Add WPT test for Document-Policy: expect-no-linked-resources

Add a tentative and optional test case for whatwg/html#10718.
web-platform-tests · Dec 11, 2024 · e2df4d4 · e2df4d4
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diff --git a/...eculative-parsing/expect-no-linked-resources/no-speculative-fetch.tentative.optional.html b/...eculative-parsing/expect-no-linked-resources/no-speculative-fetch.tentative.optional.html
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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Speculative parsing, expect-no-linked-resources Document-Policy</title>
+<meta name="timeout" content="long">
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/common/utils.js"></script>
+<script>
+  async function get_results(uuid) {
+    const response = await fetch(`/html/syntax/speculative-parsing/expect-no-linked-resources/resources/stash.py?action=get&uuid=${uuid}`);
+    return await response.text();
+  }
+
+  promise_test(async () => {
+    const uuid = token();
+
+    await test_driver.bless('Open a URL with expect-no-linked-resources Document-Policy');
+    const popup = window.open(`/html/syntax/speculative-parsing/expect-no-linked-resources/resources/no-speculative-fetch.sub.html?pipe=sub&uuid=${uuid}`, '_blank');
+    await new Promise(resolve => popup.addEventListener('load', resolve));
+
+    const result = await get_results(uuid);
+    assert_equals(result, '', 'speculative case fetched');
+  }, `expect-no-linked-resources hint was ignored`);
+</script>
diff --git a/...ax/speculative-parsing/expect-no-linked-resources/resources/no-speculative-fetch.sub.html b/...ax/speculative-parsing/expect-no-linked-resources/resources/no-speculative-fetch.sub.html
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+<!doctype html>
+<title>Navigating to a page with expect-no-linked-resources</title>
+
+<body>
+  <script>
+    document.write('<plaintext>');
+  </script>
+  <img
+    src="/html/syntax/speculative-parsing/expect-no-linked-resources/resources/stash.py?action=put&uuid={{GET[uuid]}}">
+</body>
diff --git a/...lative-parsing/expect-no-linked-resources/resources/no-speculative-fetch.sub.html.headers b/...lative-parsing/expect-no-linked-resources/resources/no-speculative-fetch.sub.html.headers
@@ -0,0 +1 @@
+Document-Policy: expect-no-linked-resources
diff --git a/html/syntax/speculative-parsing/expect-no-linked-resources/resources/stash.py b/html/syntax/speculative-parsing/expect-no-linked-resources/resources/stash.py
@@ -0,0 +1,11 @@
+import time
+
+def main(request, response):
+    if request.GET[b"action"] == b"put":
+        # Received result data from target page
+        request.server.stash.put(request.GET[b"uuid"], request.GET[b"uuid"], u'/expect-no-linked-resources/')
+        return u"ok"
+    else:
+        # Request for result data from test page
+        value = request.server.stash.take(request.GET[b"uuid"], u'/expect-no-linked-resources/')
+        return value