register-tool-input-schema-registers-same-name.https.html

Enable keyboard shortcuts

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/register-tool-input-schema-registers-same-name.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>WebMCP: registerTool() whose inputSchema serialization registers a tool with the same name</title>

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

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

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

<body>

<script>

// `registerTool()` rejects a duplicate name, but serializing `inputSchema`

// happens afterwards and can run script. If that script registers a tool with

// the same name, the outer registration must be rejected as a duplicate.

//

// See https://crbug.com/573722078.

promise_test(async t => {

  const controller = new AbortController();

  t.add_cleanup(() => controller.abort());

  let innerPromise;

  const outerPromise = document.modelContext.registerTool({

    name: 'same_name',

    description: 'Outer tool',

    inputSchema: {

      toJSON() {

        innerPromise = document.modelContext.registerTool({

          name: 'same_name',

          description: 'Inner tool',

          execute: () => 'inner',

        }, {signal: controller.signal});

        return {type: 'object'};

},

},

    execute: () => 'outer',

  }, {signal: controller.signal});

  await promise_rejects_dom(t, 'InvalidStateError', outerPromise,

      'The outer registration is rejected as a duplicate');

  await innerPromise;

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

      .filter(tool => tool.name === 'same_name');

  assert_equals(tools.length, 1, 'Exactly one tool named same_name');

  assert_equals(tools[0].description, 'Inner tool');

}, 'A tool registered during inputSchema serialization makes the outer ' +

   'registration a duplicate');

</script>

</body>