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71 lines
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Python

import json
import unittest
from pathlib import Path
LOCALES_DIR = Path(__file__).parents[1] / "ui" / "i18n"
# Values that are intentionally identical across locales
# (brand names, technical terms, format-only strings).
# Note: settings.language is deliberately "Language" in ru.json —
# upstream keeps the language selector label in English on purpose.
ALLOWED_UNTRANSLATED = frozenset({
"app.name",
"button.test_loading",
"connectivity.cfworker_title",
"connectivity.error_line",
"first_run.manual_mtproto",
"language.en",
"language.ru",
"section.cfproxy",
"section.cfworker",
"settings.language",
})
def _load(code: str) -> dict:
with open(LOCALES_DIR / f"{code}.json", encoding="utf-8") as f:
return json.load(f)
class I18nParityTest(unittest.TestCase):
def test_en_ru_key_sets_match(self):
en = _load("en")
ru = _load("ru")
self.assertEqual(
set(en), set(ru),
f"Missing in ru: {sorted(set(en) - set(ru))}; "
f"missing in en: {sorted(set(ru) - set(en))}",
)
def test_ru_has_no_untouched_english_leftovers(self):
en = _load("en")
ru = _load("ru")
leftovers = sorted(
key for key in set(en) & set(ru)
if en[key] == ru[key] and key not in ALLOWED_UNTRANSLATED
)
self.assertEqual(leftovers, [])
def test_format_placeholders_match(self):
import string
en = _load("en")
ru = _load("ru")
for key in set(en) & set(ru):
en_fields = {
name for _, name, _, _ in string.Formatter().parse(en[key])
if name
}
ru_fields = {
name for _, name, _, _ in string.Formatter().parse(ru[key])
if name
}
self.assertEqual(
en_fields, ru_fields,
f"Placeholder mismatch for key {key!r}",
)
if __name__ == "__main__":
unittest.main()