<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<!
DOCTYPE HTML>
<
html>
<
head>
<
title>Test Cache update its usage to QuotaManager</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
script type=
"text/javascript" src=
"large_url_list.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css" />
</
head>
<
body>
<
script class=
"testbody" type=
"text/javascript">
function setupTestIframe() {
return new Promise(function(resolve) {
var iframe = document.createElement(
"iframe");
iframe.src =
"empty.html";
iframe.onload = function() {
window.caches =
iframe.contentWindow.caches;
resolve();
};
document.
body.appendChild(
iframe);
});
}
function clearStorage() {
return new Promise(function(resolve) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var request = qms.clearStoragesForPrincipal(principal);
var cb = SpecialPowers.wrapCallback(resolve);
request.callback = cb;
});
}
function resetStorage() {
return new Promise(function(resolve) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var request = qms.resetStoragesForPrincipal(principal);
var cb = SpecialPowers.wrapCallback(resolve);
request.callback = cb;
});
}
function getStorageUsage() {
return new Promise(function(resolve) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var cb = SpecialPowers.wrapCallback(function(request) {
var result = request.result;
resolve(result.usage);
});
qms.getUsageForPrincipal(principal, cb);
});
}
function getCachedStorageUsage() {
return new Promise(function(resolve) {
var qms = SpecialPowers.Services.qms;
var principal = SpecialPowers.wrap(document).nodePrincipal;
var cb = SpecialPowers.wrapCallback(function(request) {
var result = request.result;
resolve(result);
});
var request = qms.getCachedUsageForPrincipal(principal);
request.callback = cb;
});
}
async function verifyUsage() {
// This returns origin usage by calculating it from an in-memory
object.
let memoryUsage = await getCachedStorageUsage();
// This returns origin usage by calculating it from file sizes on disk.
let diskUsage = await getStorageUsage();
is(memoryUsage, diskUsage,
"In-memory usage and disk usage should be the same.");
return memoryUsage;
}
async function waitForIOToComplete(cache, request) {
info(
"Wait for IO complete.");
// The following lines ensure we
've deleted orphaned body.
// First, wait for cache operation delete the orphaned
body.
await cache.match(request);
// Finally, wait for -wal file finish its job.
return resetStorage();
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({
"set": [[
"dom.caches.enabled", true],
[
"dom.caches.testing.enabled", true],
[
"dom.quotaManager.testing", true]],
}, async function() {
const name =
"cacheUpdateUsage";
const url =
"test_cache_add.js";
const other_url =
"test_cache_put.js";
// This test mainly ensure DOM Cache updates its usage to QuotaManager when
// executing an operation which creates/deletes files. To do this, we verify
// usage by calling getUsageFromPrincipal twice with different flag(aGroup).
// The reason is we get group usage by collecting in-memory data, and getting
// origin usage by collecting storage usage from files.
await setupTestIframe();
info(
"Stage 1: Clean storage.");
await clearStorage();
await verifyUsage();
info(
"Stage 2: Verify CacheStorage.");
info(
"Stage 2.1: Verify caches.open.");
await caches.open(name);
await verifyUsage();
info(
"Stage 2.2: Verify caches.delete.");
var deleted = await caches.delete(name);
ok(deleted,
"Cache storage should be deleted");
// Reference from test_cache_orphanced_body.
html. It ensures that all
// the runnables have been flushed through the threads.
await caches.has(name);
await resetStorage();
await verifyUsage();
info(
"Stage 3: Verify Cache.");
let cache = await caches.open(name);
info(
"Stage 3.1: Verify cache.addAll.");
await cache.addAll([url, other_url]);
await verifyUsage();
info(
"Stage 3.1.1: Delete all cached requests.");
await cache.delete(url);
await cache.delete(other_url);
await waitForIOToComplete(cache, other_url);
let emptyUsage1 = await verifyUsage();
info(
"Stage 3.2: Verify cache.add.");
cache = await caches.open(name);
await cache.add(url);
await verifyUsage();
info(
"Stage 3.2.1: Delete cache.");
await cache.delete(url);
await waitForIOToComplete(cache, url);
let emptyUsage2 = await verifyUsage();
info(
"Stage 3.3: Verify cache.put.");
cache = await caches.open(name);
let response = await fetch(other_url);
await cache.put(other_url, response);
await verifyUsage();
info(
"Stage 3.3.1: Delete cache.");
await cache.delete(other_url);
await waitForIOToComplete(cache, other_url);
let emptyUsage3 = await verifyUsage();
// Adding same requests twice will make Cache create morgue file twice, and
// then delete the previous one.
info(
"Stage 4: Add same request twice to make removing a morgue file.");
cache = await caches.open(name);
info(
"Stage 4.1: First cache.add.");
await cache.add(url);
await verifyUsage();
info(
"Stage 4.2: Second cache.add.");
await cache.add(url);
// Since we trigger the action to delete orphaned
body, we need to wait for
// the action is done.
await waitForIOToComplete(cache, url);
await verifyUsage();
cache = await caches.open(name);
info(
"Stage 4.2.1: cache.delete.");
await cache.delete(url);
await waitForIOToComplete(cache, url);
let emptyUsage4 = await verifyUsage();
info(
"Stage 5: Clean caches.");
await caches.delete(name);
info(
"Stage 6: Final Check.");
ok(emptyUsage1 == emptyUsage2 &&
emptyUsage1 == emptyUsage3 &&
emptyUsage1 == emptyUsage4,
"Empty usages should be the same");
await SimpleTest.finish();
});
</
script>
</
body>
</
html>
