test(js): cover pending conventions

Cover pending-class, indicator visibility, and disable-while-pending runtime conventions around request execution.

req: convention/007

req: convention/008

slhx-js/tests/runtime.rs

@@ -9,6 +9,22 @@ fn runtime_posts_urlencoded_forms_by_default() {
     assert!(source.contains("application/x-www-form-urlencoded;charset=UTF-8"));
 }
 
+#[test]
+fn runtime_toggles_pending_conventions_around_requests() {
+    // req: convention/007 req: convention/008
+    let source = slhx_js::RUNTIME_JS;
+
+    assert!(source.contains("function showPending(el, on)"));
+    assert!(source.contains("el.getAttribute(\"data-slhx-pending-class\")"));
+    assert!(source.contains("el.classList.toggle(klass, on)"));
+    assert!(source.contains("root.querySelectorAll(\"[data-slhx-indicator]\")"));
+    assert!(source.contains("i.hidden = !on"));
+    assert!(source.contains("el.hasAttribute(\"data-slhx-disable-while-pending\")"));
+    assert!(source.contains("c.disabled = on"));
+    assert!(source.contains("showPending(target, true)"));
+    assert!(source.contains("showPending(target, false)"));
+}
+
 #[test]
 fn runtime_confirms_before_handler_dispatch() {
     // req: convention/004