Source code

Revision control

Copy as Markdown

Other Tools

requestLongerTimeout(2);
const SCRIPT_NAME = "counter_server.sjs";
const TEST_SCRIPT_URL =
function getCounter(tab, type) {
const browser = tab.linkedBrowser;
return SpecialPowers.spawn(
browser,
[SCRIPT_NAME, type],
async (scriptName, type) => {
const { promise, resolve } = Promise.withResolvers();
const script = content.document.createElement("script");
switch (type) {
case "script":
script.addEventListener("load", resolve);
script.src = scriptName;
break;
case "module-top-level":
script.addEventListener("load", resolve);
script.type = "module";
script.src = scriptName;
break;
case "module-static":
content.document.addEventListener("module-loaded", resolve);
script.type = "module";
script.textContent = `
import "./${scriptName}";
document.dispatchEvent(new CustomEvent("module-loaded"));
`;
break;
case "module-dynamic":
content.document.addEventListener("module-loaded", resolve);
script.type = "module";
script.textContent = `
await import("./${scriptName}");
document.dispatchEvent(new CustomEvent("module-loaded"));
`;
break;
}
content.document.body.appendChild(script);
await promise;
return parseInt(content.document.body.getAttribute("counter"));
}
);
}
async function reloadAndGetCounter(tab, type) {
await BrowserTestUtils.reloadTab(tab);
return getCounter(tab, type);
}
async function doTest(useNavigationCache, type) {
await SpecialPowers.pushPrefEnv({
set: [["dom.script_loader.navigation_cache", useNavigationCache]],
});
registerCleanupFunction(() => SpecialPowers.popPrefEnv());
ChromeUtils.clearResourceCache();
Services.cache2.clear();
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, type), 0, "counter should be 0 for the first load.");
is(
await reloadAndGetCounter(tab, type),
0,
"cache should be used for subsequent load."
);
ChromeUtils.clearResourceCache();
Services.cache2.clear();
is(
await reloadAndGetCounter(tab, type),
1,
"request should reach the server after removing all cache."
);
is(
await reloadAndGetCounter(tab, type),
1,
"cache should be used for subsequent load."
);
ChromeUtils.clearResourceCache();
is(await reloadAndGetCounter(tab, type), 1, "network cache should be used.");
Services.cache2.clear();
if (!useNavigationCache) {
is(
await reloadAndGetCounter(tab, type),
2,
"request should reach the server after network cache is cleared."
);
} else {
// The above reload loads from the network cache, and the JS cache is
// re-created.
is(await reloadAndGetCounter(tab, type), 1, "JS cache should be used.");
}
ChromeUtils.clearResourceCache();
if (!useNavigationCache) {
is(
await reloadAndGetCounter(tab, type),
2,
"network cache should be used."
);
} else {
// The above reload loads from the JS cache.
// Currently, network cache is not re-created from the JS cache.
is(
await reloadAndGetCounter(tab, type),
2,
"request should reach the server after both cache is cleared."
);
}
BrowserTestUtils.removeTab(tab);
}
add_task(async function test_scriptWithoutNavigationCache() {
await doTest(false, "script");
});
add_task(async function test_scriptWithNavigationCache() {
await doTest(true, "script");
});
add_task(async function test_moduleTopLevelWithoutNavigationCache() {
await doTest(false, "module-top-level");
});
add_task(async function test_moduleTopLevelWithNavigationCache() {
await doTest(true, "module-top-level");
});
add_task(async function test_moduleStaticWithoutNavigationCache() {
await doTest(false, "module-static");
});
add_task(async function test_moduleStaticWithNavigationCache() {
await doTest(true, "module-static");
});
add_task(async function test_moduleDynamicWithoutNavigationCache() {
await doTest(false, "module-dynamic");
});
add_task(async function test_moduleDynamicWithNavigationCache() {
await doTest(true, "module-dynamic");
});