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36 lines
1.2 KiB
HTML
36 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Tests Stale While Revalidate is executed for fetch API</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/utils.js"></script>
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<script>
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function wait25ms(test) {
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return new Promise(resolve => {
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test.step_timeout(() => {
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resolve();
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}, 25);
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});
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}
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promise_test(async (test) => {
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var request_token = token();
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const response = await fetch(`resources/stale-script.py?token=` + request_token);
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// Wait until resource is completely fetched to allow caching before next fetch.
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const body = await response.text();
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const response2 = await fetch(`resources/stale-script.py?token=` + request_token);
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assert_equals(response.headers.get('Unique-Id'), response2.headers.get('Unique-Id'));
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const body2 = await response2.text();
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assert_equals(body, body2);
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while(true) {
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const revalidation_check = await fetch(`resources/stale-script.py?query&token=` + request_token);
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if (revalidation_check.headers.get('Count') == '2') {
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break;
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}
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await wait25ms(test);
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}
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}, 'Second fetch returns same response');
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</script>
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