mozilla-central/dom/tests/browser/browser_scriptCache_clear.js (file symbol)

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Test Info: Warnings

const SCRIPT_NAME = "counter_server.sjs";
const TEST_SCRIPT_URL =
function getCounter(tab) {
const browser = tab.linkedBrowser;
return SpecialPowers.spawn(browser, [SCRIPT_NAME], async scriptName => {
const { promise, resolve } = Promise.withResolvers();
const script = content.document.createElement("script");
script.src = scriptName;
script.addEventListener("load", resolve);
content.document.body.appendChild(script);
await promise;
return parseInt(content.document.body.getAttribute("counter"));
});
}
async function reloadAndGetCounter(tab) {
await BrowserTestUtils.reloadTab(tab);
return getCounter(tab);
}
function clearAllCache() {
return new Promise(function (resolve) {
Services.clearData.deleteData(
Ci.nsIClearDataService.CLEAR_ALL_CACHES,
resolve
);
});
}
function clearJSCache() {
return new Promise(function (resolve) {
Services.clearData.deleteData(
Ci.nsIClearDataService.CLEAR_JS_CACHE,
resolve
);
});
}
function clearNetworkCache() {
return new Promise(function (resolve) {
Services.clearData.deleteData(
Ci.nsIClearDataService.CLEAR_NETWORK_CACHE,
resolve
);
});
}
add_task(async function test_withoutNavigationCache() {
await SpecialPowers.pushPrefEnv({
set: [["dom.script_loader.navigation_cache", false]],
});
registerCleanupFunction(() => SpecialPowers.popPrefEnv());
await clearAllCache();
const resetResponse = await fetch(TEST_SCRIPT_URL + "?reset");
is(await resetResponse.text(), "reset", "Server state should be reset");
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
url: TEST_URL,
});
is(await getCounter(tab), 0, "counter should be 0 for the first load.");
is(
await reloadAndGetCounter(tab),
0,
"cache should be used for subsequent load."
);
await clearAllCache();
is(
await reloadAndGetCounter(tab),
1,
"request should reach the server after removing all cache."
);
is(
await reloadAndGetCounter(tab),
1,
"cache should be used for subsequent load."
);
await clearJSCache();
is(await reloadAndGetCounter(tab), 1, "network cache should be used.");
await clearNetworkCache();
is(
await reloadAndGetCounter(tab),
2,
"request should reach the server after network cache is cleared."
);
await clearJSCache();
is(await reloadAndGetCounter(tab), 2, "network cache should be used.");
BrowserTestUtils.removeTab(tab);
});
add_task(async function test_withNavigationCache() {
await SpecialPowers.pushPrefEnv({
set: [["dom.script_loader.navigation_cache", true]],
});
registerCleanupFunction(() => SpecialPowers.popPrefEnv());
await clearAllCache();
const resetResponse = await fetch(TEST_SCRIPT_URL + "?reset");
is(await resetResponse.text(), "reset", "Server state should be reset");
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
url: TEST_URL,
});
is(await getCounter(tab), 0, "counter should be 0 for the first load.");
is(
await reloadAndGetCounter(tab),
0,
"cache should be used for subsequent load."
);
await clearAllCache();
is(
await reloadAndGetCounter(tab),
1,
"request should reach the server after removing all cache."
);
is(
await reloadAndGetCounter(tab),
1,
"cache should be used for subsequent load."
);
await clearJSCache();
is(await reloadAndGetCounter(tab), 1, "network cache should be used.");
// The above reload loads from the network cache, and the JS cache is
// re-created.
await clearNetworkCache();
is(await reloadAndGetCounter(tab), 1, "JS cache should be used.");
// The above reload loads from the JS cache.
// Currently, network cache is not re-created from the JS cache.
await clearJSCache();
is(
await reloadAndGetCounter(tab),
2,
"request should reach the server after both cache is cleared."
);
BrowserTestUtils.removeTab(tab);
});