xi include part 1

test/refs.test.mjs

@@ -216,3 +216,29 @@ test("top-level asset ids with plain pipeline ids are not references", () => {
     0,
   );
 });
+
+test("xi:include elements are outside the XSD model and unvalidated", () => {
+  // The nested XInclude inside a GameObject draw list (HeadlightDraw2.xml)
+  // must resolve to no XSD type, so href/xpointer can never be flagged as
+  // unknown attributes.
+  const xml = `
+<AssetDeclaration>
+  <GameObject id="GuardianTank">
+    <Draws>
+      <xi:include
+        href="DATA:Includes/HeadlightDraw2.xml"
+        xpointer="xmlns(n=uri:ea.com:eala:asset) xpointer(/n:HeadlightDraw2/child::*)" />
+    </Draws>
+  </GameObject>
+</AssetDeclaration>`;
+  const doc = parseXml(xml);
+  const inc = doc.elements.find((e) => e.name === "xi:include");
+  assert.ok(inc);
+  assert.equal(model.isXsdElementName(inc.name), false);
+  assert.equal(resolveElementType(inc), null);
+  // The XInclude attributes themselves are unprefixed (model-valid name
+  // shape); the element-level foreign check is what keeps them quiet.
+  for (const a of inc.attrs) {
+    assert.equal(model.isXsdAttributeName(a.name), true, a.name);
+  }
+});

test/schemaModel.test.mjs

@@ -53,6 +53,23 @@ test("Include has reference/instance/all enum", () => {
   assert.deepEqual(type?.enumValues, ["reference", "instance", "all"]);
 });
 
+test("foreign namespaces are excluded from XSD validation", () => {
+  // XInclude elements (xi:include / xi:fallback) come from the W3C XInclude
+  // namespace, not from the EA asset XSD.
+  assert.equal(model.isXsdElementName("xi:include"), false);
+  assert.equal(model.isXsdElementName("xi:fallback"), false);
+  assert.equal(model.isXsdElementName("GameObject"), true);
+  assert.equal(model.isXsdElementName("AssetDeclaration"), true);
+  // EA schema attributes are unprefixed; prefixed attributes (xai:, xi:,
+  // xlink:, xml:, xsi:, xmlns:*) are namespace machinery.
+  assert.equal(model.isXsdAttributeName("href"), true);
+  assert.equal(model.isXsdAttributeName("xpointer"), true);
+  assert.equal(model.isXsdAttributeName("xai:joinAction"), false);
+  assert.equal(model.isXsdAttributeName("xlink:href"), false);
+  assert.equal(model.isXsdAttributeName("xml:space"), false);
+  assert.equal(model.isXsdAttributeName("xmlns:xi"), false);
+});
+
 test("type assignability follows inheritance", () => {
   assert.ok(model.isAssignableTo("GameObject", "BaseInheritableAsset"));
   assert.ok(model.isAssignableTo("GameObject", "GameObject"));