zulip/zerver/tests/test_i18n.py

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from http.cookies import SimpleCookie
from typing import TYPE_CHECKING, Any
from unittest import mock
import orjson
from django.conf import settings
from django.core import mail
from django.utils import translation
from zerver.lib.email_notifications import enqueue_welcome_emails
from zerver.lib.i18n import get_browser_language_code
from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.test_helpers import HostRequestMock
from zerver.management.commands import makemessages
from zerver.models import get_realm_stream
if TYPE_CHECKING:
from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse
class EmailTranslationTestCase(ZulipTestCase):
def test_email_translation(self) -> None:
def check_translation(phrase: str, request_type: str, *args: Any, **kwargs: Any) -> None:
if request_type == "post":
self.client_post(*args, **kwargs)
elif request_type == "patch": # nocoverage: see comment below
self.client_patch(*args, **kwargs)
email_message = mail.outbox[0]
self.assertIn(phrase, email_message.body)
for i in range(len(mail.outbox)):
mail.outbox.pop()
hamlet = self.example_user("hamlet")
hamlet.default_language = "de"
hamlet.save()
realm = hamlet.realm
realm.default_language = "de"
realm.save()
stream = get_realm_stream("Denmark", realm.id)
invite_expires_in_minutes = 2 * 24 * 60
self.login_user(hamlet)
# TODO: Uncomment and replace with translation once we have German translations for the strings
# in confirm_new_email.txt.
# Also remove the "nocoverage" from check_translation above.
# check_translation("Viele Grüße", "patch", "/json/settings", {"email": "hamlets-new@zulip.com"})
check_translation(
"Incrível!",
"post",
"/accounts/home/",
{"email": "new-email@zulip.com"},
HTTP_ACCEPT_LANGUAGE="pt",
)
check_translation(
"Danke, dass du", "post", "/accounts/find/", {"emails": hamlet.delivery_email}
)
check_translation(
"Hallo",
"post",
"/json/invites",
{
"invitee_emails": "new-email@zulip.com",
"stream_ids": orjson.dumps([stream.id]).decode(),
"invite_expires_in_minutes": invite_expires_in_minutes,
},
)
with self.settings(DEVELOPMENT_LOG_EMAILS=True):
enqueue_welcome_emails(hamlet)
# TODO: Uncomment and replace with translation once we have German translations for the strings
# in account_registered emails.
# check_translation("Viele Grüße", "")
class TranslationTestCase(ZulipTestCase):
"""
Translations strings should change with locale. URLs should be locale
aware.
"""
def tearDown(self) -> None:
translation.activate(settings.LANGUAGE_CODE)
super().tearDown()
# e.g. self.client_post(url) if method is "post"
def fetch(
self, method: str, url: str, expected_status: int, **kwargs: Any
) -> "TestHttpResponse":
response = getattr(self.client, method)(url, **kwargs)
self.assertEqual(
response.status_code,
expected_status,
msg=f"Expected {expected_status}, received {response.status_code} for {method} to {url}",
)
return response
def test_accept_language_header(self) -> None:
languages = [
("en", "Sign up"),
("de", "Registrieren"),
("sr", "Региструјте се"),
("zh-hans", "注册"),
]
for lang, word in languages:
response = self.fetch("get", "/integrations/", 200, HTTP_ACCEPT_LANGUAGE=lang)
self.assert_in_response(word, response)
def test_cookie(self) -> None:
languages = [
("en", "Sign up"),
("de", "Registrieren"),
("sr", "Региструјте се"),
("zh-hans", "注册"),
]
for lang, word in languages:
# Applying str function to LANGUAGE_COOKIE_NAME to convert Unicode
# into an ascii otherwise SimpleCookie will raise an exception
self.client.cookies = SimpleCookie({str(settings.LANGUAGE_COOKIE_NAME): lang})
response = self.fetch("get", "/integrations/", 200)
self.assert_in_response(word, response)
def test_i18n_urls(self) -> None:
languages = [
("en", "Sign up"),
("de", "Registrieren"),
("sr", "Региструјте се"),
("zh-hans", "注册"),
]
for lang, word in languages:
response = self.fetch("get", f"/{lang}/integrations/", 200)
self.assert_in_response(word, response)
def test_get_browser_language_code(self) -> None:
req = HostRequestMock()
self.assertIsNone(get_browser_language_code(req))
req = HostRequestMock()
req.META["HTTP_ACCEPT_LANGUAGE"] = "de"
self.assertEqual(get_browser_language_code(req), "de")
req = HostRequestMock()
req.META["HTTP_ACCEPT_LANGUAGE"] = "en-GB,en;q=0.8"
self.assertEqual(get_browser_language_code(req), "en-gb")
# Case when unsupported language has higher weight.
req = HostRequestMock()
req.META["HTTP_ACCEPT_LANGUAGE"] = "en-IND;q=0.9,de;q=0.8"
self.assertEqual(get_browser_language_code(req), "de")
# Browser locale is set to unsupported language.
req = HostRequestMock()
req.META["HTTP_ACCEPT_LANGUAGE"] = "en-IND"
self.assertIsNone(get_browser_language_code(req))
req = HostRequestMock()
req.META["HTTP_ACCEPT_LANGUAGE"] = "*"
self.assertIsNone(get_browser_language_code(req))
class JsonTranslationTestCase(ZulipTestCase):
def tearDown(self) -> None:
translation.activate(settings.LANGUAGE_CODE)
super().tearDown()
@mock.patch("zerver.lib.request._")
def test_json_error(self, mock_gettext: Any) -> None:
dummy_value = "this arg is bad: '{var_name}' (translated to German)"
mock_gettext.return_value = dummy_value
self.login("hamlet")
result = self.client_post("/json/invites", HTTP_ACCEPT_LANGUAGE="de")
expected_error = "this arg is bad: 'invitee_emails' (translated to German)"
self.assert_json_error_contains(result, expected_error, status_code=400)
@mock.patch("zerver.views.auth._")
def test_jsonable_error(self, mock_gettext: Any) -> None:
dummy_value = "Some other language"
mock_gettext.return_value = dummy_value
self.login("hamlet")
result = self.client_post("/de/accounts/login/jwt/")
self.assert_json_error_contains(result, dummy_value, status_code=400)
class FrontendRegexTestCase(ZulipTestCase):
def test_regexes(self) -> None:
command = makemessages.Command()
data = [
(
"{{#tr}}english text with {variable}{{/tr}}{{/tr}}",
"english text with {variable}",
),
('{{t "english text" }}, "extra"}}', "english text"),
("{{t 'english text' }}, 'extra'}}", "english text"),
("{{> template var=(t 'english text') }}, 'extra'}}", "english text"),
]
for input_text, expected in data:
result = command.extract_strings(input_text)
self.assert_length(result, 1)
self.assertEqual(result[0], expected)