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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// SettingPane.init() throw `Setting group "<id>" not found` and abort the
// whole pane.
add_task(async function setting_pane_tolerates_unregistered_group() {
await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
registerCleanupFunction(() => {
BrowserTestUtils.removeTab(gBrowser.selectedTab);
});
const doc = gBrowser.selectedBrowser.contentDocument;
const win = doc.documentGlobal;
const REGISTERED_GROUP = "bug2051119Registered";
const MISSING_GROUP = "bug2051119Missing";
const PANE_ID = "bug2051119MissingGroupPane";
win.Preferences.addSetting({ id: "bug2051119Setting", get: () => true });
win.SettingGroupManager.registerGroup(REGISTERED_GROUP, {
headingLevel: 2,
items: [
{ id: "bug2051119Setting", controlAttrs: { label: "Test setting" } },
],
});
// Leave MISSING_GROUP unregistered on purpose. A pane can be created before
// its groups are registered. The newtab feed can register some of the Home
// pane's groups after the pane is created.
// Reuse an already-loaded l10nId. A fake one leaves a dangling Fluent
// rejection that fails --verify.
// Order the missing group first so init() must get past it to configure the
// registered sibling.
win.SettingPaneManager.registerPane(PANE_ID, {
l10nId: "home-custom-homepage-subpage",
groupIds: [MISSING_GROUP, REGISTERED_GROUP],
});
const pane = [...doc.querySelectorAll("setting-pane")].find(
p => p.config?.id === PANE_ID
);
ok(pane, "The test setting-pane was created");
let initError = null;
try {
pane.init();
} catch (e) {
initError = e;
}
ok(
!initError,
"SettingPane.init() must not abort when one of its groups is unregistered " +
`(got: ${initError && initError.message})`
);
// Confirm init() continued past the missing group and still configured the
// registered sibling.
const registeredEl = pane.querySelector(
`setting-group[groupid="${REGISTERED_GROUP}"]`
);
ok(registeredEl, "The registered sibling group element exists");
if (registeredEl?.updateComplete) {
await registeredEl.updateComplete;
}
ok(registeredEl?.config, "The registered sibling group has its config");
});