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<!DOCTYPE HTML>
<html>
<head>
<title>Test Error Reporting of Service Worker Failures</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/SpawnTask.js"></script>
<script src="error_reporting_helpers.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
</head>
<body>
<script type="text/javascript">
"use strict";
/**
* Test that a bunch of service worker coding errors and failure modes that
* might otherwise be hard to diagnose are surfaced as console error messages.
* The driving use-case is minimizing cursing from a developer looking at a
* document in Firefox testing a page that involves service workers.
*
* This test assumes that errors will be reported via
* ServiceWorkerManager::ReportToAllClients and that that method is reliable and
* tested via some other file.
**/
add_task(function setupPrefs() {
return SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["dom.caches.testing.enabled", true],
]});
});
/**
* Ensure an error is logged during the initial registration of a SW when a 404
* is received.
*/
add_task(function* register_404() {
// Start monitoring for the error
let expectedMessage = expect_console_message(
"ServiceWorkerRegisterNetworkError",
[make_absolute_url("network_error/"), "404", make_absolute_url("404.js")]);
// Register, generating the 404 error. This will reject with a TypeError
// which we need to consume so it doesn't get thrown at our generator.
yield navigator.serviceWorker.register("404.js", { scope: "network_error/" })
.then(
() => { ok(false, "should have rejected"); },
(e) => { ok(e.name === "TypeError", "404 failed as expected"); });
yield wait_for_expected_message(expectedMessage);
});
/**
* Ensure an error is logged when the service worker is being served with a
* MIME type of text/plain rather than a JS type.
*/
add_task(function* register_bad_mime_type() {
let expectedMessage = expect_console_message(
"ServiceWorkerRegisterMimeTypeError",
[make_absolute_url("bad_mime_type/"), "text/plain",
make_absolute_url("sw_bad_mime_type.js")]);
// consume the expected rejection so it doesn't get thrown at us.
yield navigator.serviceWorker.register("sw_bad_mime_type.js", { scope: "bad_mime_type/" })
.then(
() => { ok(false, "should have rejected"); },
(e) => { ok(e.name === "SecurityError", "bad MIME type failed as expected"); });
yield wait_for_expected_message(expectedMessage);
});
</script>
</body>
</html>
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