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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
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,
languagePairs: [
// Spanish
{ fromLang: "es", toLang: "en" },
{ fromLang: "en", toLang: "es" },
// Norwegian Bokmål
{ fromLang: "nb", toLang: "en" },
{ fromLang: "en", toLang: "nb" },
],
});
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);
}
Assert.deepEqual(
await getDetectedLanguagesFor("es"),
{
docLangTag: "es",
userLangTag: "en",
isDocLangTagSupported: true,
},
"Spanish is detected as a supported language."
);
Assert.deepEqual(
await getDetectedLanguagesFor("chr"),
{
docLangTag: "chr",
userLangTag: "en",
isDocLangTagSupported: false,
},
"Cherokee is detected, but is not a supported language."
);
Assert.deepEqual(
await getDetectedLanguagesFor("no"),
{
docLangTag: "nb",
userLangTag: "en",
isDocLangTagSupported: true,
},
"The Norwegian macro language is detected, but it defaults to Norwegian Bokmål."
);
Assert.deepEqual(
await getDetectedLanguagesFor("spa"),
{
docLangTag: "es",
userLangTag: "en",
isDocLangTagSupported: true,
},
'The three letter "spa" locale is canonicalized to "es".'
);
Assert.deepEqual(
await getDetectedLanguagesFor("gibberish"),
{
docLangTag: "en",
userLangTag: null,
isDocLangTagSupported: true,
},
"A gibberish locale is discarded, and the language is detected."
);
return cleanup();
});