import datetime
import decimal
import gettext as gettext_module
import os
import pickle
import re
import tempfile
from contextlib import contextmanager
from importlib import import_module
from pathlib import Path
from unittest import mock
from asgiref.local import Local
from django import forms
from django.apps import AppConfig
from django.conf import settings
from django.conf.locale import LANG_INFO
from django.conf.urls.i18n import i18n_patterns
from django.template import Context, Template
from django.test import RequestFactory, SimpleTestCase, TestCase, override_settings
from django.utils import translation
from django.utils.formats import (
date_format,
get_format,
iter_format_modules,
localize,
localize_input,
reset_format_cache,
sanitize_separators,
sanitize_strftime_format,
time_format,
)
from django.utils.numberformat import format as nformat
from django.utils.safestring import SafeString, mark_safe
from django.utils.translation import (
activate,
check_for_language,
deactivate,
get_language,
get_language_bidi,
get_language_from_request,
get_language_info,
gettext,
gettext_lazy,
ngettext,
ngettext_lazy,
npgettext,
npgettext_lazy,
pgettext,
round_away_from_one,
to_language,
to_locale,
trans_null,
trans_real,
)
from django.utils.translation.reloader import (
translation_file_changed,
watch_for_translation_changes,
)
from .forms import CompanyForm, I18nForm, SelectDateForm
from .models import Company, TestModel
here = os.path.dirname(os.path.abspath(__file__))
extended_locale_paths = settings.LOCALE_PATHS + [
os.path.join(here, "other", "locale"),
]
class AppModuleStub:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
@contextmanager
def patch_formats(lang, **settings):
from django.utils.formats import _format_cache
# Populate _format_cache with temporary values
for key, value in settings.items():
_format_cache[(key, lang)] = value
try:
yield
finally:
reset_format_cache()
class TranslationTests(SimpleTestCase):
@translation.override("fr")
def test_plural(self):
"""
Test plurals with ngettext. French differs from English in that 0 is singular.
"""
self.assertEqual(
ngettext("%(num)d year", "%(num)d years", 0) % {"num": 0},
"0 année",
)
self.assertEqual(
ngettext("%(num)d year", "%(num)d years", 2) % {"num": 2},
"2 années",
)
self.assertEqual(
ngettext("%(size)d byte", "%(size)d bytes", 0) % {"size": 0}, "0 octet"
)
self.assertEqual(
ngettext("%(size)d byte", "%(size)d bytes", 2) % {"size": 2}, "2 octets"
)
def test_plural_null(self):
g = trans_null.ngettext
self.assertEqual(g("%(num)d year", "%(num)d years", 0) % {"num": 0}, "0 years")
self.assertEqual(g("%(num)d year", "%(num)d years", 1) % {"num": 1}, "1 year")
self.assertEqual(g("%(num)d year", "%(num)d years", 2) % {"num": 2}, "2 years")
@override_settings(LOCALE_PATHS=extended_locale_paths)
@translation.override("fr")
def test_multiple_plurals_per_language(self):
"""
Normally, French has 2 plurals. As other/locale/fr/LC_MESSAGES/django.po
has a different plural equation with 3 plurals, this tests if those
plural are honored.
"""
self.assertEqual(ngettext("%d singular", "%d plural", 0) % 0, "0 pluriel1")
self.assertEqual(ngettext("%d singular", "%d plural", 1) % 1, "1 singulier")
self.assertEqual(ngettext("%d singular", "%d plural", 2) % 2, "2 pluriel2")
french = trans_real.catalog()
# Internal _catalog can query subcatalogs (from different po files).
self.assertEqual(french._catalog[("%d singular", 0)], "%d singulier")
self.assertEqual(french._catalog[("%(num)d hour", 0)], "%(num)d heure")
def test_override(self):
activate("de")
try:
with translation.override("pl"):
self.assertEqual(get_language(), "pl")
self.assertEqual(get_language(), "de")
with translation.override(None):
self.assertIsNone(get_language())
with translation.override("pl"):
pass
self.assertIsNone(get_language())
self.assertEqual(get_language(), "de")
finally:
deactivate()
def test_override_decorator(self):
@translation.override("pl")
def func_pl():
self.assertEqual(get_language(), "pl")
@translation.override(None)
def func_none():
self.assertIsNone(get_language())
try:
activate("de")
func_pl()
self.assertEqual(get_language(), "de")
func_none()
self.assertEqual(get_language(), "de")
finally:
deactivate()
def test_override_exit(self):
"""
The language restored is the one used when the function was
called, not the one used when the decorator was initialized (#23381).
"""
activate("fr")
@translation.override("pl")
def func_pl():
pass
deactivate()
try:
activate("en")
func_pl()
self.assertEqual(get_language(), "en")
finally:
deactivate()
def test_lazy_objects(self):
"""
Format string interpolation should work with *_lazy objects.
"""
s = gettext_lazy("Add %(name)s")
d = {"name": "Ringo"}
self.assertEqual("Add Ringo", s % d)
with translation.override("de", deactivate=True):
self.assertEqual("Ringo hinzuf\xfcgen", s % d)
with translation.override("pl"):
self.assertEqual("Dodaj Ringo", s % d)
# It should be possible to compare *_lazy objects.
s1 = gettext_lazy("Add %(name)s")
self.assertEqual(s, s1)
s2 = gettext_lazy("Add %(name)s")
s3 = gettext_lazy("Add %(name)s")
self.assertEqual(s2, s3)
self.assertEqual(s, s2)
s4 = gettext_lazy("Some other string")
self.assertNotEqual(s, s4)
def test_lazy_pickle(self):
s1 = gettext_lazy("test")
self.assertEqual(str(s1), "test")
s2 = pickle.loads(pickle.dumps(s1))
self.assertEqual(str(s2), "test")
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_ngettext_lazy(self):
simple_with_format = ngettext_lazy("%d good result", "%d good results")
simple_context_with_format = npgettext_lazy(
"Exclamation", "%d good result", "%d good results"
)
simple_without_format = ngettext_lazy("good result", "good results")
with translation.override("de"):
self.assertEqual(simple_with_format % 1, "1 gutes Resultat")
self.assertEqual(simple_with_format % 4, "4 guten Resultate")
self.assertEqual(simple_context_with_format % 1, "1 gutes Resultat!")
self.assertEqual(simple_context_with_format % 4, "4 guten Resultate!")
self.assertEqual(simple_without_format % 1, "gutes Resultat")
self.assertEqual(simple_without_format % 4, "guten Resultate")
complex_nonlazy = ngettext_lazy(
"Hi %(name)s, %(num)d good result", "Hi %(name)s, %(num)d good results", 4
)
complex_deferred = ngettext_lazy(
"Hi %(name)s, %(num)d good result",
"Hi %(name)s, %(num)d good results",
"num",
)
complex_context_nonlazy = npgettext_lazy(
"Greeting",
"Hi %(name)s, %(num)d good result",
"Hi %(name)s, %(num)d good results",
4,
)
complex_context_deferred = npgettext_lazy(
"Greeting",
"Hi %(name)s, %(num)d good result",
"Hi %(name)s, %(num)d good results",
"num",
)
with translation.override("de"):
self.assertEqual(
complex_nonlazy % {"num": 4, "name": "Jim"},
"Hallo Jim, 4 guten Resultate",
)
self.assertEqual(
complex_deferred % {"name": "Jim", "num": 1},
"Hallo Jim, 1 gutes Resultat",
)
self.assertEqual(
complex_deferred % {"name": "Jim", "num": 5},
"Hallo Jim, 5 guten Resultate",
)
with self.assertRaisesMessage(KeyError, "Your dictionary lacks key"):
complex_deferred % {"name": "Jim"}
self.assertEqual(
complex_context_nonlazy % {"num": 4, "name": "Jim"},
"Willkommen Jim, 4 guten Resultate",
)
self.assertEqual(
complex_context_deferred % {"name": "Jim", "num": 1},
"Willkommen Jim, 1 gutes Resultat",
)
self.assertEqual(
complex_context_deferred % {"name": "Jim", "num": 5},
"Willkommen Jim, 5 guten Resultate",
)
with self.assertRaisesMessage(KeyError, "Your dictionary lacks key"):
complex_context_deferred % {"name": "Jim"}
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_ngettext_lazy_format_style(self):
simple_with_format = ngettext_lazy("{} good result", "{} good results")
simple_context_with_format = npgettext_lazy(
"Exclamation", "{} good result", "{} good results"
)
with translation.override("de"):
self.assertEqual(simple_with_format.format(1), "1 gutes Resultat")
self.assertEqual(simple_with_format.format(4), "4 guten Resultate")
self.assertEqual(simple_context_with_format.format(1), "1 gutes Resultat!")
self.assertEqual(simple_context_with_format.format(4), "4 guten Resultate!")
complex_nonlazy = ngettext_lazy(
"Hi {name}, {num} good result", "Hi {name}, {num} good results", 4
)
complex_deferred = ngettext_lazy(
"Hi {name}, {num} good result", "Hi {name}, {num} good results", "num"
)
complex_context_nonlazy = npgettext_lazy(
"Greeting",
"Hi {name}, {num} good result",
"Hi {name}, {num} good results",
4,
)
complex_context_deferred = npgettext_lazy(
"Greeting",
"Hi {name}, {num} good result",
"Hi {name}, {num} good results",
"num",
)
with translation.override("de"):
self.assertEqual(
complex_nonlazy.format(num=4, name="Jim"),
"Hallo Jim, 4 guten Resultate",
)
self.assertEqual(
complex_deferred.format(name="Jim", num=1),
"Hallo Jim, 1 gutes Resultat",
)
self.assertEqual(
complex_deferred.format(name="Jim", num=5),
"Hallo Jim, 5 guten Resultate",
)
with self.assertRaisesMessage(KeyError, "Your dictionary lacks key"):
complex_deferred.format(name="Jim")
self.assertEqual(
complex_context_nonlazy.format(num=4, name="Jim"),
"Willkommen Jim, 4 guten Resultate",
)
self.assertEqual(
complex_context_deferred.format(name="Jim", num=1),
"Willkommen Jim, 1 gutes Resultat",
)
self.assertEqual(
complex_context_deferred.format(name="Jim", num=5),
"Willkommen Jim, 5 guten Resultate",
)
with self.assertRaisesMessage(KeyError, "Your dictionary lacks key"):
complex_context_deferred.format(name="Jim")
def test_ngettext_lazy_bool(self):
self.assertTrue(ngettext_lazy("%d good result", "%d good results"))
self.assertFalse(ngettext_lazy("", ""))
def test_ngettext_lazy_pickle(self):
s1 = ngettext_lazy("%d good result", "%d good results")
self.assertEqual(s1 % 1, "1 good result")
self.assertEqual(s1 % 8, "8 good results")
s2 = pickle.loads(pickle.dumps(s1))
self.assertEqual(s2 % 1, "1 good result")
self.assertEqual(s2 % 8, "8 good results")
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_pgettext(self):
trans_real._active = Local()
trans_real._translations = {}
with translation.override("de"):
self.assertEqual(pgettext("unexisting", "May"), "May")
self.assertEqual(pgettext("month name", "May"), "Mai")
self.assertEqual(pgettext("verb", "May"), "Kann")
self.assertEqual(
npgettext("search", "%d result", "%d results", 4) % 4, "4 Resultate"
)
def test_empty_value(self):
"""Empty value must stay empty after being translated (#23196)."""
with translation.override("de"):
self.assertEqual("", gettext(""))
s = mark_safe("")
self.assertEqual(s, gettext(s))
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_safe_status(self):
"""
Translating a string requiring no auto-escaping with gettext or pgettext
shouldn't change the "safe" status.
"""
trans_real._active = Local()
trans_real._translations = {}
s1 = mark_safe("Password")
s2 = mark_safe("May")
with translation.override("de", deactivate=True):
self.assertIs(type(gettext(s1)), SafeString)
self.assertIs(type(pgettext("month name", s2)), SafeString)
self.assertEqual("aPassword", SafeString("a") + s1)
self.assertEqual("Passworda", s1 + SafeString("a"))
self.assertEqual("Passworda", s1 + mark_safe("a"))
self.assertEqual("aPassword", mark_safe("a") + s1)
self.assertEqual("as", mark_safe("a") + mark_safe("s"))
def test_maclines(self):
"""
Translations on files with Mac or DOS end of lines will be converted
to unix EOF in .po catalogs.
"""
ca_translation = trans_real.translation("ca")
ca_translation._catalog["Mac\nEOF\n"] = "Catalan Mac\nEOF\n"
ca_translation._catalog["Win\nEOF\n"] = "Catalan Win\nEOF\n"
with translation.override("ca", deactivate=True):
self.assertEqual("Catalan Mac\nEOF\n", gettext("Mac\rEOF\r"))
self.assertEqual("Catalan Win\nEOF\n", gettext("Win\r\nEOF\r\n"))
def test_to_locale(self):
tests = (
("en", "en"),
("EN", "en"),
("en-us", "en_US"),
("EN-US", "en_US"),
("en_US", "en_US"),
# With > 2 characters after the dash.
("sr-latn", "sr_Latn"),
("sr-LATN", "sr_Latn"),
("sr_Latn", "sr_Latn"),
# 3-char language codes.
("ber-MA", "ber_MA"),
("BER-MA", "ber_MA"),
("BER_MA", "ber_MA"),
("ber_MA", "ber_MA"),
# With private use subtag (x-informal).
("nl-nl-x-informal", "nl_NL-x-informal"),
("NL-NL-X-INFORMAL", "nl_NL-x-informal"),
("sr-latn-x-informal", "sr_Latn-x-informal"),
("SR-LATN-X-INFORMAL", "sr_Latn-x-informal"),
)
for lang, locale in tests:
with self.subTest(lang=lang):
self.assertEqual(to_locale(lang), locale)
def test_to_language(self):
self.assertEqual(to_language("en_US"), "en-us")
self.assertEqual(to_language("sr_Lat"), "sr-lat")
def test_language_bidi(self):
self.assertIs(get_language_bidi(), False)
with translation.override(None):
self.assertIs(get_language_bidi(), False)
def test_language_bidi_null(self):
self.assertIs(trans_null.get_language_bidi(), False)
with override_settings(LANGUAGE_CODE="he"):
self.assertIs(get_language_bidi(), True)
class TranslationLoadingTests(SimpleTestCase):
def setUp(self):
"""Clear translation state."""
self._old_language = get_language()
self._old_translations = trans_real._translations
deactivate()
trans_real._translations = {}
def tearDown(self):
trans_real._translations = self._old_translations
activate(self._old_language)
@override_settings(
USE_I18N=True,
LANGUAGE_CODE="en",
LANGUAGES=[
("en", "English"),
("en-ca", "English (Canada)"),
("en-nz", "English (New Zealand)"),
("en-au", "English (Australia)"),
],
LOCALE_PATHS=[os.path.join(here, "loading")],
INSTALLED_APPS=["i18n.loading_app"],
)
def test_translation_loading(self):
"""
"loading_app" does not have translations for all languages provided by
"loading". Catalogs are merged correctly.
"""
tests = [
("en", "local country person"),
("en_AU", "aussie"),
("en_NZ", "kiwi"),
("en_CA", "canuck"),
]
# Load all relevant translations.
for language, _ in tests:
activate(language)
# Catalogs are merged correctly.
for language, nickname in tests:
with self.subTest(language=language):
activate(language)
self.assertEqual(gettext("local country person"), nickname)
class TranslationThreadSafetyTests(SimpleTestCase):
def setUp(self):
self._old_language = get_language()
self._translations = trans_real._translations
# here we rely on .split() being called inside the _fetch()
# in trans_real.translation()
class sideeffect_str(str):
def split(self, *args, **kwargs):
res = str.split(self, *args, **kwargs)
trans_real._translations["en-YY"] = None
return res
trans_real._translations = {sideeffect_str("en-XX"): None}
def tearDown(self):
trans_real._translations = self._translations
activate(self._old_language)
def test_bug14894_translation_activate_thread_safety(self):
translation_count = len(trans_real._translations)
# May raise RuntimeError if translation.activate() isn't thread-safe.
translation.activate("pl")
# make sure sideeffect_str actually added a new translation
self.assertLess(translation_count, len(trans_real._translations))
class FormattingTests(SimpleTestCase):
def setUp(self):
super().setUp()
self.n = decimal.Decimal("66666.666")
self.f = 99999.999
self.d = datetime.date(2009, 12, 31)
self.dt = datetime.datetime(2009, 12, 31, 20, 50)
self.t = datetime.time(10, 15, 48)
self.long = 10000
self.ctxt = Context(
{
"n": self.n,
"t": self.t,
"d": self.d,
"dt": self.dt,
"f": self.f,
"l": self.long,
}
)
def test_all_format_strings(self):
all_locales = LANG_INFO.keys()
some_date = datetime.date(2017, 10, 14)
some_datetime = datetime.datetime(2017, 10, 14, 10, 23)
for locale in all_locales:
with self.subTest(locale=locale), translation.override(locale):
self.assertIn(
"2017", date_format(some_date)
) # Uses DATE_FORMAT by default
self.assertIn(
"23", time_format(some_datetime)
) # Uses TIME_FORMAT by default
self.assertIn("2017", date_format(some_datetime, "DATETIME_FORMAT"))
self.assertIn("2017", date_format(some_date, "YEAR_MONTH_FORMAT"))
self.assertIn("14", date_format(some_date, "MONTH_DAY_FORMAT"))
self.assertIn("2017", date_format(some_date, "SHORT_DATE_FORMAT"))
self.assertIn(
"2017",
date_format(some_datetime, "SHORT_DATETIME_FORMAT"),
)
def test_locale_independent(self):
"""
Localization of numbers
"""
with self.settings(USE_THOUSAND_SEPARATOR=False):
self.assertEqual(
"66666.66",
nformat(
self.n, decimal_sep=".", decimal_pos=2, grouping=3, thousand_sep=","
),
)
self.assertEqual(
"66666A6",
nformat(
self.n, decimal_sep="A", decimal_pos=1, grouping=1, thousand_sep="B"
),
)
self.assertEqual(
"66666",
nformat(
self.n, decimal_sep="X", decimal_pos=0, grouping=1, thousand_sep="Y"
),
)
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual(
"66,666.66",
nformat(
self.n, decimal_sep=".", decimal_pos=2, grouping=3, thousand_sep=","
),
)
self.assertEqual(
"6B6B6B6B6A6",
nformat(
self.n, decimal_sep="A", decimal_pos=1, grouping=1, thousand_sep="B"
),
)
self.assertEqual(
"-66666.6", nformat(-66666.666, decimal_sep=".", decimal_pos=1)
)
self.assertEqual(
"-66666.0", nformat(int("-66666"), decimal_sep=".", decimal_pos=1)
)
self.assertEqual(
"10000.0", nformat(self.long, decimal_sep=".", decimal_pos=1)
)
self.assertEqual(
"10,00,00,000.00",
nformat(
100000000.00,
decimal_sep=".",
decimal_pos=2,
grouping=(3, 2, 0),
thousand_sep=",",
),
)
self.assertEqual(
"1,0,00,000,0000.00",
nformat(
10000000000.00,
decimal_sep=".",
decimal_pos=2,
grouping=(4, 3, 2, 1, 0),
thousand_sep=",",
),
)
self.assertEqual(
"10000,00,000.00",
nformat(
1000000000.00,
decimal_sep=".",
decimal_pos=2,
grouping=(3, 2, -1),
thousand_sep=",",
),
)
# This unusual grouping/force_grouping combination may be triggered
# by the intcomma filter.
self.assertEqual(
"10000",
nformat(
self.long,
decimal_sep=".",
decimal_pos=0,
grouping=0,
force_grouping=True,
),
)
# date filter
self.assertEqual(
"31.12.2009 в 20:50",
Template('{{ dt|date:"d.m.Y в H:i" }}').render(self.ctxt),
)
self.assertEqual(
"⌚ 10:15", Template('{{ t|time:"⌚ H:i" }}').render(self.ctxt)
)
def test_false_like_locale_formats(self):
"""
The active locale's formats take precedence over the default settings
even if they would be interpreted as False in a conditional test
(e.g. 0 or empty string) (#16938).
"""
with translation.override("fr"):
with self.settings(USE_THOUSAND_SEPARATOR=True, THOUSAND_SEPARATOR="!"):
self.assertEqual("\xa0", get_format("THOUSAND_SEPARATOR"))
# Even a second time (after the format has been cached)...
self.assertEqual("\xa0", get_format("THOUSAND_SEPARATOR"))
with self.settings(FIRST_DAY_OF_WEEK=0):
self.assertEqual(1, get_format("FIRST_DAY_OF_WEEK"))
# Even a second time (after the format has been cached)...
self.assertEqual(1, get_format("FIRST_DAY_OF_WEEK"))
def test_l10n_enabled(self):
self.maxDiff = 3000
# Catalan locale
with translation.override("ca", deactivate=True):
self.assertEqual(r"j E \d\e Y", get_format("DATE_FORMAT"))
self.assertEqual(1, get_format("FIRST_DAY_OF_WEEK"))
self.assertEqual(",", get_format("DECIMAL_SEPARATOR"))
self.assertEqual("10:15", time_format(self.t))
self.assertEqual("31 desembre de 2009", date_format(self.d))
self.assertEqual("1 abril de 2009", date_format(datetime.date(2009, 4, 1)))
self.assertEqual(
"desembre del 2009", date_format(self.d, "YEAR_MONTH_FORMAT")
)
self.assertEqual(
"31/12/2009 20:50", date_format(self.dt, "SHORT_DATETIME_FORMAT")
)
self.assertEqual("No localizable", localize("No localizable"))
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual("66.666,666", localize(self.n))
self.assertEqual("99.999,999", localize(self.f))
self.assertEqual("10.000", localize(self.long))
self.assertEqual("True", localize(True))
with self.settings(USE_THOUSAND_SEPARATOR=False):
self.assertEqual("66666,666", localize(self.n))
self.assertEqual("99999,999", localize(self.f))
self.assertEqual("10000", localize(self.long))
self.assertEqual("31 desembre de 2009", localize(self.d))
self.assertEqual("31 desembre de 2009 a les 20:50", localize(self.dt))
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual("66.666,666", Template("{{ n }}").render(self.ctxt))
self.assertEqual("99.999,999", Template("{{ f }}").render(self.ctxt))
self.assertEqual("10.000", Template("{{ l }}").render(self.ctxt))
with self.settings(USE_THOUSAND_SEPARATOR=True):
form3 = I18nForm(
{
"decimal_field": "66.666,666",
"float_field": "99.999,999",
"date_field": "31/12/2009",
"datetime_field": "31/12/2009 20:50",
"time_field": "20:50",
"integer_field": "1.234",
}
)
self.assertTrue(form3.is_valid())
self.assertEqual(
decimal.Decimal("66666.666"), form3.cleaned_data["decimal_field"]
)
self.assertEqual(99999.999, form3.cleaned_data["float_field"])
self.assertEqual(
datetime.date(2009, 12, 31), form3.cleaned_data["date_field"]
)
self.assertEqual(
datetime.datetime(2009, 12, 31, 20, 50),
form3.cleaned_data["datetime_field"],
)
self.assertEqual(
datetime.time(20, 50), form3.cleaned_data["time_field"]
)
self.assertEqual(1234, form3.cleaned_data["integer_field"])
with self.settings(USE_THOUSAND_SEPARATOR=False):
self.assertEqual("66666,666", Template("{{ n }}").render(self.ctxt))
self.assertEqual("99999,999", Template("{{ f }}").render(self.ctxt))
self.assertEqual(
"31 desembre de 2009", Template("{{ d }}").render(self.ctxt)
)
self.assertEqual(
"31 desembre de 2009 a les 20:50",
Template("{{ dt }}").render(self.ctxt),
)
self.assertEqual(
"66666,67", Template("{{ n|floatformat:2 }}").render(self.ctxt)
)
self.assertEqual(
"100000,0", Template("{{ f|floatformat }}").render(self.ctxt)
)
self.assertEqual(
"66.666,67",
Template('{{ n|floatformat:"2g" }}').render(self.ctxt),
)
self.assertEqual(
"100.000,0",
Template('{{ f|floatformat:"g" }}').render(self.ctxt),
)
self.assertEqual(
"10:15", Template('{{ t|time:"TIME_FORMAT" }}').render(self.ctxt)
)
self.assertEqual(
"31/12/2009",
Template('{{ d|date:"SHORT_DATE_FORMAT" }}').render(self.ctxt),
)
self.assertEqual(
"31/12/2009 20:50",
Template('{{ dt|date:"SHORT_DATETIME_FORMAT" }}').render(self.ctxt),
)
self.assertEqual(
date_format(datetime.datetime.now()),
Template('{% now "DATE_FORMAT" %}').render(self.ctxt),
)
with self.settings(USE_THOUSAND_SEPARATOR=False):
form4 = I18nForm(
{
"decimal_field": "66666,666",
"float_field": "99999,999",
"date_field": "31/12/2009",
"datetime_field": "31/12/2009 20:50",
"time_field": "20:50",
"integer_field": "1234",
}
)
self.assertTrue(form4.is_valid())
self.assertEqual(
decimal.Decimal("66666.666"), form4.cleaned_data["decimal_field"]
)
self.assertEqual(99999.999, form4.cleaned_data["float_field"])
self.assertEqual(
datetime.date(2009, 12, 31), form4.cleaned_data["date_field"]
)
self.assertEqual(
datetime.datetime(2009, 12, 31, 20, 50),
form4.cleaned_data["datetime_field"],
)
self.assertEqual(
datetime.time(20, 50), form4.cleaned_data["time_field"]
)
self.assertEqual(1234, form4.cleaned_data["integer_field"])
form5 = SelectDateForm(
{
"date_field_month": "12",
"date_field_day": "31",
"date_field_year": "2009",
}
)
self.assertTrue(form5.is_valid())
self.assertEqual(
datetime.date(2009, 12, 31), form5.cleaned_data["date_field"]
)
self.assertHTMLEqual(
'"
'"
'",
forms.SelectDateWidget(years=range(2009, 2019)).render(
"mydate", datetime.date(2009, 12, 31)
),
)
# Russian locale (with E as month)
with translation.override("ru", deactivate=True):
self.assertHTMLEqual(
'"
'"
'",
forms.SelectDateWidget(years=range(2009, 2019)).render(
"mydate", datetime.date(2009, 12, 31)
),
)
# English locale
with translation.override("en", deactivate=True):
self.assertEqual("N j, Y", get_format("DATE_FORMAT"))
self.assertEqual(0, get_format("FIRST_DAY_OF_WEEK"))
self.assertEqual(".", get_format("DECIMAL_SEPARATOR"))
self.assertEqual("Dec. 31, 2009", date_format(self.d))
self.assertEqual("December 2009", date_format(self.d, "YEAR_MONTH_FORMAT"))
self.assertEqual(
"12/31/2009 8:50 p.m.", date_format(self.dt, "SHORT_DATETIME_FORMAT")
)
self.assertEqual("No localizable", localize("No localizable"))
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual("66,666.666", localize(self.n))
self.assertEqual("99,999.999", localize(self.f))
self.assertEqual("10,000", localize(self.long))
with self.settings(USE_THOUSAND_SEPARATOR=False):
self.assertEqual("66666.666", localize(self.n))
self.assertEqual("99999.999", localize(self.f))
self.assertEqual("10000", localize(self.long))
self.assertEqual("Dec. 31, 2009", localize(self.d))
self.assertEqual("Dec. 31, 2009, 8:50 p.m.", localize(self.dt))
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual("66,666.666", Template("{{ n }}").render(self.ctxt))
self.assertEqual("99,999.999", Template("{{ f }}").render(self.ctxt))
self.assertEqual("10,000", Template("{{ l }}").render(self.ctxt))
with self.settings(USE_THOUSAND_SEPARATOR=False):
self.assertEqual("66666.666", Template("{{ n }}").render(self.ctxt))
self.assertEqual("99999.999", Template("{{ f }}").render(self.ctxt))
self.assertEqual("Dec. 31, 2009", Template("{{ d }}").render(self.ctxt))
self.assertEqual(
"Dec. 31, 2009, 8:50 p.m.", Template("{{ dt }}").render(self.ctxt)
)
self.assertEqual(
"66666.67", Template("{{ n|floatformat:2 }}").render(self.ctxt)
)
self.assertEqual(
"100000.0", Template("{{ f|floatformat }}").render(self.ctxt)
)
self.assertEqual(
"66,666.67",
Template('{{ n|floatformat:"2g" }}').render(self.ctxt),
)
self.assertEqual(
"100,000.0",
Template('{{ f|floatformat:"g" }}').render(self.ctxt),
)
self.assertEqual(
"12/31/2009",
Template('{{ d|date:"SHORT_DATE_FORMAT" }}').render(self.ctxt),
)
self.assertEqual(
"12/31/2009 8:50 p.m.",
Template('{{ dt|date:"SHORT_DATETIME_FORMAT" }}').render(self.ctxt),
)
form5 = I18nForm(
{
"decimal_field": "66666.666",
"float_field": "99999.999",
"date_field": "12/31/2009",
"datetime_field": "12/31/2009 20:50",
"time_field": "20:50",
"integer_field": "1234",
}
)
self.assertTrue(form5.is_valid())
self.assertEqual(
decimal.Decimal("66666.666"), form5.cleaned_data["decimal_field"]
)
self.assertEqual(99999.999, form5.cleaned_data["float_field"])
self.assertEqual(
datetime.date(2009, 12, 31), form5.cleaned_data["date_field"]
)
self.assertEqual(
datetime.datetime(2009, 12, 31, 20, 50),
form5.cleaned_data["datetime_field"],
)
self.assertEqual(datetime.time(20, 50), form5.cleaned_data["time_field"])
self.assertEqual(1234, form5.cleaned_data["integer_field"])
form6 = SelectDateForm(
{
"date_field_month": "12",
"date_field_day": "31",
"date_field_year": "2009",
}
)
self.assertTrue(form6.is_valid())
self.assertEqual(
datetime.date(2009, 12, 31), form6.cleaned_data["date_field"]
)
self.assertHTMLEqual(
'"
'"
'",
forms.SelectDateWidget(years=range(2009, 2019)).render(
"mydate", datetime.date(2009, 12, 31)
),
)
def test_sub_locales(self):
"""
Check if sublocales fall back to the main locale
"""
with self.settings(USE_THOUSAND_SEPARATOR=True):
with translation.override("de-at", deactivate=True):
self.assertEqual("66.666,666", Template("{{ n }}").render(self.ctxt))
with translation.override("es-us", deactivate=True):
self.assertEqual("31 de diciembre de 2009", date_format(self.d))
def test_localized_input(self):
"""
Tests if form input is correctly localized
"""
self.maxDiff = 1200
with translation.override("de-at", deactivate=True):
form6 = CompanyForm(
{
"name": "acme",
"date_added": datetime.datetime(2009, 12, 31, 6, 0, 0),
"cents_paid": decimal.Decimal("59.47"),
"products_delivered": 12000,
}
)
self.assertTrue(form6.is_valid())
self.assertHTMLEqual(
form6.as_ul(),
''
''
''
''
''
'"
''
''
"",
)
self.assertEqual(
localize_input(datetime.datetime(2009, 12, 31, 6, 0, 0)),
"31.12.2009 06:00:00",
)
self.assertEqual(
datetime.datetime(2009, 12, 31, 6, 0, 0),
form6.cleaned_data["date_added"],
)
with self.settings(USE_THOUSAND_SEPARATOR=True):
# Checking for the localized "products_delivered" field
self.assertInHTML(
'',
form6.as_ul(),
)
def test_localized_input_func(self):
tests = (
(True, "True"),
(datetime.date(1, 1, 1), "0001-01-01"),
(datetime.datetime(1, 1, 1), "0001-01-01 00:00:00"),
)
with self.settings(USE_THOUSAND_SEPARATOR=True):
for value, expected in tests:
with self.subTest(value=value):
self.assertEqual(localize_input(value), expected)
def test_sanitize_strftime_format(self):
for year in (1, 99, 999, 1000):
dt = datetime.date(year, 1, 1)
for fmt, expected in [
("%C", "%02d" % (year // 100)),
("%F", "%04d-01-01" % year),
("%G", "%04d" % year),
("%Y", "%04d" % year),
]:
with self.subTest(year=year, fmt=fmt):
fmt = sanitize_strftime_format(fmt)
self.assertEqual(dt.strftime(fmt), expected)
def test_sanitize_strftime_format_with_escaped_percent(self):
dt = datetime.date(1, 1, 1)
for fmt, expected in [
("%%C", "%C"),
("%%F", "%F"),
("%%G", "%G"),
("%%Y", "%Y"),
("%%%%C", "%%C"),
("%%%%F", "%%F"),
("%%%%G", "%%G"),
("%%%%Y", "%%Y"),
]:
with self.subTest(fmt=fmt):
fmt = sanitize_strftime_format(fmt)
self.assertEqual(dt.strftime(fmt), expected)
for year in (1, 99, 999, 1000):
dt = datetime.date(year, 1, 1)
for fmt, expected in [
("%%%C", "%%%02d" % (year // 100)),
("%%%F", "%%%04d-01-01" % year),
("%%%G", "%%%04d" % year),
("%%%Y", "%%%04d" % year),
("%%%%%C", "%%%%%02d" % (year // 100)),
("%%%%%F", "%%%%%04d-01-01" % year),
("%%%%%G", "%%%%%04d" % year),
("%%%%%Y", "%%%%%04d" % year),
]:
with self.subTest(year=year, fmt=fmt):
fmt = sanitize_strftime_format(fmt)
self.assertEqual(dt.strftime(fmt), expected)
def test_sanitize_separators(self):
"""
Tests django.utils.formats.sanitize_separators.
"""
# Non-strings are untouched
self.assertEqual(sanitize_separators(123), 123)
with translation.override("ru", deactivate=True):
# Russian locale has non-breaking space (\xa0) as thousand separator
# Usual space is accepted too when sanitizing inputs
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual(sanitize_separators("1\xa0234\xa0567"), "1234567")
self.assertEqual(sanitize_separators("77\xa0777,777"), "77777.777")
self.assertEqual(sanitize_separators("12 345"), "12345")
self.assertEqual(sanitize_separators("77 777,777"), "77777.777")
with translation.override(None):
with self.settings(USE_THOUSAND_SEPARATOR=True, THOUSAND_SEPARATOR="."):
self.assertEqual(sanitize_separators("12\xa0345"), "12\xa0345")
with self.settings(USE_THOUSAND_SEPARATOR=True):
with patch_formats(
get_language(), THOUSAND_SEPARATOR=".", DECIMAL_SEPARATOR=","
):
self.assertEqual(sanitize_separators("10.234"), "10234")
# Suspicion that user entered dot as decimal separator (#22171)
self.assertEqual(sanitize_separators("10.10"), "10.10")
with translation.override(None):
with self.settings(DECIMAL_SEPARATOR=","):
self.assertEqual(sanitize_separators("1001,10"), "1001.10")
self.assertEqual(sanitize_separators("1001.10"), "1001.10")
with self.settings(
DECIMAL_SEPARATOR=",",
THOUSAND_SEPARATOR=".",
USE_THOUSAND_SEPARATOR=True,
):
self.assertEqual(sanitize_separators("1.001,10"), "1001.10")
self.assertEqual(sanitize_separators("1001,10"), "1001.10")
self.assertEqual(sanitize_separators("1001.10"), "1001.10")
# Invalid output.
self.assertEqual(sanitize_separators("1,001.10"), "1.001.10")
def test_iter_format_modules(self):
"""
Tests the iter_format_modules function.
"""
# Importing some format modules so that we can compare the returned
# modules with these expected modules
default_mod = import_module("django.conf.locale.de.formats")
test_mod = import_module("i18n.other.locale.de.formats")
test_mod2 = import_module("i18n.other2.locale.de.formats")
with translation.override("de-at", deactivate=True):
# Should return the correct default module when no setting is set
self.assertEqual(list(iter_format_modules("de")), [default_mod])
# When the setting is a string, should return the given module and
# the default module
self.assertEqual(
list(iter_format_modules("de", "i18n.other.locale")),
[test_mod, default_mod],
)
# When setting is a list of strings, should return the given
# modules and the default module
self.assertEqual(
list(
iter_format_modules(
"de", ["i18n.other.locale", "i18n.other2.locale"]
)
),
[test_mod, test_mod2, default_mod],
)
def test_iter_format_modules_stability(self):
"""
Tests the iter_format_modules function always yields format modules in
a stable and correct order in presence of both base ll and ll_CC formats.
"""
en_format_mod = import_module("django.conf.locale.en.formats")
en_gb_format_mod = import_module("django.conf.locale.en_GB.formats")
self.assertEqual(
list(iter_format_modules("en-gb")), [en_gb_format_mod, en_format_mod]
)
def test_get_format_modules_lang(self):
with translation.override("de", deactivate=True):
self.assertEqual(".", get_format("DECIMAL_SEPARATOR", lang="en"))
def test_get_format_lazy_format(self):
self.assertEqual(get_format(gettext_lazy("DATE_FORMAT")), "N j, Y")
def test_localize_templatetag_and_filter(self):
"""
Test the {% localize %} templatetag and the localize/unlocalize filters.
"""
context = Context(
{"int": 1455, "float": 3.14, "date": datetime.date(2016, 12, 31)}
)
template1 = Template(
"{% load l10n %}{% localize %}"
"{{ int }}/{{ float }}/{{ date }}{% endlocalize %}; "
"{% localize on %}{{ int }}/{{ float }}/{{ date }}{% endlocalize %}"
)
template2 = Template(
"{% load l10n %}{{ int }}/{{ float }}/{{ date }}; "
"{% localize off %}{{ int }}/{{ float }}/{{ date }};{% endlocalize %} "
"{{ int }}/{{ float }}/{{ date }}"
)
template3 = Template(
"{% load l10n %}{{ int }}/{{ float }}/{{ date }}; "
"{{ int|unlocalize }}/{{ float|unlocalize }}/{{ date|unlocalize }}"
)
expected_localized = "1.455/3,14/31. Dezember 2016"
expected_unlocalized = "1455/3.14/Dez. 31, 2016"
output1 = "; ".join([expected_localized, expected_localized])
output2 = "; ".join(
[expected_localized, expected_unlocalized, expected_localized]
)
output3 = "; ".join([expected_localized, expected_unlocalized])
with translation.override("de", deactivate=True):
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual(template1.render(context), output1)
self.assertEqual(template2.render(context), output2)
self.assertEqual(template3.render(context), output3)
def test_localized_off_numbers(self):
"""A string representation is returned for unlocalized numbers."""
template = Template(
"{% load l10n %}{% localize off %}"
"{{ int }}/{{ float }}/{{ decimal }}{% endlocalize %}"
)
context = Context(
{"int": 1455, "float": 3.14, "decimal": decimal.Decimal("24.1567")}
)
with self.settings(
DECIMAL_SEPARATOR=",",
USE_THOUSAND_SEPARATOR=True,
THOUSAND_SEPARATOR="°",
NUMBER_GROUPING=2,
):
self.assertEqual(template.render(context), "1455/3.14/24.1567")
def test_localized_as_text_as_hidden_input(self):
"""
Form input with 'as_hidden' or 'as_text' is correctly localized.
"""
self.maxDiff = 1200
with translation.override("de-at", deactivate=True):
template = Template(
"{% load l10n %}{{ form.date_added }}; {{ form.cents_paid }}"
)
template_as_text = Template(
"{% load l10n %}"
"{{ form.date_added.as_text }}; {{ form.cents_paid.as_text }}"
)
template_as_hidden = Template(
"{% load l10n %}"
"{{ form.date_added.as_hidden }}; {{ form.cents_paid.as_hidden }}"
)
form = CompanyForm(
{
"name": "acme",
"date_added": datetime.datetime(2009, 12, 31, 6, 0, 0),
"cents_paid": decimal.Decimal("59.47"),
"products_delivered": 12000,
}
)
context = Context({"form": form})
self.assertTrue(form.is_valid())
self.assertHTMLEqual(
template.render(context),
';'
'",
)
self.assertHTMLEqual(
template_as_text.render(context),
';'
'",
)
self.assertHTMLEqual(
template_as_hidden.render(context),
';'
'',
)
def test_format_arbitrary_settings(self):
self.assertEqual(get_format("DEBUG"), "DEBUG")
def test_get_custom_format(self):
reset_format_cache()
with self.settings(FORMAT_MODULE_PATH="i18n.other.locale"):
with translation.override("fr", deactivate=True):
self.assertEqual("d/m/Y CUSTOM", get_format("CUSTOM_DAY_FORMAT"))
def test_admin_javascript_supported_input_formats(self):
"""
The first input format for DATE_INPUT_FORMATS, TIME_INPUT_FORMATS, and
DATETIME_INPUT_FORMATS must not contain %f since that's unsupported by
the admin's time picker widget.
"""
regex = re.compile("%([^BcdHImMpSwxXyY%])")
for language_code, language_name in settings.LANGUAGES:
for format_name in (
"DATE_INPUT_FORMATS",
"TIME_INPUT_FORMATS",
"DATETIME_INPUT_FORMATS",
):
with self.subTest(language=language_code, format=format_name):
formatter = get_format(format_name, lang=language_code)[0]
self.assertEqual(
regex.findall(formatter),
[],
"%s locale's %s uses an unsupported format code."
% (language_code, format_name),
)
class MiscTests(SimpleTestCase):
rf = RequestFactory()
@override_settings(LANGUAGE_CODE="de")
def test_english_fallback(self):
"""
With a non-English LANGUAGE_CODE and if the active language is English
or one of its variants, the untranslated string should be returned
(instead of falling back to LANGUAGE_CODE) (See #24413).
"""
self.assertEqual(gettext("Image"), "Bild")
with translation.override("en"):
self.assertEqual(gettext("Image"), "Image")
with translation.override("en-us"):
self.assertEqual(gettext("Image"), "Image")
with translation.override("en-ca"):
self.assertEqual(gettext("Image"), "Image")
def test_parse_spec_http_header(self):
"""
Testing HTTP header parsing. First, we test that we can parse the
values according to the spec (and that we extract all the pieces in
the right order).
"""
tests = [
# Good headers
("de", [("de", 1.0)]),
("en-AU", [("en-au", 1.0)]),
("es-419", [("es-419", 1.0)]),
("*;q=1.00", [("*", 1.0)]),
("en-AU;q=0.123", [("en-au", 0.123)]),
("en-au;q=0.5", [("en-au", 0.5)]),
("en-au;q=1.0", [("en-au", 1.0)]),
("da, en-gb;q=0.25, en;q=0.5", [("da", 1.0), ("en", 0.5), ("en-gb", 0.25)]),
("en-au-xx", [("en-au-xx", 1.0)]),
(
"de,en-au;q=0.75,en-us;q=0.5,en;q=0.25,es;q=0.125,fa;q=0.125",
[
("de", 1.0),
("en-au", 0.75),
("en-us", 0.5),
("en", 0.25),
("es", 0.125),
("fa", 0.125),
],
),
("*", [("*", 1.0)]),
("de;q=0.", [("de", 0.0)]),
("en; q=1,", [("en", 1.0)]),
("en; q=1.0, * ; q=0.5", [("en", 1.0), ("*", 0.5)]),
# Bad headers
("en-gb;q=1.0000", []),
("en;q=0.1234", []),
("en;q=.2", []),
("abcdefghi-au", []),
("**", []),
("en,,gb", []),
("en-au;q=0.1.0", []),
(("X" * 97) + "Z,en", []),
("da, en-gb;q=0.8, en;q=0.7,#", []),
("de;q=2.0", []),
("de;q=0.a", []),
("12-345", []),
("", []),
("en;q=1e0", []),
("en-au;q=１.０", []),
]
for value, expected in tests:
with self.subTest(value=value):
self.assertEqual(
trans_real.parse_accept_lang_header(value), tuple(expected)
)
def test_parse_literal_http_header(self):
tests = [
("pt-br", "pt-br"),
("pt", "pt"),
("es,de", "es"),
("es-a,de", "es"),
# There isn't a Django translation to a US variation of the Spanish
# language, a safe assumption. When the user sets it as the
# preferred language, the main 'es' translation should be selected
# instead.
("es-us", "es"),
# There isn't a main language (zh) translation of Django but there
# is a translation to variation (zh-hans) the user sets zh-hans as
# the preferred language, it should be selected without falling
# back nor ignoring it.
("zh-hans,de", "zh-hans"),
("NL", "nl"),
("fy", "fy"),
("ia", "ia"),
("sr-latn", "sr-latn"),
("zh-hans", "zh-hans"),
("zh-hant", "zh-hant"),
]
for header, expected in tests:
with self.subTest(header=header):
request = self.rf.get("/", headers={"accept-language": header})
self.assertEqual(get_language_from_request(request), expected)
@override_settings(
LANGUAGES=[
("en", "English"),
("zh-hans", "Simplified Chinese"),
("zh-hant", "Traditional Chinese"),
]
)
def test_support_for_deprecated_chinese_language_codes(self):
"""
Some browsers (Firefox, IE, etc.) use deprecated language codes. As these
language codes will be removed in Django 1.9, these will be incorrectly
matched. For example zh-tw (traditional) will be interpreted as zh-hans
(simplified), which is wrong. So we should also accept these deprecated
language codes.
refs #18419 -- this is explicitly for browser compatibility
"""
g = get_language_from_request
request = self.rf.get("/", headers={"accept-language": "zh-cn,en"})
self.assertEqual(g(request), "zh-hans")
request = self.rf.get("/", headers={"accept-language": "zh-tw,en"})
self.assertEqual(g(request), "zh-hant")
def test_special_fallback_language(self):
"""
Some languages may have special fallbacks that don't follow the simple
'fr-ca' -> 'fr' logic (notably Chinese codes).
"""
request = self.rf.get("/", headers={"accept-language": "zh-my,en"})
self.assertEqual(get_language_from_request(request), "zh-hans")
def test_subsequent_code_fallback_language(self):
"""
Subsequent language codes should be used when the language code is not
supported.
"""
tests = [
("zh-Hans-CN", "zh-hans"),
("zh-hans-mo", "zh-hans"),
("zh-hans-HK", "zh-hans"),
("zh-Hant-HK", "zh-hant"),
("zh-hant-tw", "zh-hant"),
("zh-hant-SG", "zh-hant"),
]
for value, expected in tests:
with self.subTest(value=value):
request = self.rf.get("/", headers={"accept-language": f"{value},en"})
self.assertEqual(get_language_from_request(request), expected)
def test_parse_language_cookie(self):
g = get_language_from_request
request = self.rf.get("/")
request.COOKIES[settings.LANGUAGE_COOKIE_NAME] = "pt-br"
self.assertEqual("pt-br", g(request))
request.COOKIES[settings.LANGUAGE_COOKIE_NAME] = "pt"
self.assertEqual("pt", g(request))
request = self.rf.get("/", headers={"accept-language": "de"})
request.COOKIES[settings.LANGUAGE_COOKIE_NAME] = "es"
self.assertEqual("es", g(request))
# There isn't a Django translation to a US variation of the Spanish
# language, a safe assumption. When the user sets it as the preferred
# language, the main 'es' translation should be selected instead.
request = self.rf.get("/")
request.COOKIES[settings.LANGUAGE_COOKIE_NAME] = "es-us"
self.assertEqual(g(request), "es")
# There isn't a main language (zh) translation of Django but there is a
# translation to variation (zh-hans) the user sets zh-hans as the
# preferred language, it should be selected without falling back nor
# ignoring it.
request = self.rf.get("/", headers={"accept-language": "de"})
request.COOKIES[settings.LANGUAGE_COOKIE_NAME] = "zh-hans"
self.assertEqual(g(request), "zh-hans")
@override_settings(
USE_I18N=True,
LANGUAGES=[
("en", "English"),
("ar-dz", "Algerian Arabic"),
("de", "German"),
("de-at", "Austrian German"),
("pt-BR", "Portuguese (Brazil)"),
],
)
def test_get_supported_language_variant_real(self):
g = trans_real.get_supported_language_variant
self.assertEqual(g("en"), "en")
self.assertEqual(g("en-gb"), "en")
self.assertEqual(g("de"), "de")
self.assertEqual(g("de-at"), "de-at")
self.assertEqual(g("de-ch"), "de")
self.assertEqual(g("pt-br"), "pt-br")
self.assertEqual(g("pt-BR"), "pt-BR")
self.assertEqual(g("pt"), "pt-br")
self.assertEqual(g("pt-pt"), "pt-br")
self.assertEqual(g("ar-dz"), "ar-dz")
self.assertEqual(g("ar-DZ"), "ar-DZ")
with self.assertRaises(LookupError):
g("pt", strict=True)
with self.assertRaises(LookupError):
g("pt-pt", strict=True)
with self.assertRaises(LookupError):
g("xyz")
with self.assertRaises(LookupError):
g("xy-zz")
def test_get_supported_language_variant_null(self):
g = trans_null.get_supported_language_variant
self.assertEqual(g(settings.LANGUAGE_CODE), settings.LANGUAGE_CODE)
with self.assertRaises(LookupError):
g("pt")
with self.assertRaises(LookupError):
g("de")
with self.assertRaises(LookupError):
g("de-at")
with self.assertRaises(LookupError):
g("de", strict=True)
with self.assertRaises(LookupError):
g("de-at", strict=True)
with self.assertRaises(LookupError):
g("xyz")
@override_settings(
LANGUAGES=[
("en", "English"),
("en-latn-us", "Latin English"),
("de", "German"),
("de-1996", "German, orthography of 1996"),
("de-at", "Austrian German"),
("de-ch-1901", "German, Swiss variant, traditional orthography"),
("i-mingo", "Mingo"),
("kl-tunumiit", "Tunumiisiut"),
("nan-hani-tw", "Hanji"),
("pl", "Polish"),
],
)
def test_get_language_from_path_real(self):
g = trans_real.get_language_from_path
tests = [
("/pl/", "pl"),
("/pl", "pl"),
("/xyz/", None),
("/en/", "en"),
("/en-gb/", "en"),
("/en-latn-us/", "en-latn-us"),
("/en-Latn-US/", "en-Latn-US"),
("/de/", "de"),
("/de-1996/", "de-1996"),
("/de-at/", "de-at"),
("/de-AT/", "de-AT"),
("/de-ch/", "de"),
("/de-ch-1901/", "de-ch-1901"),
("/de-simple-page-test/", None),
("/i-mingo/", "i-mingo"),
("/kl-tunumiit/", "kl-tunumiit"),
("/nan-hani-tw/", "nan-hani-tw"),
]
for path, language in tests:
with self.subTest(path=path):
self.assertEqual(g(path), language)
def test_get_language_from_path_null(self):
g = trans_null.get_language_from_path
self.assertIsNone(g("/pl/"))
self.assertIsNone(g("/pl"))
self.assertIsNone(g("/xyz/"))
def test_cache_resetting(self):
"""
After setting LANGUAGE, the cache should be cleared and languages
previously valid should not be used (#14170).
"""
g = get_language_from_request
request = self.rf.get("/", headers={"accept-language": "pt-br"})
self.assertEqual("pt-br", g(request))
with self.settings(LANGUAGES=[("en", "English")]):
self.assertNotEqual("pt-br", g(request))
def test_i18n_patterns_returns_list(self):
with override_settings(USE_I18N=False):
self.assertIsInstance(i18n_patterns([]), list)
with override_settings(USE_I18N=True):
self.assertIsInstance(i18n_patterns([]), list)
class ResolutionOrderI18NTests(SimpleTestCase):
def setUp(self):
super().setUp()
activate("de")
def tearDown(self):
deactivate()
super().tearDown()
def assertGettext(self, msgid, msgstr):
result = gettext(msgid)
self.assertIn(
msgstr,
result,
"The string '%s' isn't in the translation of '%s'; the actual result is "
"'%s'." % (msgstr, msgid, result),
)
class AppResolutionOrderI18NTests(ResolutionOrderI18NTests):
@override_settings(LANGUAGE_CODE="de")
def test_app_translation(self):
# Original translation.
self.assertGettext("Date/time", "Datum/Zeit")
# Different translation.
with self.modify_settings(INSTALLED_APPS={"append": "i18n.resolution"}):
# Force refreshing translations.
activate("de")
# Doesn't work because it's added later in the list.
self.assertGettext("Date/time", "Datum/Zeit")
with self.modify_settings(
INSTALLED_APPS={"remove": "django.contrib.admin.apps.SimpleAdminConfig"}
):
# Force refreshing translations.
activate("de")
# Unless the original is removed from the list.
self.assertGettext("Date/time", "Datum/Zeit (APP)")
@override_settings(LOCALE_PATHS=extended_locale_paths)
class LocalePathsResolutionOrderI18NTests(ResolutionOrderI18NTests):
def test_locale_paths_translation(self):
self.assertGettext("Time", "LOCALE_PATHS")
def test_locale_paths_override_app_translation(self):
with self.settings(INSTALLED_APPS=["i18n.resolution"]):
self.assertGettext("Time", "LOCALE_PATHS")
class DjangoFallbackResolutionOrderI18NTests(ResolutionOrderI18NTests):
def test_django_fallback(self):
self.assertEqual(gettext("Date/time"), "Datum/Zeit")
@override_settings(INSTALLED_APPS=["i18n.territorial_fallback"])
class TranslationFallbackI18NTests(ResolutionOrderI18NTests):
def test_sparse_territory_catalog(self):
"""
Untranslated strings for territorial language variants use the
translations of the generic language. In this case, the de-de
translation falls back to de.
"""
with translation.override("de-de"):
self.assertGettext("Test 1 (en)", "(de-de)")
self.assertGettext("Test 2 (en)", "(de)")
class TestModels(TestCase):
def test_lazy(self):
tm = TestModel()
tm.save()
def test_safestr(self):
c = Company(cents_paid=12, products_delivered=1)
c.name = SafeString("Iñtërnâtiônàlizætiøn1")
c.save()
class TestLanguageInfo(SimpleTestCase):
def test_localized_language_info(self):
li = get_language_info("de")
self.assertEqual(li["code"], "de")
self.assertEqual(li["name_local"], "Deutsch")
self.assertEqual(li["name"], "German")
self.assertIs(li["bidi"], False)
def test_unknown_language_code(self):
with self.assertRaisesMessage(KeyError, "Unknown language code xx"):
get_language_info("xx")
with translation.override("xx"):
# A language with no translation catalogs should fallback to the
# untranslated string.
self.assertEqual(gettext("Title"), "Title")
def test_unknown_only_country_code(self):
li = get_language_info("de-xx")
self.assertEqual(li["code"], "de")
self.assertEqual(li["name_local"], "Deutsch")
self.assertEqual(li["name"], "German")
self.assertIs(li["bidi"], False)
def test_unknown_language_code_and_country_code(self):
with self.assertRaisesMessage(KeyError, "Unknown language code xx-xx and xx"):
get_language_info("xx-xx")
def test_fallback_language_code(self):
"""
get_language_info return the first fallback language info if the lang_info
struct does not contain the 'name' key.
"""
li = get_language_info("zh-my")
self.assertEqual(li["code"], "zh-hans")
li = get_language_info("zh-hans")
self.assertEqual(li["code"], "zh-hans")
@override_settings(
USE_I18N=True,
LANGUAGES=[
("en", "English"),
("fr", "French"),
],
MIDDLEWARE=[
"django.middleware.locale.LocaleMiddleware",
"django.middleware.common.CommonMiddleware",
],
ROOT_URLCONF="i18n.urls",
)
class LocaleMiddlewareTests(TestCase):
def test_streaming_response(self):
# Regression test for #5241
response = self.client.get("/fr/streaming/")
self.assertContains(response, "Oui/Non")
response = self.client.get("/en/streaming/")
self.assertContains(response, "Yes/No")
@override_settings(
USE_I18N=True,
LANGUAGES=[
("en", "English"),
("de", "German"),
("fr", "French"),
],
MIDDLEWARE=[
"django.middleware.locale.LocaleMiddleware",
"django.middleware.common.CommonMiddleware",
],
ROOT_URLCONF="i18n.urls_default_unprefixed",
LANGUAGE_CODE="en",
)
class UnprefixedDefaultLanguageTests(SimpleTestCase):
def test_default_lang_without_prefix(self):
"""
With i18n_patterns(..., prefix_default_language=False), the default
language (settings.LANGUAGE_CODE) should be accessible without a prefix.
"""
response = self.client.get("/simple/")
self.assertEqual(response.content, b"Yes")
def test_other_lang_with_prefix(self):
response = self.client.get("/fr/simple/")
self.assertEqual(response.content, b"Oui")
def test_unprefixed_language_with_accept_language(self):
"""'Accept-Language' is respected."""
response = self.client.get("/simple/", headers={"accept-language": "fr"})
self.assertRedirects(response, "/fr/simple/")
def test_unprefixed_language_with_cookie_language(self):
"""A language set in the cookies is respected."""
self.client.cookies.load({settings.LANGUAGE_COOKIE_NAME: "fr"})
response = self.client.get("/simple/")
self.assertRedirects(response, "/fr/simple/")
def test_unprefixed_language_with_non_valid_language(self):
response = self.client.get("/simple/", headers={"accept-language": "fi"})
self.assertEqual(response.content, b"Yes")
self.client.cookies.load({settings.LANGUAGE_COOKIE_NAME: "fi"})
response = self.client.get("/simple/")
self.assertEqual(response.content, b"Yes")
def test_page_with_dash(self):
# A page starting with /de* shouldn't match the 'de' language code.
response = self.client.get("/de-simple-page-test/")
self.assertEqual(response.content, b"Yes")
def test_no_redirect_on_404(self):
"""
A request for a nonexistent URL shouldn't cause a redirect to
// when prefix_default_language=False and
// has a URL match (#27402).
"""
# A match for /group1/group2/ must exist for this to act as a
# regression test.
response = self.client.get("/group1/group2/")
self.assertEqual(response.status_code, 200)
response = self.client.get("/nonexistent/")
self.assertEqual(response.status_code, 404)
@override_settings(
USE_I18N=True,
LANGUAGES=[
("bg", "Bulgarian"),
("en-us", "English"),
("pt-br", "Portuguese (Brazil)"),
],
MIDDLEWARE=[
"django.middleware.locale.LocaleMiddleware",
"django.middleware.common.CommonMiddleware",
],
ROOT_URLCONF="i18n.urls",
)
class CountrySpecificLanguageTests(SimpleTestCase):
rf = RequestFactory()
def test_check_for_language(self):
self.assertTrue(check_for_language("en"))
self.assertTrue(check_for_language("en-us"))
self.assertTrue(check_for_language("en-US"))
self.assertFalse(check_for_language("en_US"))
self.assertTrue(check_for_language("be"))
self.assertTrue(check_for_language("be@latin"))
self.assertTrue(check_for_language("sr-RS@latin"))
self.assertTrue(check_for_language("sr-RS@12345"))
self.assertFalse(check_for_language("en-ü"))
self.assertFalse(check_for_language("en\x00"))
self.assertFalse(check_for_language(None))
self.assertFalse(check_for_language("be@ "))
# Specifying encoding is not supported (Django enforces UTF-8)
self.assertFalse(check_for_language("tr-TR.UTF-8"))
self.assertFalse(check_for_language("tr-TR.UTF8"))
self.assertFalse(check_for_language("de-DE.utf-8"))
def test_check_for_language_null(self):
self.assertIs(trans_null.check_for_language("en"), True)
def test_get_language_from_request(self):
# issue 19919
request = self.rf.get(
"/", headers={"accept-language": "en-US,en;q=0.8,bg;q=0.6,ru;q=0.4"}
)
lang = get_language_from_request(request)
self.assertEqual("en-us", lang)
request = self.rf.get(
"/", headers={"accept-language": "bg-bg,en-US;q=0.8,en;q=0.6,ru;q=0.4"}
)
lang = get_language_from_request(request)
self.assertEqual("bg", lang)
def test_get_language_from_request_null(self):
lang = trans_null.get_language_from_request(None)
self.assertEqual(lang, None)
def test_specific_language_codes(self):
# issue 11915
request = self.rf.get(
"/", headers={"accept-language": "pt,en-US;q=0.8,en;q=0.6,ru;q=0.4"}
)
lang = get_language_from_request(request)
self.assertEqual("pt-br", lang)
request = self.rf.get(
"/", headers={"accept-language": "pt-pt,en-US;q=0.8,en;q=0.6,ru;q=0.4"}
)
lang = get_language_from_request(request)
self.assertEqual("pt-br", lang)
class TranslationFilesMissing(SimpleTestCase):
def setUp(self):
super().setUp()
self.gettext_find_builtin = gettext_module.find
def tearDown(self):
gettext_module.find = self.gettext_find_builtin
super().tearDown()
def patchGettextFind(self):
gettext_module.find = lambda *args, **kw: None
def test_failure_finding_default_mo_files(self):
"""OSError is raised if the default language is unparseable."""
self.patchGettextFind()
trans_real._translations = {}
with self.assertRaises(OSError):
activate("en")
class NonDjangoLanguageTests(SimpleTestCase):
"""
A language non present in default Django languages can still be
installed/used by a Django project.
"""
@override_settings(
USE_I18N=True,
LANGUAGES=[
("en-us", "English"),
("xxx", "Somelanguage"),
],
LANGUAGE_CODE="xxx",
LOCALE_PATHS=[os.path.join(here, "commands", "locale")],
)
def test_non_django_language(self):
self.assertEqual(get_language(), "xxx")
self.assertEqual(gettext("year"), "reay")
@override_settings(USE_I18N=True)
def test_check_for_language(self):
with tempfile.TemporaryDirectory() as app_dir:
os.makedirs(os.path.join(app_dir, "locale", "dummy_Lang", "LC_MESSAGES"))
open(
os.path.join(
app_dir, "locale", "dummy_Lang", "LC_MESSAGES", "django.mo"
),
"w",
).close()
app_config = AppConfig("dummy_app", AppModuleStub(__path__=[app_dir]))
with mock.patch(
"django.apps.apps.get_app_configs", return_value=[app_config]
):
self.assertIs(check_for_language("dummy-lang"), True)
@override_settings(
USE_I18N=True,
LANGUAGES=[
("en-us", "English"),
# xyz language has no locale files
("xyz", "XYZ"),
],
)
@translation.override("xyz")
def test_plural_non_django_language(self):
self.assertEqual(get_language(), "xyz")
self.assertEqual(ngettext("year", "years", 2), "years")
@override_settings(USE_I18N=True)
class WatchForTranslationChangesTests(SimpleTestCase):
@override_settings(USE_I18N=False)
def test_i18n_disabled(self):
mocked_sender = mock.MagicMock()
watch_for_translation_changes(mocked_sender)
mocked_sender.watch_dir.assert_not_called()
def test_i18n_enabled(self):
mocked_sender = mock.MagicMock()
watch_for_translation_changes(mocked_sender)
self.assertGreater(mocked_sender.watch_dir.call_count, 1)
def test_i18n_locale_paths(self):
mocked_sender = mock.MagicMock()
with tempfile.TemporaryDirectory() as app_dir:
with self.settings(LOCALE_PATHS=[app_dir]):
watch_for_translation_changes(mocked_sender)
mocked_sender.watch_dir.assert_any_call(Path(app_dir), "**/*.mo")
def test_i18n_app_dirs(self):
mocked_sender = mock.MagicMock()
with self.settings(INSTALLED_APPS=["i18n.sampleproject"]):
watch_for_translation_changes(mocked_sender)
project_dir = Path(__file__).parent / "sampleproject" / "locale"
mocked_sender.watch_dir.assert_any_call(project_dir, "**/*.mo")
def test_i18n_app_dirs_ignore_django_apps(self):
mocked_sender = mock.MagicMock()
with self.settings(INSTALLED_APPS=["django.contrib.admin"]):
watch_for_translation_changes(mocked_sender)
mocked_sender.watch_dir.assert_called_once_with(Path("locale"), "**/*.mo")
def test_i18n_local_locale(self):
mocked_sender = mock.MagicMock()
watch_for_translation_changes(mocked_sender)
locale_dir = Path(__file__).parent / "locale"
mocked_sender.watch_dir.assert_any_call(locale_dir, "**/*.mo")
class TranslationFileChangedTests(SimpleTestCase):
def setUp(self):
self.gettext_translations = gettext_module._translations.copy()
self.trans_real_translations = trans_real._translations.copy()
def tearDown(self):
gettext._translations = self.gettext_translations
trans_real._translations = self.trans_real_translations
def test_ignores_non_mo_files(self):
gettext_module._translations = {"foo": "bar"}
path = Path("test.py")
self.assertIsNone(translation_file_changed(None, path))
self.assertEqual(gettext_module._translations, {"foo": "bar"})
def test_resets_cache_with_mo_files(self):
gettext_module._translations = {"foo": "bar"}
trans_real._translations = {"foo": "bar"}
trans_real._default = 1
trans_real._active = False
path = Path("test.mo")
self.assertIs(translation_file_changed(None, path), True)
self.assertEqual(gettext_module._translations, {})
self.assertEqual(trans_real._translations, {})
self.assertIsNone(trans_real._default)
self.assertIsInstance(trans_real._active, Local)
class UtilsTests(SimpleTestCase):
def test_round_away_from_one(self):
tests = [
(0, 0),
(0.0, 0),
(0.25, 0),
(0.5, 0),
(0.75, 0),
(1, 1),
(1.0, 1),
(1.25, 2),
(1.5, 2),
(1.75, 2),
(-0.0, 0),
(-0.25, -1),
(-0.5, -1),
(-0.75, -1),
(-1, -1),
(-1.0, -1),
(-1.25, -2),
(-1.5, -2),
(-1.75, -2),
]
for value, expected in tests:
with self.subTest(value=value):
self.assertEqual(round_away_from_one(value), expected)