content-length", HeaderValue::from_str(&body.len().to_string()).unwrap());
+    origin.headers_mut().insert("etag", HeaderValue::from_static("\"origin\""));
+    let origin_plan = plan(StatusCode::OK, origin.headers(), &settings, Duration::ZERO).unwrap();
+    let transformed = crate::transform::apply(origin, "/aged-theme.css",
+        &crate::transform::Settings { enabled: true, css: true, ..Default::default() }, false
+    ).await.unwrap();
+    let transformed_plan = plan(StatusCode::OK, transformed.headers(), &settings, Duration::ZERO).unwrap();
+    cache.wrap(transformed, ticket.clone(), origin_plan.restrict(transformed_plan), &settings)
+        .into_body().collect().await.unwrap();
+    assert_eq!(cache.view().entries, 1);
+    let _another = fill(&cache, &settings, "/another", "another-payload").await;
+    wait_for_cold(&cache, 1).await;
+    let row = cache.dashboard(Some("cold-test"), 0, 20).objects
+        .into_iter().find(|v| v.path == "/aged-theme.css").unwrap();
+    assert_eq!(row.tier, "cold");
+    assert!(row.transformed);
+    assert!(row.remaining_ttl_seconds >= 86_000);
+    shutdown.cancel();
+    drop(cache);
+    let shutdown = CancellationToken::new();
+    let cache = Cache::start(11, Some(dir.path().to_path_buf()), settings.clone(), shutdown.clone());
+    let hit = cache.get_tiered(&ticket, &settings).await.expect("aged transformed COLD should HIT after restart");
+    assert!(hit.transformed);
+    assert!(hit.remaining_ttl >= 86_000);
+    let transformed_body = hit.response.into_body().collect().await.unwrap().to_bytes();
+    assert_ne!(transformed_body.as_ref(), &body[..]);
+    shutdown.cancel();
+}
+
 #[tokio::test]
 async fn lru_demotion_persists_and_survives_restart() {
     let dir = tempfile::tempdir().unwrap();