94 lines
3.3 KiB
JavaScript
94 lines
3.3 KiB
JavaScript
// META: script=/resources/testdriver.js
|
|
// META: script=/resources/testdriver-vendor.js
|
|
// META: script=/common/utils.js
|
|
// META: script=/fledge/tentative/resources/fledge-util.sub.js
|
|
// META: script=/common/subset-tests.js
|
|
// META: script=/shared-storage/resources/util.js
|
|
// META: script=/fenced-frame/resources/utils.js
|
|
// META: timeout=long
|
|
|
|
"use strict;"
|
|
|
|
subsetTest(promise_test, async test => {
|
|
let worklet = await sharedStorage.createWorklet('resources/simple-module.js');
|
|
|
|
const ancestor_key = token();
|
|
let url0 = generateURL("/shared-storage/resources/frame0.html",
|
|
[ancestor_key]);
|
|
let url1 = generateURL("/shared-storage/resources/frame1.html",
|
|
[ancestor_key]);
|
|
|
|
// Override the default resource path, as we are not running within the Fledge
|
|
// repository.
|
|
RESOURCE_PATH = '/fledge/tentative/resources/';
|
|
|
|
const pa_uuid = generateUuid(test);
|
|
|
|
let biddingLogicURL = createBiddingScriptURL(
|
|
{
|
|
generateBid:
|
|
`
|
|
sharedStorage.append('key', 'a', {withLock: 'lock1'});
|
|
|
|
return {};
|
|
`
|
|
});
|
|
|
|
let decisionLogicURL = createDecisionScriptURL(pa_uuid);
|
|
|
|
// Invoke `selectURL()` to perform the following steps:
|
|
// 1. Acquires the lock.
|
|
// 2. Reads the current value at the given key.
|
|
// 3. Waits for 500ms.
|
|
// 4. Sets the shared storage value to the read value appended with the given letter.
|
|
// 5. Releases the lock.
|
|
//
|
|
// After 100ms, run a Protected Audience auction which triggers `append()`
|
|
// with the same lock and the same letter.
|
|
//
|
|
// Expected behavior: After both of them finish, the value at the given key
|
|
// should contain the letter repeated twice.
|
|
//
|
|
// This demonstrates that the `withLock` option is effective, preventing the
|
|
// `append()` method interfering with the "get and set" operation. If the lock
|
|
// were not used, the final value would likely be a single letter.
|
|
//
|
|
// Note: This test remains valid even if the `append()` happens outside
|
|
// the critical section protected by the lock within the worklet. The test
|
|
// effectively demonstrates mutual exclusion as long as there's a reasonable
|
|
// chance for `append()` to occur while the worklet is still running.
|
|
let select_url_result = await worklet.selectURL(
|
|
"get-wait-set-within-lock",
|
|
[{url: url0}, {url: url1}],
|
|
{data: {'key': 'key',
|
|
'lock_name': 'lock1',
|
|
'append_letter': 'a'},
|
|
resolveToConfig: true});
|
|
|
|
// Busy wait for 100ms.
|
|
const startWaitTime = Date.now();
|
|
while (Date.now() - startWaitTime < 100) {}
|
|
|
|
// Run a Protected Audience auction which triggers `append()`` with the same
|
|
// lock and the same letter.
|
|
await joinGroupAndRunBasicFledgeTestExpectingNoWinner(
|
|
test,
|
|
{
|
|
uuid: pa_uuid,
|
|
interestGroupOverrides: {
|
|
name: pa_uuid,
|
|
biddingLogicURL: biddingLogicURL,
|
|
},
|
|
auctionConfigOverrides: {
|
|
decisionLogicURL: decisionLogicURL
|
|
}
|
|
});
|
|
|
|
attachFencedFrame(select_url_result, 'opaque-ads');
|
|
const result = await nextValueFromServer(ancestor_key);
|
|
assert_equals(result, "frame1_loaded");
|
|
|
|
await verifyKeyValueForOrigin('key', 'aa', location.origin);
|
|
|
|
await deleteKeyForOrigin('key', location.origin);
|
|
}, 'Test for withLock option in a Protected Audience Worklet context');
|