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Test Info: Errors
- This test failed 1 times in the preceding 30 days. quicksearch this test
- Manifest: devtools/client/aboutdebugging/test/browser/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
/* import-globals-from helper-addons.js */
Services.scriptloader.loadSubScript(CHROME_URL_ROOT + "helper-addons.js", this);
add_setup(async function () {
await SpecialPowers.pushPrefEnv({
set: [["extensions.eventPages.enabled", true]],
});
});
// Test that an extension event page isn't terminated on idle when a DevTools
// Toolbox is attached to the extension.
add_task(
async function test_eventpage_no_idle_shutdown_with_toolbox_attached() {
const { document, tab, window } = await openAboutDebugging();
await selectThisFirefoxPage(document, window.AboutDebugging.store);
const EXTENSION_ID = "test-devtools-eventpage@mozilla.org";
const EXTENSION_NAME = "Temporary EventPage-based web extension";
const promiseBackgroundLoaded =
promiseBackgroundContextLoaded(EXTENSION_ID);
let waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
// Install the extension using an event page (non persistent background page).
await installTemporaryExtensionFromXPI(
{
id: EXTENSION_ID,
name: EXTENSION_NAME,
// The extension is expected to have a non persistent background script.
extraProperties: {
background: {
scripts: ["bgpage.js"],
persistent: false,
},
},
files: {
"bgpage.js": function () {
// Emit a dump when the script is loaded to make it easier
// to investigate intermittents.
dump(`Background script loaded: ${window.location}\n`);
},
},
},
document
);
const target = findDebugTargetByText(EXTENSION_NAME, document);
ok(
!!target,
"The EventPage-based extension is installed with the expected name"
);
info("Wait for the test extension background script to be loaded");
await promiseBackgroundLoaded;
info("Wait for the test extension background script status update");
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "running",
});
waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
await triggerExtensionEventPageIdleTimeout(EXTENSION_ID);
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "stopped",
});
info(
"Respawn the extension background script on new WebExtension API event"
);
waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
await wakeupExtensionEventPage(EXTENSION_ID);
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "running",
});
info("Open a DevTools toolbox on the target extension");
const { devtoolsWindow } = await openAboutDevtoolsToolbox(
document,
tab,
window,
EXTENSION_NAME
);
info(
"Verify event page terminated on terminate button clicked while the DevTools toolbox is open"
);
const terminateButton = target.querySelector(
".qa-temporary-extension-terminate-bgscript-button"
);
ok(
!!terminateButton,
`${EXTENSION_NAME} is expected to have a terminate button`
);
info(`Click on the terminate button for ${EXTENSION_NAME}`);
const promiseBackgroundUnloaded =
promiseBackgroundContextUnloaded(EXTENSION_ID);
const waitForTerminateSuccess = waitForDispatch(
window.AboutDebugging.store,
"TERMINATE_EXTENSION_BGSCRIPT_SUCCESS"
);
waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
terminateButton.click();
await waitForTerminateSuccess;
info("Wait for the extension background script to be unloaded");
await promiseBackgroundUnloaded;
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "stopped",
targetElement: target,
});
info(
"Verify event page isn't terminated on idle while the DevTools toolbox is open"
);
// Make sure the event page is running again.
waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
await wakeupExtensionEventPage(EXTENSION_ID);
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "running",
targetElement: target,
});
const waitForBGSuspendIgnored =
promiseTerminateBackgroundScriptIgnored(EXTENSION_ID);
waitForBGStatusUpdate = promiseBackgroundStatusUpdate(window);
await triggerExtensionEventPageIdleTimeout(EXTENSION_ID);
await Promise.race([waitForBGStatusUpdate, waitForBGSuspendIgnored]);
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "running",
// After opening the toolbox there will be an additional target listed
// for the devtools toolbox tab, its card includes the extension name
// and so while the toolbox is open we should make sure to look for
// the background status inside the extension target card instead of
// the one associated to the devtools toolbox tab.
targetElement: target,
});
info(
"Wait for warning message expected to be logged for the event page not terminated on idle"
);
const toolbox = getToolbox(devtoolsWindow);
const webconsole = await toolbox.selectTool("webconsole");
const { hud } = webconsole;
const expectedWarning =
"Background event page was not terminated on idle because a DevTools toolbox is attached to the extension.";
let consoleElements;
await waitUntil(() => {
consoleElements = findMessagesByType(hud, expectedWarning, ".warn");
return !!consoleElements.length;
});
const locationElement = consoleElements[0].querySelector(
".frame-link-filename"
);
ok(
locationElement.textContent.endsWith("_generated_background_page.html"),
"The warning message is associated to the event page url"
);
info(
"Verify event page is terminated on idle after closing the DevTools toolbox"
);
await closeWebExtAboutDevtoolsToolbox(devtoolsWindow, window);
await triggerExtensionEventPageIdleTimeout(EXTENSION_ID);
await waitForBGStatusUpdate;
await assertBackgroundStatus(EXTENSION_NAME, {
document,
expectedStatus: "stopped",
});
// Uninstall the test extensions.
info("Unload extension and remove about:debugging tab");
await AddonManager.getAddonByID(EXTENSION_ID).then(addon =>
addon.uninstall()
);
info("Wait until the debug targets with test extensions disappears");
await waitUntil(() => !findDebugTargetByText(EXTENSION_NAME, document));
await removeTab(tab);
}
);