diff --git a/backend/src/services/feed_parser.rs b/backend/src/services/feed_parser.rs
index e6d9943..6234a26 100644
--- a/backend/src/services/feed_parser.rs
+++ b/backend/src/services/feed_parser.rs
@@ -684,4 +684,71 @@ mod tests {
FeedResult::NotFound => panic!("Expected Found after re-discovery"),
}
}
+
+ #[tokio::test]
+ async fn full_flow_rss_first_with_html_fallback() {
+ skip_ssrf_for_test();
+
+ // Source 1: has an RSS feed with 5 articles
+ let server1 = MockServer::start().await;
+ let rss_body = r#"
+Blog
+ - A1https://blog.example.com/1Thu, 03 Apr 2026 10:00:00 GMT
+ - A2https://blog.example.com/2Wed, 02 Apr 2026 10:00:00 GMT
+ - A3https://blog.example.com/3Tue, 01 Apr 2026 10:00:00 GMT
+ - A4https://blog.example.com/4Mon, 31 Mar 2026 10:00:00 GMT
+ - A5https://blog.example.com/5Sun, 30 Mar 2026 10:00:00 GMT
+"#;
+
+ Mock::given(method("GET"))
+ .respond_with(ResponseTemplate::new(200).set_body_raw(rss_body, "application/rss+xml"))
+ .mount(&server1)
+ .await;
+
+ let client = reqwest::Client::new();
+
+ // With cached RSS URL (fresh) — should use RSS directly
+ let result = detect_and_parse_feed(
+ &client,
+ "https://blog.example.com",
+ Some(&server1.uri()),
+ Some(Utc::now()),
+ 10,
+ ).await;
+
+ match result {
+ FeedResult::Found { entries, .. } => {
+ assert_eq!(entries.len(), 5);
+ // Verify sorted newest first
+ for i in 0..entries.len() - 1 {
+ if let (Some(a), Some(b)) = (&entries[i].published_date, &entries[i + 1].published_date) {
+ assert!(a >= b, "Entries should be sorted newest first");
+ }
+ }
+ }
+ FeedResult::NotFound => panic!("Expected Found"),
+ }
+
+ // Source 2: no RSS feed, only HTML — should return NotFound
+ let server2 = MockServer::start().await;
+ let html = r#"No feed
+ Article 1
+ "#;
+
+ Mock::given(method("GET"))
+ .respond_with(ResponseTemplate::new(200).set_body_string(html))
+ .mount(&server2)
+ .await;
+
+ let result = detect_and_parse_feed(
+ &client,
+ &server2.uri(),
+ None,
+ None,
+ 10,
+ ).await;
+
+ // No feed found — pipeline would fall back to source_scraper
+ assert!(matches!(result, FeedResult::NotFound));
+ }
}