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WebKit export of https://bugs.webkit.org/show_bug.cgi?id=202792 #19618

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merged 1 commit into from Oct 24, 2019
Merged

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=202792 #19618

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22 changes: 22 additions & 0 deletions service-workers/service-worker/fetch-error-worker.js
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importScripts("/resources/testharness.js");

function doTest(event)
{
if (!event.request.url.includes("fetch-error-test"))
return;

let counter = 0;
const stream = new ReadableStream({ pull: controller => {
switch (++counter) {
case 1:
controller.enqueue(new Uint8Array([1]));
return;
default:
// We asynchronously error the stream so that there is ample time to resolve the fetch promise and call text() on the response.
step_timeout(() => controller.error("Sorry"), 50);
}
}});
event.respondWith(new Response(stream));
}

self.addEventListener("fetch", doTest);
40 changes: 40 additions & 0 deletions service-workers/service-worker/fetch-error.https.html
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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
</head>
<body>
<script>
var scope = "resources";
var registration;

promise_test(async (test) => {
registration = await navigator.serviceWorker.register("fetch-error-worker.js", { scope : scope });
var activeWorker = registration.active;
if (activeWorker)
return;
activeWorker = registration.installing;
return new Promise(resolve => {
activeWorker.addEventListener('statechange', () => {
if (activeWorker.state === "activated")
resolve();
});
});
}, "Setup service worker");

promise_test(async (test) => {
const iframe = await with_iframe(scope);

const response = await iframe.contentWindow.fetch("fetch-error-test");
await response.text().then(assert_unreached, (error) => { assert_true(error.message.includes("Sorry")); });
iframe.remove();
}, "Make sure a load that makes progress does not time out");

promise_test(async () => {
registration.unregister();
}, "Unregister service worker");
</script>
</body>
</html>