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django/tests/urlpatterns_reverse/test_localeregexdescriptor.py
Sjoerd Job Postmus df41b5a05d Fixed #28593 -- Added a simplified URL routing syntax per DEP 0201.
Thanks Aymeric Augustin for shepherding the DEP and patch review.
Thanks Marten Kenbeek and Tim Graham for contributing to the code.
Thanks Tom Christie, Shai Berger, and Tim Graham for the docs.
2017-09-20 18:04:42 -04:00

55 lines
2.3 KiB
Python

import os
from unittest import mock
from django.core.exceptions import ImproperlyConfigured
from django.test import SimpleTestCase, override_settings
from django.urls.resolvers import LocaleRegexDescriptor, RegexPattern
from django.utils import translation
here = os.path.dirname(os.path.abspath(__file__))
@override_settings(LOCALE_PATHS=[os.path.join(here, 'translations', 'locale')])
class LocaleRegexDescriptorTests(SimpleTestCase):
def setUp(self):
translation.trans_real._translations = {}
def tearDown(self):
translation.trans_real._translations = {}
def test_translated_regex_compiled_per_language(self):
provider = RegexPattern(translation.gettext_lazy('^foo/$'))
with translation.override('de'):
de_compiled = provider.regex
# compiled only once per language
error = AssertionError('tried to compile url regex twice for the same language')
with mock.patch('django.urls.resolvers.re.compile', side_effect=error):
de_compiled_2 = provider.regex
with translation.override('fr'):
fr_compiled = provider.regex
self.assertEqual(fr_compiled.pattern, '^foo-fr/$')
self.assertEqual(de_compiled.pattern, '^foo-de/$')
self.assertEqual(de_compiled, de_compiled_2)
def test_nontranslated_regex_compiled_once(self):
provider = RegexPattern('^foo/$')
with translation.override('de'):
de_compiled = provider.regex
with translation.override('fr'):
# compiled only once, regardless of language
error = AssertionError('tried to compile non-translated url regex twice')
with mock.patch('django.urls.resolvers.re.compile', side_effect=error):
fr_compiled = provider.regex
self.assertEqual(de_compiled.pattern, '^foo/$')
self.assertEqual(fr_compiled.pattern, '^foo/$')
def test_regex_compile_error(self):
"""Regex errors are re-raised as ImproperlyConfigured."""
provider = RegexPattern('*')
msg = '"*" is not a valid regular expression: nothing to repeat'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
provider.regex
def test_access_locale_regex_descriptor(self):
self.assertIsInstance(RegexPattern.regex, LocaleRegexDescriptor)