test: add end-to-end RSS flow test for feed_parser

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2 months ago · 7e1ab0996b
parent 027c576302
commit 7e1ab0996b
1 changed files with 67 additions and 0 deletions
--- 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#"<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0"><channel><title>Blog</title>
+  <item><title>A1</title><link>https://blog.example.com/1</link><pubDate>Thu, 03 Apr 2026 10:00:00 GMT</pubDate></item>
+  <item><title>A2</title><link>https://blog.example.com/2</link><pubDate>Wed, 02 Apr 2026 10:00:00 GMT</pubDate></item>
+  <item><title>A3</title><link>https://blog.example.com/3</link><pubDate>Tue, 01 Apr 2026 10:00:00 GMT</pubDate></item>
+  <item><title>A4</title><link>https://blog.example.com/4</link><pubDate>Mon, 31 Mar 2026 10:00:00 GMT</pubDate></item>
+  <item><title>A5</title><link>https://blog.example.com/5</link><pubDate>Sun, 30 Mar 2026 10:00:00 GMT</pubDate></item>
+</channel></rss>"#;
+
+        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#"<html><head><title>No feed</title></head><body>
+        <a href="/article-1">Article 1</a>
+        </body></html>"#;
+
+        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));
+    }
 }