feat(axum): add safe html page composition

Add a SafeHtml PageRequest path for shell/partial composition and migrate examples so rendered hemplate fragments stay typed through the transport boundary instead of round-tripping through unchecked strings. req: axum_integration/001 req: html_safety/001 req: html_safety/002
2026-06-01 23:45:52 +02:00
parent a287d87e38
commit 4e47b470a7
6 changed files with 96 additions and 49 deletions
@@ -6,7 +6,7 @@ use slhx_axum::{
    InteractionFormRejection, PageMode, PageRequest, PageResponse, SLHX_CONTENT_TYPE,
    SLHX_FINGERPRINT_HEADER, SLHX_PARTIAL_HEADER, SLHX_RUNTIME_CONTENT_TYPE, SLHX_TITLE_HEADER,
 };
-use slhx_core::{push, BuildFingerprint, Handle, Slot};
+use slhx_core::{push, BuildFingerprint, Handle, SafeHtml, Slot};

 fn selector(value: &str) -> Selector {
    Selector::parse(value).expect("test selector parses")
@@ -47,6 +47,46 @@ fn page_request_wraps_full_pages_and_leaves_partials_unwrapped() {
    assert_eq!(partial_fragment.select(&selector("body[data-shell=\"docs\"]")).count(), 0);
 }

+#[test]
+fn page_request_wraps_safe_html_full_pages_and_leaves_partials_unwrapped() {
+    // req: axum_integration/001 req: html_safety/001 req: html_safety/002 req: test/005
+    let full = PageRequest {
+        mode: PageMode::Full,
+    }
+    .page_html(
+        SafeHtml::trusted("<main data-page=\"docs\">Docs</main>"),
+        |content| {
+            SafeHtml::trusted(format!(
+                "<html><body data-shell=\"docs\">{content}</body></html>"
+            ))
+        },
+    );
+    assert_eq!(full.mode, PageMode::Full);
+    let full_document = Html::parse_document(&full.html);
+    assert_eq!(
+        full_document
+            .select(&selector("body[data-shell=\"docs\"] main[data-page=\"docs\"]"))
+            .count(),
+        1
+    );
+
+    let partial = PageRequest {
+        mode: PageMode::Partial,
+    }
+    .page_html(
+        SafeHtml::trusted("<main data-page=\"docs\">Docs</main>"),
+        |content| {
+            SafeHtml::trusted(format!(
+                "<html><body data-shell=\"docs\">{content}</body></html>"
+            ))
+        },
+    );
+    assert_eq!(partial.mode, PageMode::Partial);
+    let partial_fragment = Html::parse_fragment(&partial.html);
+    assert_eq!(partial_fragment.select(&selector("main[data-page=\"docs\"]")).count(), 1);
+    assert_eq!(partial_fragment.select(&selector("body[data-shell=\"docs\"]")).count(), 0);
+}
+
 #[test]
 fn partial_page_response_sets_partial_and_title_headers() {
    let response = PageResponse::partial("<main>Docs</main>")