summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html
diff options
context:
space:
mode:
Diffstat (limited to 'testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html')
-rw-r--r--testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html66
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html b/testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html
new file mode 100644
index 0000000000..cd1550b819
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prerender/restriction-background-fetch.https.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<title>Access to the Background Fetch API is deferred</title>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script src="/speculation-rules/prerender/resources/utils.js"></script>
+<body>
+<script>
+
+setup(() => assertSpeculationRulesIsSupported());
+
+promise_test(async t => {
+ const uid = token();
+ const bc = new PrerenderChannel('test-channel', uid);
+ t.add_cleanup(_ => bc.close());
+
+ // We grant the permission here to make a more discerning test because
+ // backgroundFetch.fetch() waits until the permission is granted, which
+ // is deferred during prerendering so the test would trivially pass without
+ // the permission.
+ await test_driver.set_permission({ name: "background-fetch" }, "granted");
+
+ const gotMessage = new Promise(resolve => {
+ bc.addEventListener('message', e => {
+ resolve(e.data);
+ }, {
+ once: true
+ });
+ });
+
+ // Install the service worker first to test backgroundFetch.fetch in the
+ // prerendering page.
+ const scope = 'resources/';
+ const script = 'resources/do-nothing-worker.js';
+ const registration =
+ await service_worker_unregister_and_register(t, script, scope);
+ t.add_cleanup(() => registration.unregister());
+ await wait_for_state(t, registration.installing, 'activated');
+
+ const url = `resources/background-fetch.https.html?uid=${uid}`;
+ window.open(url, '_blank', 'noopener');
+
+ const result = await gotMessage;
+ const expected = [
+ {event: 'started waiting backgroundFetch.fetch', prerendering: true},
+ {event: 'prerendering change', prerendering: false},
+ {event: 'finished waiting backgroundFetch.fetch', prerendering: false},
+ ];
+ assert_equals(result.length, expected.length);
+ for (let i = 0; i < result.length; i++) {
+ assert_equals(result[i].event, expected[i].event, `event[${i}]`);
+ assert_equals(result[i].prerendering, expected[i].prerendering,
+ `prerendering[${i}]`);
+ }
+
+ // Send a close signal to PrerenderEventCollector on the prerendered page.
+ new PrerenderChannel('close', uid).postMessage('');
+}, `The access to the Background Fetch API should be deferred until the
+ prerendered page is activated`);
+
+</script>
+</body>