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from django.core.checks import Error
from django.core.checks.translation import (
check_language_settings_consistent, check_setting_language_code,
check_setting_languages, check_setting_languages_bidi,
)
from django.test import SimpleTestCase, override_settings
class TranslationCheckTests(SimpleTestCase):
def setUp(self):
self.valid_tags = (
'en', # language
'mas', # language
'sgn-ase', # language+extlang
'fr-CA', # language+region
'es-419', # language+region
'zh-Hans', # language+script
'ca-ES-valencia', # language+region+variant
# FIXME: The following should be invalid:
'sr@latin', # language+script
)
self.invalid_tags = (
None, # invalid type: None.
123, # invalid type: int.
b'en', # invalid type: bytes.
'eü', # non-latin characters.
'en_US', # locale format.
'en--us', # empty subtag.
'-en', # leading separator.
'en-', # trailing separator.
'en-US.UTF-8', # language tag w/ locale encoding.
'en_US.UTF-8', # locale format - language w/ region and encoding.
'ca_ES@valencia', # locale format - language w/ region and variant.
# FIXME: The following should be invalid:
# 'sr@latin', # locale instead of language tag.
)
def test_valid_language_code(self):
for tag in self.valid_tags:
with self.subTest(tag), self.settings(LANGUAGE_CODE=tag):
self.assertEqual(check_setting_language_code(None), [])
def test_invalid_language_code(self):
msg = 'You have provided an invalid value for the LANGUAGE_CODE setting: %r.'
for tag in self.invalid_tags:
with self.subTest(tag), self.settings(LANGUAGE_CODE=tag):
self.assertEqual(check_setting_language_code(None), [
Error(msg % tag, id='translation.E001'),
])
def test_valid_languages(self):
for tag in self.valid_tags:
with self.subTest(tag), self.settings(LANGUAGES=[(tag, tag)]):
self.assertEqual(check_setting_languages(None), [])
def test_invalid_languages(self):
msg = 'You have provided an invalid language code in the LANGUAGES setting: %r.'
for tag in self.invalid_tags:
with self.subTest(tag), self.settings(LANGUAGES=[(tag, tag)]):
self.assertEqual(check_setting_languages(None), [
Error(msg % tag, id='translation.E002'),
])
def test_valid_languages_bidi(self):
for tag in self.valid_tags:
with self.subTest(tag), self.settings(LANGUAGES_BIDI=[tag]):
self.assertEqual(check_setting_languages_bidi(None), [])
def test_invalid_languages_bidi(self):
msg = 'You have provided an invalid language code in the LANGUAGES_BIDI setting: %r.'
for tag in self.invalid_tags:
with self.subTest(tag), self.settings(LANGUAGES_BIDI=[tag]):
self.assertEqual(check_setting_languages_bidi(None), [
Error(msg % tag, id='translation.E003'),
])
@override_settings(USE_I18N=True, LANGUAGES=[('en', 'English')])
def test_inconsistent_language_settings(self):
msg = (
'You have provided a value for the LANGUAGE_CODE setting that is '
'not in the LANGUAGES setting.'
)
for tag in ['fr', 'fr-CA', 'fr-357']:
with self.subTest(tag), self.settings(LANGUAGE_CODE=tag):
self.assertEqual(check_language_settings_consistent(None), [
Error(msg, id='translation.E004'),
])
@override_settings(
USE_I18N=True,
LANGUAGES=[
('de', 'German'),
('es', 'Spanish'),
('fr', 'French'),
('ca', 'Catalan'),
],
)
def test_valid_variant_consistent_language_settings(self):
tests = [
# language + region.
'fr-CA',
'es-419',
'de-at',
# language + region + variant.
'ca-ES-valencia',
]
for tag in tests:
with self.subTest(tag), self.settings(LANGUAGE_CODE=tag):
self.assertEqual(check_language_settings_consistent(None), [])
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