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Refs #29713 -- Improved error message when LANGUAGE_CODE is invalid.

This commit is contained in:
Nick Pope 2019-03-07 22:40:58 +00:00 committed by Mariusz Felisiak
parent 07daa487ae
commit d4783048ef
3 changed files with 17 additions and 14 deletions

View File

@ -4,16 +4,15 @@ from django.utils.translation.trans_real import language_code_re
from . import Error, Tags, register
E001 = Error(
'You have provided an invalid value for the LANGUAGE_CODE setting.',
'You have provided an invalid value for the LANGUAGE_CODE setting: {}.',
id='translation.E001',
)
@register(Tags.translation)
def check_setting_language_code(app_configs, **kwargs):
"""
Errors if language code setting is invalid.
"""
if not language_code_re.match(settings.LANGUAGE_CODE):
return [E001]
"""Error if LANGUAGE_CODE setting is invalid."""
tag = settings.LANGUAGE_CODE
if not isinstance(tag, str) or not language_code_re.match(tag):
return [Error(E001.msg.format(tag), id=E001.id)]
return []

View File

@ -440,7 +440,7 @@ Translation
The following checks are performed on your translation configuration:
* **translation.E001**: You have provided an invalid value for the
:setting:`LANGUAGE_CODE` setting.
:setting:`LANGUAGE_CODE` setting: ``<value>``.
URLs
----

View File

@ -1,5 +1,6 @@
from django.core.checks.translation import E001, check_setting_language_code
from django.test import SimpleTestCase, override_settings
from django.core.checks import Error
from django.core.checks.translation import check_setting_language_code
from django.test import SimpleTestCase
class TranslationCheckTests(SimpleTestCase):
@ -22,6 +23,9 @@ class TranslationCheckTests(SimpleTestCase):
def test_invalid_language_code(self):
tags = (
None, # invalid type: None.
123, # invalid type: int.
b'en', # invalid type: bytes.
'', # non-latin characters.
'en_US', # locale format.
'en--us', # empty subtag.
@ -33,9 +37,9 @@ class TranslationCheckTests(SimpleTestCase):
# FIXME: The following should be invalid:
# 'sr@latin', # locale instead of language tag.
)
msg = 'You have provided an invalid value for the LANGUAGE_CODE setting: %s.'
for tag in tags:
with self.subTest(tag), override_settings(LANGUAGE_CODE=tag):
result = check_setting_language_code(None)
self.assertEqual(result, [E001])
self.assertEqual(result[0].id, 'translation.E001')
self.assertEqual(result[0].msg, 'You have provided an invalid value for the LANGUAGE_CODE setting.')
with self.subTest(tag), self.settings(LANGUAGE_CODE=tag):
self.assertEqual(check_setting_language_code(None), [
Error(msg % tag, id='translation.E001'),
])