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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Test some corner cases from Bug 1849815 where empty web languages were causing
* issues.
*/
add_task(async function test_detected_language() {
const { cleanup, tab } = await loadTestPage({
// This page will get its language changed by the test.
page: ENGLISH_PAGE_URL,
autoDownloadFromRemoteSettings: true,
// Empty out the accept languages.
languagePairs: [
// Spanish
{ fromLang: "es", toLang: "en" },
{ fromLang: "en", toLang: "es" },
// French
{ fromLang: "fr", toLang: "en" },
{ fromLang: "en", toLang: "fr" },
],
});
async function getDetectedLanguagesFor(docLangTag) {
await ContentTask.spawn(
tab.linkedBrowser,
{ docLangTag },
function changeLanguage({ docLangTag }) {
content.document.body.parentNode.setAttribute("lang", docLangTag);
}
);
// Clear out the cached values.
getTranslationsParent().languageState.detectedLanguages = null;
return getTranslationsParent().getDetectedLanguages(docLangTag);
}
{
const cleanupLocales = await mockLocales({
systemLocales: ["en"],
appLocales: ["en"],
webLanguages: [""],
});
Assert.deepEqual(
await getDetectedLanguagesFor("en"),
{
docLangTag: "en",
userLangTag: null,
isDocLangTagSupported: true,
},
"If the web languages are empty, do not offer a language matching the app locale."
);
await cleanupLocales();
}
{
const cleanupLocales = await mockLocales({
systemLocales: ["en", "es"],
appLocales: ["en"],
webLanguages: [""],
});
Assert.deepEqual(
await getDetectedLanguagesFor("en"),
{
docLangTag: "en",
userLangTag: null,
isDocLangTagSupported: true,
},
"When there are multiple system locales, the app locale is used."
);
Assert.deepEqual(
await getDetectedLanguagesFor("es"),
{
docLangTag: "es",
userLangTag: "en",
isDocLangTagSupported: true,
},
"When there are multiple system locales, the app locale is used."
);
await cleanupLocales();
}
return cleanup();
});
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