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Test Info:
- Manifest: intl/locale/tests/unit/xpcshell.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
// Locale tags with a private variant subtag: no build packages these, so the
// coverage lookup can only ever see the mock sources registered below (a
// multi-locale build ships a real coverage.json for plain "ja"/"de").
const LOC_NO_COVERAGE = "ja-nocov";
const LOC_COVERAGE = "de-cover";
// foo.ftl in LOC_COVERAGE: 10 messages, one ("msg-a") untranslated (ratio 0.9).
const COVERAGE_JSON = JSON.stringify({
"browser/foo.ftl": { total: 10, missing: ["msg-a"] },
});
const resProto = Services.io
.getProtocolHandler("resource")
.QueryInterface(Ci.nsIResProtocolHandler);
const l10nReg = L10nRegistry.getInstance();
/**
* The coverage lookup walks the negotiated app-locale chain: a locale that
* ships no coverage.json (LOC_NO_COVERAGE) is skipped, and coverage comes from
* the next chain entry that does provide it (LOC_COVERAGE).
*/
add_task(async function test_coverage_walks_past_locale_without_coverage() {
const root = do_get_tempdir();
root.append("l10n-coverage-chain");
const covDir = root.clone();
covDir.append(LOC_COVERAGE);
await IOUtils.makeDirectory(covDir.path, { createAncestors: true });
await IOUtils.writeUTF8(
PathUtils.join(covDir.path, "coverage.json"),
COVERAGE_JSON
);
resProto.setSubstitution("covtest", Services.io.newFileURI(root));
l10nReg.registerSources([
L10nFileSource.createMock(
"covtest-nocov",
"app",
[LOC_NO_COVERAGE],
[]
),
L10nFileSource.createMock(
"covtest-cov",
"app",
[LOC_COVERAGE],
[]
),
]);
const origAvailable = Services.locale.availableLocales;
const origRequested = Services.locale.requestedLocales;
registerCleanupFunction(() => {
Services.locale.availableLocales = origAvailable;
Services.locale.requestedLocales = origRequested;
l10nReg.removeSources(["covtest-nocov", "covtest-cov"]);
resProto.setSubstitution("covtest", null);
});
Services.locale.availableLocales = [LOC_NO_COVERAGE, LOC_COVERAGE, "en-US"];
Services.locale.requestedLocales = [LOC_NO_COVERAGE, LOC_COVERAGE];
Assert.deepEqual(
Services.locale.appLocalesAsBCP47,
[LOC_NO_COVERAGE, LOC_COVERAGE, "en-US"],
"App locale chain is the coverage-less locale, the covered locale, then " +
"the en-US last fallback"
);
Assert.strictEqual(
Services.locale.areMessagesLocalized("browser/foo.ftl", ["msg-a"], ""),
false,
"A message missing from the covered locale is not localized " +
"(chain walked past the coverage-less locale)"
);
Assert.strictEqual(
Services.locale.areMessagesLocalized("browser/foo.ftl", ["msg-b"], ""),
true,
"A message present in the covered locale is localized"
);
// 9/10 translated in the covered locale.
Assert.strictEqual(
Services.locale.isLocalizedEnough("browser/foo.ftl", "", 0.85),
true,
"Coverage (0.9) clears a 0.85 threshold"
);
Assert.strictEqual(
Services.locale.isLocalizedEnough("browser/foo.ftl", "", 0.95),
false,
"Coverage (0.9) fails a 0.95 threshold"
);
});