unregister-during-executeTool.https.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webmcp/declarative/unregister-during-executeTool.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>WebMCP: executeTool with Unregistered Declarative Tool</title>

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

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

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

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

<body>

<script>

promise_test(async t => {

  const form = document.createElement('form');

  form.setAttribute('toolname', 'endless_tool');

  form.setAttribute('tooldescription', 'Endless declarative tool');

  form.setAttribute('toolautosubmit', '');

  document.body.appendChild(form);

  t.add_cleanup(() => form.remove());

  await waitForTool('endless_tool');

  const submitted_promise = new Promise((resolve) => {

    form.addEventListener('submit', (e) => {

      e.preventDefault();

      // Respond with a Promise that never resolves (hangs forever).

      e.respondWith(new Promise(() => {}));

      resolve();

});

});

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

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

  assert_true(!!tool, 'Tool should be registered');

  const execute_promise = document.modelContext.executeTool(tool, '{}');

  // Wait deterministically for the form to submit and call respondWith().

  await submitted_promise;

  // Unregister the declarative tool by removing the form element while execution is pending.

  form.remove();

  await promise_rejects_dom(

t,

    'UnknownError',

    execute_promise,

    'Pending execution Promise should reject with UnknownError when the target declarative tool is removed from DOM'

);

}, 'Pending executeTool() Promise is rejected when target declarative tool is unregistered via DOM removal');

promise_test(async t => {

  const form = document.createElement('form');

  form.setAttribute('toolname', 'endless_tool_attr');

  form.setAttribute('tooldescription', 'Endless declarative tool attribute');

  form.setAttribute('toolautosubmit', '');

  document.body.appendChild(form);

  t.add_cleanup(() => form.remove());

  await waitForTool('endless_tool_attr');

  const submitted_promise = new Promise((resolve) => {

    form.addEventListener('submit', (e) => {

      e.preventDefault();

      e.respondWith(new Promise(() => {}));

      resolve();

});

});

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

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

  assert_true(!!tool, 'Tool should be registered');

  const execute_promise = document.modelContext.executeTool(tool, '{}');

  // Wait deterministically for the form to submit and call respondWith().

  await submitted_promise;

  // Unregister by removing required tooldescription attribute while execution is pending.

  form.removeAttribute('tooldescription');

  await promise_rejects_dom(

t,

    'UnknownError',

    execute_promise,

    'Pending execution Promise should reject with UnknownError when required tool attribute is removed'

);

}, 'Pending executeTool() Promise is rejected when target declarative tool is unregistered via attribute removal');

</script>

</body>