chromium/third_party/blink/web_tests/external/wpt/service-workers/service-worker/static-router-race-network-and-fetch-handler.https.html

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<title>
  Static Router: routers are evaluated with the request desitnation condition.
</title>
<script src="/common/get-host-info.sub.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/service-workers/service-worker/resources/test-helpers.sub.js">
</script>
<script src="resources/static-router-helpers.sub.js">
</script>
<body>
<script>
const ROUTER_KEY = 'condition-urlpattern-string-source-race-network-and-fetch-handler';
const SW_SRC = 'resources/static-router-race-network-and-fetch-handler-sw.js';
const FRAME_SRC = 'resources/direct.py';

promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, `${FRAME_SRC}?nonce=${rnd}&server_slow`);
  // Expect the response from the fetch handler.
  assert_equals(iframe.contentWindow.document.body.innerText, rnd);
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 1);
}, 'Main resource load matched the rule with race-network-and-fetch-handler source, and the fetch handler response is faster than the server response');

promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, `${FRAME_SRC}?nonce=${rnd}&sw_slow`);
  // Expect the response from the netowrk request.
  assert_equals(iframe.contentWindow.document.body.innerText, "Network with GET request");
  // Ensure the fetch handler is also executed.
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 1);
}, 'Main resource load matched the rule with race-network-and-fetch-handler source, and the server reseponse is faster than the fetch handler');

promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, FRAME_SRC);
  // Expect the response from the fetch handler.
  const response = await iframe.contentWindow.fetch(`?nonce=${rnd}&server_slow`);
  assert_equals(response.status, 200);
  assert_equals(await response.text(), rnd);
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 2);
}, 'Subresource load matched the rule with race-network-and-fetch-handler source, and the fetch handler response is faster than the server response');

promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, FRAME_SRC);
  // Expect the response from the network request.
  const response = await iframe.contentWindow.fetch(`?nonce=${rnd}&sw_slow`);
  assert_equals(response.status, 200);
  assert_equals(await response.text(), "Network with GET request");
  // Ensure the fetch handler is also executed.
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 2);
}, 'Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse is faster than the fetch handler');

promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, FRAME_SRC);
  // Expect the response from the network request.
  const response = await iframe.contentWindow.fetch(`?nonce=${rnd}&sw_slow&server_no_content`);
  assert_equals(response.status, 204);
  // Ensure the fetch handler is also executed.
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 2);
}, 'Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse with 204 response is faster than the fetch handler');


promise_test(async t => {
  const rnd = randomString();
  const worker = await registerAndActivate(t, ROUTER_KEY, SW_SRC);
  const iframe = await createIframe(t, FRAME_SRC);
  const response = await iframe.contentWindow.fetch(`?nonce=${rnd}&sw_slow&server_not_found`);
  // Expect the response from the network request was faster, but the result was 404.
  // So, the fetch handler result will be used instead.
  assert_equals(response.status, 200);
  assert_equals(await response.text(), rnd);
  const {requests}  = await get_info_from_worker(worker);
  assert_equals(requests.length, 2);
}, 'Subresource load matched the rule with race-network-and-fetch-handler source, and the server reseponse is faster than the fetch handler, but not found');
</script>
</body>