translator-create-user-activation.optional.https.window.js

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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:
- /ai/translator/translator-create-user-activation.optional.https.window.html - WPT Dashboard Interop Dashboard

// META: title=Translator Create User Activation

// META: script=/resources/testdriver.js

// META: script=/resources/testdriver-vendor.js

// META: script=../resources/util.js

// META: timeout=long

'use strict';

// Mocked model download state may be shared between test cases in the same file

// (see e.g. `EchoAIManagerImpl`), so this test case is kept in a separate file.

// TODO(crbug.com/390246212): Support model state controls for WPTs.

promise_test(async t => {

  const languagePair = {sourceLanguage: 'en', targetLanguage: 'ja'};

  const availability = await Translator.availability(languagePair);

  assert_implements_optional(

      availability !== 'unavailable',

      'Translator is not available for the given options');

  // The model may already be downloaded, e.g. because it was side-loaded, or

  // because an earlier test downloaded it. Only assert on the user activation

  // requirement when there is actually something left to download.

  if (availability !== 'available') {

    assert_false(navigator.userActivation.isActive);

    await promise_rejects_dom(t, 'NotAllowedError',

                              Translator.create(languagePair));

    await test_driver.bless();

    await Translator.create(languagePair);

  // Create does not require user activation when availability is 'available'.

  assert_equals(await Translator.availability(languagePair), 'available');

  // The create call above consumes the transient user activation, but consume

  // it explicitly so that this does not rely on which branch was taken.

  consumeTransientUserActivation();

  assert_false(navigator.userActivation.isActive);

  await Translator.create(languagePair);

}, 'Create requires user activation when availability is "downloadable"');