mozilla-central/toolkit/mozapps/extensions/test/browser/browser_about_debugging_link.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"use strict";
const { PromiseTestUtils } = ChromeUtils.importESModule(
);
// Allow rejections related to closing an about:debugging too soon after it has been
// just opened in a new tab and loaded.
PromiseTestUtils.allowMatchingRejectionsGlobally(/Connection closed/);
function waitForDispatch(store, type) {
return new Promise(resolve => {
store.dispatch({
type: "@@service/waitUntil",
predicate: action => action.type === type,
run: (dispatch, getState, action) => {
resolve(action);
},
});
});
}
/**
* Wait for all client requests to settle, meaning here that no new request has been
* dispatched after the provided delay. (NOTE: same test helper used in about:debugging tests)
*/
async function waitForRequestsToSettle(store, delay = 500) {
let hasSettled = false;
// After each iteration of this while loop, we check is the timerPromise had the time
// to resolve or if we captured a REQUEST_*_SUCCESS action before.
while (!hasSettled) {
let timer;
// This timer will be executed only if no REQUEST_*_SUCCESS action is dispatched
// during the delay. We consider that when no request are received for some time, it
// means there are no ongoing requests anymore.
const timerPromise = new Promise(resolve => {
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
timer = setTimeout(() => {
hasSettled = true;
resolve();
}, delay);
});
// Wait either for a REQUEST_*_SUCCESS to be dispatched, or for the timer to resolve.
await Promise.race([
waitForDispatch(store, "REQUEST_EXTENSIONS_SUCCESS"),
waitForDispatch(store, "REQUEST_TABS_SUCCESS"),
waitForDispatch(store, "REQUEST_WORKERS_SUCCESS"),
timerPromise,
]);
// Clear the timer to avoid setting hasSettled to true accidently unless timerPromise
// was the first to resolve.
clearTimeout(timer);
}
}
function waitForRequestsSuccess(store) {
return Promise.all([
waitForDispatch(store, "REQUEST_EXTENSIONS_SUCCESS"),
waitForDispatch(store, "REQUEST_TABS_SUCCESS"),
waitForDispatch(store, "REQUEST_WORKERS_SUCCESS"),
]);
}
add_task(async function testAboutDebugging() {
let win = await loadInitialView("extension");
let aboutAddonsTab = gBrowser.selectedTab;
let debugAddonsBtn = win.document.querySelector(
'#page-options [action="debug-addons"]'
);
// Verify the about:debugging is loaded.
info(`Check about:debugging loads`);
let loaded = BrowserTestUtils.waitForNewTab(
gBrowser,
"about:debugging#/runtime/this-firefox",
true
);
debugAddonsBtn.click();
await loaded;
let aboutDebuggingTab = gBrowser.selectedTab;
const { AboutDebugging } = aboutDebuggingTab.linkedBrowser.contentWindow;
// Avoid test failures due to closing the about:debugging tab
// while it is still initializing.
info("Wait until about:debugging actions are finished");
await waitForRequestsSuccess(AboutDebugging.store);
info("Switch back to about:addons");
await BrowserTestUtils.switchTab(gBrowser, aboutAddonsTab);
is(gBrowser.selectedTab, aboutAddonsTab, "Back to about:addons");
info("Re-open about:debugging");
let switched = TestUtils.waitForCondition(
() => gBrowser.selectedTab == aboutDebuggingTab
);
debugAddonsBtn.click();
await switched;
await waitForRequestsToSettle(AboutDebugging.store);
info("Force about:debugging to a different hash URL");
aboutDebuggingTab.linkedBrowser.contentWindow.location.hash = "/setup";
info("Switch back to about:addons again");
await BrowserTestUtils.switchTab(gBrowser, aboutAddonsTab);
is(gBrowser.selectedTab, aboutAddonsTab, "Back to about:addons");
info("Re-open about:debugging a second time");
switched = TestUtils.waitForCondition(
() => gBrowser.selectedTab == aboutDebuggingTab
);
debugAddonsBtn.click();
await switched;
info("Wait until any new about:debugging request did settle");
// Avoid test failures due to closing the about:debugging tab
// while it is still initializing.
await waitForRequestsToSettle(AboutDebugging.store);
info("Remove the about:debugging tab");
BrowserTestUtils.removeTab(aboutDebuggingTab);
await closeView(win);
});