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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Manually destroy the engine, and test that the page is still translated afterwards.
 */
add_task(async function test_translations_engine_destroy() {
  const { cleanup, resolveDownloads, runInPage } = await loadTestPage({
    page: SPANISH_PAGE_URL,
    languagePairs: LANGUAGE_PAIRS,
  });

  await FullPageTranslationsTestUtils.assertTranslationsButton(
    { button: true },
    "The button is available."
  );
  await FullPageTranslationsTestUtils.openTranslationsPanel({
    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
  });

  await FullPageTranslationsTestUtils.clickTranslateButton({
    downloadHandler: resolveDownloads,
  });

  await FullPageTranslationsTestUtils.assertPageIsTranslated(
    "es",
    "en",
    runInPage
  );

  info("Destroy the engine process");
  await TranslationsParent.destroyEngineProcess();

  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("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 cleanup();
});