Greg Tatum
db919f9e45
I set this up as a module so that it's easy to import within tests and clear how to use it across both toolkit and browser code. Differential Revision: https://phabricator.services.mozilla.com/D289539
74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
/* import-globals-from ../browser/head.js */
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Services.scriptloader.loadSubScript(
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"chrome://mochitests/content/browser/browser/components/translations/tests/browser/head.js",
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this
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);
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const { MLTestUtils } = ChromeUtils.importESModule(
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"resource://testing-common/MLTestUtils.sys.mjs"
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);
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async function setupEvaluation({ url }) {
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{
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const { RemoteSettingsClient } = ChromeUtils.importESModule(
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"resource://services-settings/RemoteSettingsClient.sys.mjs"
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);
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RemoteSettingsClient.prototype.validateCollectionSignature = async () => {};
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}
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const tab = await BrowserTestUtils.openNewForegroundTab(
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gBrowser,
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url,
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true // waitForLoad
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);
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return {
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tab,
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async cleanup() {
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info("Cleaning up");
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BrowserTestUtils.removeTab(tab);
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clearDirtyPrefs();
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},
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};
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}
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function clearDirtyPrefs() {
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Services.prefs.clearUserPref(
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"browser.translations.mostRecentTargetLanguages"
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);
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Services.prefs.clearUserPref("intl.locale.requested");
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}
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/**
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* Wait for every element in the selector to have been mutated once.
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*
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* @param {MozBrowser} browser
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* @param {string} selector
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* @returns {Promise<void>}
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*/
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function waitForMutations(browser, selector) {
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return SpecialPowers.spawn(browser, [selector], async selector => {
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const elements = new Set(content.document.querySelectorAll(selector));
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await new Promise(resolve => {
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for (const element of elements) {
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const observer = new content.MutationObserver(() => {
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elements.delete(element);
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observer.disconnect();
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if (elements.size === 0) {
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resolve();
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}
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});
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observer.observe(content.document.querySelector("article"), {
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subtree: true,
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characterData: true,
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childList: true,
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});
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}
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});
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});
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}
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