Coverage for app/backend/src/tests/test_i18n_locales.py: 100%

1import pytest 

2 

3from couchers.i18n.locales import ( 

4 DEFAULT_LOCALE, 

5 get_babel_locale, 

6 get_main_i18next, 

7 get_supported_locales, 

8 to_supported_locale, 

9) 

10 

11 

12@pytest.fixture(autouse=True) 

13def _(testconfig): 

14 pass 

15 

16 

17def test_translations_loaded(): 

18 """Test that translations are loaded from JSON files""" 

19 i18next = get_main_i18next() 

20 

21 # Should have at least English errors loaded 

22 en_translation = i18next.translations_by_locale.get("en") 

23 assert en_translation is not None 

24 assert en_translation.strings_by_key.get("errors.account_not_found") is not None 

25 

26 # Other languages should also exist 

27 assert len(i18next.translations_by_locale) > 1 

28 

29 

30def test_to_supported_locale(): 

31 # No-ops 

32 assert to_supported_locale("en") == "en" 

33 assert to_supported_locale("fr") == "fr" 

34 assert to_supported_locale("fr-CA") == "fr-CA" 

35 assert to_supported_locale("zh-Hans") == "zh-Hans" 

36 

37 # Bogus locales 

38 assert to_supported_locale("") == DEFAULT_LOCALE 

39 assert to_supported_locale("xx") == DEFAULT_LOCALE 

40 assert to_supported_locale("------------------") == DEFAULT_LOCALE 

41 

42 # Normalization 

43 assert to_supported_locale("FR-ca") == "fr-CA" 

44 assert to_supported_locale("en-UK") == "en" 

45 assert to_supported_locale("en-Shorthand") == "en" 

46 assert to_supported_locale("fr-CA-Shorthand") == "fr-CA" 

47 

48 

49def test_all_supported_locales_have_babel_locales(): 

50 for locale in get_supported_locales(): 

51 assert get_babel_locale(locale), f"Locale {locale} does not have a valid Babel locale" 

52 

53 

54def test_fallback_chain(): 

55 """Test that fallbacks are correctly set up""" 

56 i18next = get_main_i18next() 

57 

58 # Example: fr-CA should fallback to fr, which should fallback to en 

59 fr_CA = i18next.translations_by_locale["fr-CA"] 

60 fr = i18next.translations_by_locale["fr"] 

61 en = i18next.translations_by_locale["en"] 

62 

63 assert fr_CA.fallbacks == [fr, en] 

64 assert fr.fallbacks == [en] 

65 assert en.fallbacks == [] 

66 

67 assert i18next.default_translation == en