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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
/**
* Manually destroy the engine while a page is in the background, and test that the page
* is still translated after switching back to it.
*/
add_task(async function test_translations_engine_destroy_pending() {
const {
cleanup,
resolveDownloads,
runInPage,
tab: spanishTab,
} = await loadTestPage({
page: SPANISH_PAGE_URL,
languagePairs: LANGUAGE_PAIRS,
});
await FullPageTranslationsTestUtils.assertTranslationsButton(
{ button: true },
"The button is available."
);
await FullPageTranslationsTestUtils.openPanel({
onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
});
await FullPageTranslationsTestUtils.clickTranslateButton({
downloadHandler: resolveDownloads,
});
await FullPageTranslationsTestUtils.assertPageIsTranslated(
"es",
"en",
runInPage
);
const { removeTab: removeEnglishTab } = await addTab(
ENGLISH_PAGE_URL,
"Creating a new tab for a page in English."
);
info("Destroy the engine process");
await EngineProcess.destroyTranslationsEngine();
info("Mutate the page's content to re-trigger a translation.");
await runInPage(async TranslationsTest => {
const { getH1 } = TranslationsTest.getSelectors();
getH1().innerText = "New text for the H1";
});
info("Wait for a second to ensure the mutation takes.");
await TestUtils.waitForTick();
await switchTab(spanishTab, "spanish tab");
info("The engine downloads should be requested again.");
resolveDownloads(1);
await runInPage(async TranslationsTest => {
const { getH1 } = TranslationsTest.getSelectors();
await TranslationsTest.assertTranslationResult(
"The mutated content should be translated.",
getH1,
"NEW TEXT FOR THE H1 [es to en]"
);
});
await removeEnglishTab();
await cleanup();
});