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import os
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.http import HttpResponsePermanentRedirect
from django.middleware.locale import LocaleMiddleware
from django.template import Context, Template
from django.test import SimpleTestCase, override_settings
from django.test.client import RequestFactory
from django.test.utils import override_script_prefix
from django.urls import clear_url_caches, reverse, translate_url
from django.utils import translation
class PermanentRedirectLocaleMiddleWare(LocaleMiddleware):
response_redirect_class = HttpResponsePermanentRedirect
@override_settings(
USE_I18N=True,
LOCALE_PATHS=[
os.path.join(os.path.dirname(__file__), 'locale'),
],
LANGUAGE_CODE='en-us',
LANGUAGES=[
('nl', 'Dutch'),
('en', 'English'),
('pt-br', 'Brazilian Portuguese'),
],
MIDDLEWARE=[
'django.middleware.locale.LocaleMiddleware',
'django.middleware.common.CommonMiddleware',
],
ROOT_URLCONF='i18n.patterns.urls.default',
TEMPLATES=[{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(os.path.dirname(__file__), 'templates')],
'OPTIONS': {
'context_processors': [
'django.template.context_processors.i18n',
],
},
}],
)
class URLTestCaseBase(SimpleTestCase):
"""
TestCase base-class for the URL tests.
"""
def setUp(self):
# Make sure the cache is empty before we are doing our tests.
clear_url_caches()
def tearDown(self):
# Make sure we will leave an empty cache for other testcases.
clear_url_caches()
class URLPrefixTests(URLTestCaseBase):
"""
Tests if the `i18n_patterns` is adding the prefix correctly.
"""
def test_not_prefixed(self):
with translation.override('en'):
self.assertEqual(reverse('not-prefixed'), '/not-prefixed/')
self.assertEqual(reverse('not-prefixed-included-url'), '/not-prefixed-include/foo/')
with translation.override('nl'):
self.assertEqual(reverse('not-prefixed'), '/not-prefixed/')
self.assertEqual(reverse('not-prefixed-included-url'), '/not-prefixed-include/foo/')
def test_prefixed(self):
with translation.override('en'):
self.assertEqual(reverse('prefixed'), '/en/prefixed/')
with translation.override('nl'):
self.assertEqual(reverse('prefixed'), '/nl/prefixed/')
with translation.override(None):
self.assertEqual(reverse('prefixed'), '/%s/prefixed/' % settings.LANGUAGE_CODE)
@override_settings(ROOT_URLCONF='i18n.patterns.urls.wrong')
def test_invalid_prefix_use(self):
msg = 'Using i18n_patterns in an included URLconf is not allowed.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
reverse('account:register')
@override_settings(ROOT_URLCONF='i18n.patterns.urls.disabled')
class URLDisabledTests(URLTestCaseBase):
@override_settings(USE_I18N=False)
def test_prefixed_i18n_disabled(self):
with translation.override('en'):
self.assertEqual(reverse('prefixed'), '/prefixed/')
with translation.override('nl'):
self.assertEqual(reverse('prefixed'), '/prefixed/')
class RequestURLConfTests(SimpleTestCase):
@override_settings(ROOT_URLCONF='i18n.patterns.urls.path_unused')
def test_request_urlconf_considered(self):
request = RequestFactory().get('/nl/')
request.urlconf = 'i18n.patterns.urls.default'
middleware = LocaleMiddleware()
with translation.override('nl'):
middleware.process_request(request)
self.assertEqual(request.LANGUAGE_CODE, 'nl')
@override_settings(ROOT_URLCONF='i18n.patterns.urls.path_unused')
class PathUnusedTests(URLTestCaseBase):
"""
If no i18n_patterns is used in root URLconfs, then no language activation
activation happens based on url prefix.
"""
def test_no_lang_activate(self):
response = self.client.get('/nl/foo/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'en')
self.assertEqual(response.context['LANGUAGE_CODE'], 'en')
class URLTranslationTests(URLTestCaseBase):
"""
Tests if the pattern-strings are translated correctly (within the
`i18n_patterns` and the normal `patterns` function).
"""
def test_no_prefix_translated(self):
with translation.override('en'):
self.assertEqual(reverse('no-prefix-translated'), '/translated/')
self.assertEqual(reverse('no-prefix-translated-slug', kwargs={'slug': 'yeah'}), '/translated/yeah/')
with translation.override('nl'):
self.assertEqual(reverse('no-prefix-translated'), '/vertaald/')
self.assertEqual(reverse('no-prefix-translated-slug', kwargs={'slug': 'yeah'}), '/vertaald/yeah/')
with translation.override('pt-br'):
self.assertEqual(reverse('no-prefix-translated'), '/traduzidos/')
self.assertEqual(reverse('no-prefix-translated-slug', kwargs={'slug': 'yeah'}), '/traduzidos/yeah/')
def test_users_url(self):
with translation.override('en'):
self.assertEqual(reverse('users'), '/en/users/')
with translation.override('nl'):
self.assertEqual(reverse('users'), '/nl/gebruikers/')
self.assertEqual(reverse('prefixed_xml'), '/nl/prefixed.xml')
with translation.override('pt-br'):
self.assertEqual(reverse('users'), '/pt-br/usuarios/')
def test_translate_url_utility(self):
with translation.override('en'):
self.assertEqual(translate_url('/en/nonexistent/', 'nl'), '/en/nonexistent/')
self.assertEqual(translate_url('/en/users/', 'nl'), '/nl/gebruikers/')
# Namespaced URL
self.assertEqual(translate_url('/en/account/register/', 'nl'), '/nl/profiel/registreren/')
# path() URL pattern
self.assertEqual(translate_url('/en/account/register-as-path/', 'nl'), '/nl/profiel/registreren-als-pad/')
self.assertEqual(translation.get_language(), 'en')
with translation.override('nl'):
self.assertEqual(translate_url('/nl/gebruikers/', 'en'), '/en/users/')
self.assertEqual(translation.get_language(), 'nl')
class URLNamespaceTests(URLTestCaseBase):
"""
Tests if the translations are still working within namespaces.
"""
def test_account_register(self):
with translation.override('en'):
self.assertEqual(reverse('account:register'), '/en/account/register/')
self.assertEqual(reverse('account:register-as-path'), '/en/account/register-as-path/')
with translation.override('nl'):
self.assertEqual(reverse('account:register'), '/nl/profiel/registreren/')
self.assertEqual(reverse('account:register-as-path'), '/nl/profiel/registreren-als-pad/')
class URLRedirectTests(URLTestCaseBase):
"""
Tests if the user gets redirected to the right URL when there is no
language-prefix in the request URL.
"""
def test_no_prefix_response(self):
response = self.client.get('/not-prefixed/')
self.assertEqual(response.status_code, 200)
def test_en_redirect(self):
response = self.client.get('/account/register/', HTTP_ACCEPT_LANGUAGE='en')
self.assertRedirects(response, '/en/account/register/')
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
def test_en_redirect_wrong_url(self):
response = self.client.get('/profiel/registreren/', HTTP_ACCEPT_LANGUAGE='en')
self.assertEqual(response.status_code, 404)
def test_nl_redirect(self):
response = self.client.get('/profiel/registreren/', HTTP_ACCEPT_LANGUAGE='nl')
self.assertRedirects(response, '/nl/profiel/registreren/')
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
def test_nl_redirect_wrong_url(self):
response = self.client.get('/account/register/', HTTP_ACCEPT_LANGUAGE='nl')
self.assertEqual(response.status_code, 404)
def test_pt_br_redirect(self):
response = self.client.get('/conta/registre-se/', HTTP_ACCEPT_LANGUAGE='pt-br')
self.assertRedirects(response, '/pt-br/conta/registre-se/')
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
def test_pl_pl_redirect(self):
# language from outside of the supported LANGUAGES list
response = self.client.get('/account/register/', HTTP_ACCEPT_LANGUAGE='pl-pl')
self.assertRedirects(response, '/en/account/register/')
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
@override_settings(
MIDDLEWARE=[
'i18n.patterns.tests.PermanentRedirectLocaleMiddleWare',
'django.middleware.common.CommonMiddleware',
],
)
def test_custom_redirect_class(self):
response = self.client.get('/account/register/', HTTP_ACCEPT_LANGUAGE='en')
self.assertRedirects(response, '/en/account/register/', 301)
def test_locale_not_interepreted_as_regex(self):
with translation.override("e("):
# Would previously error:
# re.error: missing ), unterminated subpattern at position 1
reverse("users")
class URLVaryAcceptLanguageTests(URLTestCaseBase):
"""
'Accept-Language' is not added to the Vary header when using prefixed URLs.
"""
def test_no_prefix_response(self):
response = self.client.get('/not-prefixed/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.get('Vary'), 'Accept-Language')
def test_en_redirect(self):
response = self.client.get('/account/register/', HTTP_ACCEPT_LANGUAGE='en')
self.assertRedirects(response, '/en/account/register/')
self.assertFalse(response.get('Vary'))
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
self.assertFalse(response.get('Vary'))
class URLRedirectWithoutTrailingSlashTests(URLTestCaseBase):
"""
Tests the redirect when the requested URL doesn't end with a slash
(`settings.APPEND_SLASH=True`).
"""
def test_not_prefixed_redirect(self):
response = self.client.get('/not-prefixed', HTTP_ACCEPT_LANGUAGE='en')
self.assertRedirects(response, '/not-prefixed/', 301)
def test_en_redirect(self):
response = self.client.get('/account/register', HTTP_ACCEPT_LANGUAGE='en', follow=True)
# We only want one redirect, bypassing CommonMiddleware
self.assertEqual(response.redirect_chain, [('/en/account/register/', 302)])
self.assertRedirects(response, '/en/account/register/', 302)
response = self.client.get('/prefixed.xml', HTTP_ACCEPT_LANGUAGE='en', follow=True)
self.assertRedirects(response, '/en/prefixed.xml', 302)
class URLRedirectWithoutTrailingSlashSettingTests(URLTestCaseBase):
"""
Tests the redirect when the requested URL doesn't end with a slash
(`settings.APPEND_SLASH=False`).
"""
@override_settings(APPEND_SLASH=False)
def test_not_prefixed_redirect(self):
response = self.client.get('/not-prefixed', HTTP_ACCEPT_LANGUAGE='en')
self.assertEqual(response.status_code, 404)
@override_settings(APPEND_SLASH=False)
def test_en_redirect(self):
response = self.client.get('/account/register-without-slash', HTTP_ACCEPT_LANGUAGE='en')
self.assertRedirects(response, '/en/account/register-without-slash', 302)
response = self.client.get(response['location'])
self.assertEqual(response.status_code, 200)
class URLResponseTests(URLTestCaseBase):
"""Tests if the response has the correct language code."""
def test_not_prefixed_with_prefix(self):
response = self.client.get('/en/not-prefixed/')
self.assertEqual(response.status_code, 404)
def test_en_url(self):
response = self.client.get('/en/account/register/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'en')
self.assertEqual(response.context['LANGUAGE_CODE'], 'en')
def test_nl_url(self):
response = self.client.get('/nl/profiel/registreren/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'nl')
self.assertEqual(response.context['LANGUAGE_CODE'], 'nl')
def test_wrong_en_prefix(self):
response = self.client.get('/en/profiel/registreren/')
self.assertEqual(response.status_code, 404)
def test_wrong_nl_prefix(self):
response = self.client.get('/nl/account/register/')
self.assertEqual(response.status_code, 404)
def test_pt_br_url(self):
response = self.client.get('/pt-br/conta/registre-se/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'pt-br')
self.assertEqual(response.context['LANGUAGE_CODE'], 'pt-br')
def test_en_path(self):
response = self.client.get('/en/account/register-as-path/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'en')
self.assertEqual(response.context['LANGUAGE_CODE'], 'en')
def test_nl_path(self):
response = self.client.get('/nl/profiel/registreren-als-pad/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response['content-language'], 'nl')
self.assertEqual(response.context['LANGUAGE_CODE'], 'nl')
class URLRedirectWithScriptAliasTests(URLTestCaseBase):
"""
#21579 - LocaleMiddleware should respect the script prefix.
"""
def test_language_prefix_with_script_prefix(self):
prefix = '/script_prefix'
with override_script_prefix(prefix):
response = self.client.get('/prefixed/', HTTP_ACCEPT_LANGUAGE='en', SCRIPT_NAME=prefix)
self.assertRedirects(response, '%s/en/prefixed/' % prefix, target_status_code=404)
class URLTagTests(URLTestCaseBase):
"""
Test if the language tag works.
"""
def test_strings_only(self):
t = Template("""{% load i18n %}
{% language 'nl' %}{% url 'no-prefix-translated' %}{% endlanguage %}
{% language 'pt-br' %}{% url 'no-prefix-translated' %}{% endlanguage %}""")
self.assertEqual(t.render(Context({})).strip().split(),
['/vertaald/', '/traduzidos/'])
def test_context(self):
ctx = Context({'lang1': 'nl', 'lang2': 'pt-br'})
tpl = Template("""{% load i18n %}
{% language lang1 %}{% url 'no-prefix-translated' %}{% endlanguage %}
{% language lang2 %}{% url 'no-prefix-translated' %}{% endlanguage %}""")
self.assertEqual(tpl.render(ctx).strip().split(),
['/vertaald/', '/traduzidos/'])
def test_args(self):
tpl = Template("""{% load i18n %}
{% language 'nl' %}{% url 'no-prefix-translated-slug' 'apo' %}{% endlanguage %}
{% language 'pt-br' %}{% url 'no-prefix-translated-slug' 'apo' %}{% endlanguage %}""")
self.assertEqual(tpl.render(Context({})).strip().split(),
['/vertaald/apo/', '/traduzidos/apo/'])
def test_kwargs(self):
tpl = Template("""{% load i18n %}
{% language 'nl' %}{% url 'no-prefix-translated-slug' slug='apo' %}{% endlanguage %}
{% language 'pt-br' %}{% url 'no-prefix-translated-slug' slug='apo' %}{% endlanguage %}""")
self.assertEqual(tpl.render(Context({})).strip().split(),
['/vertaald/apo/', '/traduzidos/apo/'])
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