redirect-url.sub.https.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prefetch/redirect-url.sub.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta name="timeout" content="long">

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

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

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="/common/utils.js"></script>

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

<script src="resources/utils.sub.js"></script>

<script>

  setup(() => assertSpeculationRulesIsSupported());

  promise_test(async t => {

    const agent = await spawnWindow(t);

    // Because `forceSinglePrefetch()` waits for 2 seconds, the redirect and final

    // responses are expected to be received before `navigate()` below.

    const nextUrl = new URL('/common/redirect.py', location.href);

    const finalUrl = agent.getExecutorURL({ page: 2 });

    nextUrl.searchParams.set('location', finalUrl);

    await agent.forceSinglePrefetch(nextUrl);

    await agent.navigate(nextUrl, {expectedDestinationUrl: finalUrl});

    assert_prefetched(await agent.getRequestHeaders(),

        'Prefetched response should be used by navigation.');

  }, 'Redirect and final response received before navigation start');

  promise_test(async t => {

    const agent = await spawnWindow(t);

    // Because `forceSinglePrefetch()` waits for 2 seconds, we put 2.5-second delay

    // here to make the redirect response is received after `navigate()` below.

    const nextUrl = new URL('/common/slow-redirect.py?delay=2.5', location.href);

    const finalUrl = agent.getExecutorURL({ page: 2 });

    nextUrl.searchParams.set('location', finalUrl);

    await agent.forceSinglePrefetch(nextUrl);

    await agent.navigate(nextUrl, {expectedDestinationUrl: finalUrl});

    assert_prefetched(await agent.getRequestHeaders(),

        'Prefetched response should be used by navigation.');

  }, 'Same-origin redirect response received after navigation start');

  promise_test(async t => {

    const agent = await spawnWindow(t);

    // Because `forceSinglePrefetch()` waits for 2 seconds, we put 2.5-second delay

    // here to make the redirect response is received after `navigate()` below.

    const nextUrl = new URL('/common/slow-redirect.py?delay=2.5', location.href);

    const finalUrl = agent.getExecutorURL({ page: 2, hostname: '{{hosts[alt][www]}}' });

    nextUrl.searchParams.set('location', finalUrl);

    await agent.forceSinglePrefetch(nextUrl);

    await agent.navigate(nextUrl, {expectedDestinationUrl: finalUrl});

    assert_prefetched(await agent.getRequestHeaders(),

        'Prefetched response should be used by navigation.');

  }, 'Cross-site redirect response received after navigation start');

</script>