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import gettext as gettext_module
import os
import stat
import unittest
from io import StringIO
from subprocess import Popen
from unittest import mock
from django.core.management import (
CommandError, call_command, execute_from_command_line,
)
from django.core.management.commands.makemessages import (
Command as MakeMessagesCommand,
)
from django.core.management.utils import find_command
from django.test import SimpleTestCase, override_settings
from django.test.utils import captured_stderr, captured_stdout
from django.utils import translation
from django.utils.translation import gettext
from .utils import RunInTmpDirMixin, copytree
has_msgfmt = find_command('msgfmt')
@unittest.skipUnless(has_msgfmt, 'msgfmt is mandatory for compilation tests')
class MessageCompilationTests(RunInTmpDirMixin, SimpleTestCase):
work_subdir = 'commands'
class PoFileTests(MessageCompilationTests):
LOCALE = 'es_AR'
MO_FILE = 'locale/%s/LC_MESSAGES/django.mo' % LOCALE
def test_bom_rejection(self):
stderr = StringIO()
with self.assertRaisesMessage(CommandError, 'compilemessages generated one or more errors.'):
call_command('compilemessages', locale=[self.LOCALE], stdout=StringIO(), stderr=stderr)
self.assertIn('file has a BOM (Byte Order Mark)', stderr.getvalue())
self.assertFalse(os.path.exists(self.MO_FILE))
def test_no_write_access(self):
mo_file_en = 'locale/en/LC_MESSAGES/django.mo'
err_buffer = StringIO()
# put file in read-only mode
old_mode = os.stat(mo_file_en).st_mode
os.chmod(mo_file_en, stat.S_IREAD)
try:
with self.assertRaisesMessage(CommandError, 'compilemessages generated one or more errors.'):
call_command('compilemessages', locale=['en'], stderr=err_buffer, verbosity=0)
self.assertIn('not writable location', err_buffer.getvalue())
finally:
os.chmod(mo_file_en, old_mode)
class PoFileContentsTests(MessageCompilationTests):
# Ticket #11240
LOCALE = 'fr'
MO_FILE = 'locale/%s/LC_MESSAGES/django.mo' % LOCALE
def test_percent_symbol_in_po_file(self):
call_command('compilemessages', locale=[self.LOCALE], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE))
class MultipleLocaleCompilationTests(MessageCompilationTests):
MO_FILE_HR = None
MO_FILE_FR = None
def setUp(self):
super().setUp()
localedir = os.path.join(self.test_dir, 'locale')
self.MO_FILE_HR = os.path.join(localedir, 'hr/LC_MESSAGES/django.mo')
self.MO_FILE_FR = os.path.join(localedir, 'fr/LC_MESSAGES/django.mo')
def test_one_locale(self):
with override_settings(LOCALE_PATHS=[os.path.join(self.test_dir, 'locale')]):
call_command('compilemessages', locale=['hr'], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE_HR))
def test_multiple_locales(self):
with override_settings(LOCALE_PATHS=[os.path.join(self.test_dir, 'locale')]):
call_command('compilemessages', locale=['hr', 'fr'], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE_HR))
self.assertTrue(os.path.exists(self.MO_FILE_FR))
class ExcludedLocaleCompilationTests(MessageCompilationTests):
work_subdir = 'exclude'
MO_FILE = 'locale/%s/LC_MESSAGES/django.mo'
def setUp(self):
super().setUp()
copytree('canned_locale', 'locale')
def test_command_help(self):
with captured_stdout(), captured_stderr():
# `call_command` bypasses the parser; by calling
# `execute_from_command_line` with the help subcommand we
# ensure that there are no issues with the parser itself.
execute_from_command_line(['django-admin', 'help', 'compilemessages'])
def test_one_locale_excluded(self):
call_command('compilemessages', exclude=['it'], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE % 'en'))
self.assertTrue(os.path.exists(self.MO_FILE % 'fr'))
self.assertFalse(os.path.exists(self.MO_FILE % 'it'))
def test_multiple_locales_excluded(self):
call_command('compilemessages', exclude=['it', 'fr'], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE % 'en'))
self.assertFalse(os.path.exists(self.MO_FILE % 'fr'))
self.assertFalse(os.path.exists(self.MO_FILE % 'it'))
def test_one_locale_excluded_with_locale(self):
call_command('compilemessages', locale=['en', 'fr'], exclude=['fr'], stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE % 'en'))
self.assertFalse(os.path.exists(self.MO_FILE % 'fr'))
self.assertFalse(os.path.exists(self.MO_FILE % 'it'))
def test_multiple_locales_excluded_with_locale(self):
call_command('compilemessages', locale=['en', 'fr', 'it'], exclude=['fr', 'it'],
stdout=StringIO())
self.assertTrue(os.path.exists(self.MO_FILE % 'en'))
self.assertFalse(os.path.exists(self.MO_FILE % 'fr'))
self.assertFalse(os.path.exists(self.MO_FILE % 'it'))
class CompilationErrorHandling(MessageCompilationTests):
def test_error_reported_by_msgfmt(self):
# po file contains wrong po formatting.
with self.assertRaises(CommandError):
call_command('compilemessages', locale=['ja'], verbosity=0, stderr=StringIO())
def test_msgfmt_error_including_non_ascii(self):
# po file contains invalid msgstr content (triggers non-ascii error content).
# Make sure the output of msgfmt is unaffected by the current locale.
env = os.environ.copy()
env.update({'LANG': 'C'})
with mock.patch('django.core.management.utils.Popen', lambda *args, **kwargs: Popen(*args, env=env, **kwargs)):
cmd = MakeMessagesCommand()
if cmd.gettext_version < (0, 18, 3):
self.skipTest("python-brace-format is a recent gettext addition.")
stderr = StringIO()
with self.assertRaisesMessage(CommandError, 'compilemessages generated one or more errors'):
call_command('compilemessages', locale=['ko'], stdout=StringIO(), stderr=stderr)
self.assertIn("' cannot start a field name", stderr.getvalue())
class ProjectAndAppTests(MessageCompilationTests):
LOCALE = 'ru'
PROJECT_MO_FILE = 'locale/%s/LC_MESSAGES/django.mo' % LOCALE
APP_MO_FILE = 'app_with_locale/locale/%s/LC_MESSAGES/django.mo' % LOCALE
class FuzzyTranslationTest(ProjectAndAppTests):
def setUp(self):
super().setUp()
gettext_module._translations = {} # flush cache or test will be useless
def test_nofuzzy_compiling(self):
with override_settings(LOCALE_PATHS=[os.path.join(self.test_dir, 'locale')]):
call_command('compilemessages', locale=[self.LOCALE], stdout=StringIO())
with translation.override(self.LOCALE):
self.assertEqual(gettext('Lenin'), 'Ленин')
self.assertEqual(gettext('Vodka'), 'Vodka')
def test_fuzzy_compiling(self):
with override_settings(LOCALE_PATHS=[os.path.join(self.test_dir, 'locale')]):
call_command('compilemessages', locale=[self.LOCALE], fuzzy=True, stdout=StringIO())
with translation.override(self.LOCALE):
self.assertEqual(gettext('Lenin'), 'Ленин')
self.assertEqual(gettext('Vodka'), 'Водка')
class AppCompilationTest(ProjectAndAppTests):
def test_app_locale_compiled(self):
call_command('compilemessages', locale=[self.LOCALE], stdout=StringIO())
self.assertTrue(os.path.exists(self.PROJECT_MO_FILE))
self.assertTrue(os.path.exists(self.APP_MO_FILE))
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