register_tool_signal.https.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webmcp/imperative/register_tool_signal.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title>WebMCP registerTool signal</title>

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

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

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

</head>

<body>

<script>

const tool = {

  name: 'empty',

  description: 'empty',

  execute: () => {},

};

promise_test((t) => {

  const controller = new AbortController();

  const p = document.modelContext.registerTool(tool, { signal: controller.signal });

  controller.abort();

  return promise_rejects_dom(t, 'AbortError', p);

}, 'register tool promise rejects with AbortError when signal gets aborted');

promise_test((t) => {

  const controller = new AbortController();

  const p = document.modelContext.registerTool(tool, { signal: controller.signal });

  const error = new Error('abort error');

  controller.abort(error);

  return promise_rejects_exactly(t, error, p);

}, 'register tool promise rejects with error when signal gets aborted');

promise_test((t) => {

  const signal = AbortSignal.abort('aborted');

  const p = document.modelContext.registerTool(tool, { signal });

  return promise_rejects_exactly(t, 'aborted', p);

}, 'register tool promise rejects when signal is already aborted');

promise_test(async (t) => {

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

  assert_equals(tools.length, 0);

  const controller = new AbortController();

  await document.modelContext.registerTool(tool, { signal: controller.signal });

  tools = await document.modelContext.getTools();

  assert_equals(tools.length, 1);

  controller.abort();

  tools = await document.modelContext.getTools();

  assert_equals(tools.length, 0);

}, 'aborting signal unregister tool');

</script>

</body>

</html>