opaque-origin-tools.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webmcp/imperative/opaque-origin-tools.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title>WebMCP Opaque Origin Tool</title>

<link rel="author" href="mailto:dom@chromium.org">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

</head>

<body>

<script>

promise_test(async t => {

  // Assert that our CSP header took effect.

  assert_equals(self.origin, 'null');

  const toolchange_promise = new Promise(resolve => {

    navigator.modelContext.addEventListener('toolchange', resolve, { once: true });

});

  navigator.modelContext.registerTool({

    name: 'opaque_tool',

    description: 'Opaque tool description',

    execute: async () => 'success'

});

  await toolchange_promise;

  // The tool should be available, but its execution is rejected because opaque

  // origins lose their same-origin identity during string serialization ("null").

  const tools = await navigator.modelContext.getTools();

  const tool = tools.find(t => t.name === 'opaque_tool');

  await promise_rejects_dom(

t,

    'UnknownError',

    navigator.modelContext.executeTool(tool, '{}'),

    'executeTool() must reject with UnknownError in opaque origin documents'

);

}, 'An opaque origin document can register but not execute its own tools');

</script>

</body>

</html>