test(axum): use dom-aware html assertions

Harden axum response and root fingerprint tests with scraper-based HTML parsing instead of raw rendered-string equality. req: test/005
2026-05-25 23:19:13 +02:00
parent 355fc99888
commit 227a408985
4 changed files with 47 additions and 13 deletions
@@ -533,30 +533,46 @@ mod tests {
    use super::{encode_sse_batch, html_with_root_fingerprint, sse, BuildFingerprint, InteractionForm, SLHX_SSE_EVENT};
    use axum::{body::{to_bytes, Body}, extract::FromRequest, http::{header, Request}, response::IntoResponse};
    use futures_util::stream;
+    use scraper::{Html, Selector};
    use slhx_core::{EffectBatch, EFFECT_BATCH_ABI_VERSION};
    use std::convert::Infallible;

+    fn selector(value: &str) -> Selector {
+        Selector::parse(value).expect("test selector parses")
+    }
+
    #[test]
    fn root_fingerprint_is_added_to_initial_root() {
+        // req: test/005
        let html = html_with_root_fingerprint(
            "<html><body><main data-slhx-root>Docs</main></body></html>".into(),
            BuildFingerprint(99),
        );

-        assert_eq!(
-            html,
-            "<html><body><main data-slhx-root data-slhx-fp=\"99\">Docs</main></body></html>"
-        );
+        let document = Html::parse_document(&html);
+        let root = document
+            .select(&selector("main[data-slhx-root]"))
+            .next()
+            .expect("root element is rendered");
+        assert_eq!(root.value().attr("data-slhx-fp"), Some("99"));
+        assert_eq!(root.text().collect::<String>(), "Docs");
    }

    #[test]
    fn existing_root_fingerprint_is_preserved() {
+        // req: test/005
        let html = html_with_root_fingerprint(
            "<main data-slhx-root data-slhx-fp=\"1\">Docs</main>".into(),
            BuildFingerprint(99),
        );

-        assert_eq!(html, "<main data-slhx-root data-slhx-fp=\"1\">Docs</main>");
+        let document = Html::parse_fragment(&html);
+        let root = document
+            .select(&selector("main[data-slhx-root]"))
+            .next()
+            .expect("root element is rendered");
+        assert_eq!(root.value().attr("data-slhx-fp"), Some("1"));
+        assert_eq!(root.text().collect::<String>(), "Docs");
    }

    #[tokio::test]