<!DOCTYPE html>
<meta charset="utf-8">
<title>Service Worker: Update the registration with a different script type.</title>
<!-- common.js is for guid() -->
<script src="/common/security-features/resources/common.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
// The following two tests check that a registration is updated correctly
// with different script type. At first Service Worker is registered as
// classic script type, then it is re-registered as module script type,
// and vice versa. A main script is also updated at the same time.
promise_test(async t => {
  const key = guid();
  const script = `resources/update-registration-with-type.py?classic_first=1&key=${key}`;
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with classic script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  });
  const firstWorker = firstRegistration.installing;
  await wait_for_state(t, firstWorker, 'activated');
  firstWorker.postMessage(' ');
  let msgEvent = await new Promise(r => navigator.serviceWorker.onmessage = r);
  assert_equals(msgEvent.data, 'A classic script.');

  // Re-register with module script type.
  const secondRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  const secondWorker = secondRegistration.installing;
  secondWorker.postMessage(' ');
  msgEvent = await new Promise(r => navigator.serviceWorker.onmessage = r);
  assert_equals(msgEvent.data, 'A module script.');

  assert_not_equals(firstWorker, secondWorker);
  assert_equals(firstRegistration, secondRegistration);
}, 'Update the registration with a different script type (classic => module).');

promise_test(async t => {
  const key = guid();
  const script = `resources/update-registration-with-type.py?classic_first=0&key=${key}`;
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with module script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  const firstWorker = firstRegistration.installing;
  await wait_for_state(t, firstWorker, 'activated');
  firstWorker.postMessage(' ');
  let msgEvent = await new Promise(r => navigator.serviceWorker.onmessage = r);
  assert_equals(msgEvent.data, 'A module script.');

  // Re-register with classic script type.
  const secondRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  });
  const secondWorker = secondRegistration.installing;
  secondWorker.postMessage(' ');
  msgEvent = await new Promise(r => navigator.serviceWorker.onmessage = r);
  assert_equals(msgEvent.data, 'A classic script.');

  assert_not_equals(firstWorker, secondWorker);
  assert_equals(firstRegistration, secondRegistration);
}, 'Update the registration with a different script type (module => classic).');

// The following two tests change the script type while keeping
// the script identical.
promise_test(async t => {
  const script = 'resources/empty-worker.js';
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with classic script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  });
  const firstWorker = firstRegistration.installing;
  await wait_for_state(t, firstWorker, 'activated');

  // Re-register with module script type.
  const secondRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  const secondWorker = secondRegistration.installing;

  assert_not_equals(firstWorker, secondWorker);
  assert_equals(firstRegistration, secondRegistration);
}, 'Update the registration with a different script type (classic => module) '
    + 'and with a same main script.');

promise_test(async t => {
  const script = 'resources/empty-worker.js';
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with module script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  const firstWorker = firstRegistration.installing;
  await wait_for_state(t, firstWorker, 'activated');

  // Re-register with classic script type.
  const secondRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  });
  const secondWorker = secondRegistration.installing;

  assert_not_equals(firstWorker, secondWorker);
  assert_equals(firstRegistration, secondRegistration);
}, 'Update the registration with a different script type (module => classic) '
    + 'and with a same main script.');

// This test checks that a registration is not updated with the same script
// type and the same main script.
promise_test(async t => {
  const script = 'resources/empty-worker.js';
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with module script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  await wait_for_state(t, firstRegistration.installing, 'activated');

  // Re-register with module script type.
  const secondRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  assert_equals(secondRegistration.installing, null);

  assert_equals(firstRegistration, secondRegistration);
}, 'Does not update the registration with the same script type and '
    + 'the same main script.');

// In the case (classic => module), a worker script contains importScripts()
// that is disallowed on module scripts, so the second registration is
// expected to fail script evaluation.
promise_test(async t => {
  const script = 'resources/classic-worker.js';
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with classic script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  });
  assert_not_equals(firstRegistration.installing, null);
  await wait_for_state(t, firstRegistration.installing, 'activated');

  // Re-register with module script type and expect TypeError.
  return promise_rejects(t, new TypeError, navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  }), 'Registering with invalid evaluation should be failed.');
}, 'Update the registration with a different script type (classic => module) '
    + 'and with a same main script. Expect evaluation failed.');

// In the case (module => classic), a worker script contains static-import
// that is disallowed on classic scripts, so the second registration is
// expected to fail script evaluation.
promise_test(async t => {
  const script = 'resources/module-worker.js';
  const scope = 'resources/update-registration-with-type';
  await service_worker_unregister(t, scope);
  t.add_cleanup(() => service_worker_unregister(t, scope));

  // Register with module script type.
  const firstRegistration = await navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'module'
  });
  assert_not_equals(firstRegistration.installing, null);
  await wait_for_state(t, firstRegistration.installing, 'activated');

  // Re-register with classic script type and expect TypeError.
  return promise_rejects(t, new TypeError, navigator.serviceWorker.register(script, {
    scope: scope,
    type: 'classic'
  }), 'Registering with invalid evaluation should be failed.');
}, 'Update the registration with a different script type (module => classic) '
    + 'and with a same main script. Expect evaluation failed.');
</script>
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