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from importlib import import_module
import os
import tempfile
from django import conf
from django.contrib import admin
from django.test import TestCase, override_settings
from django.utils.autoreload import gen_filenames
from django.utils._os import upath
LOCALE_PATH = os.path.join(os.path.dirname(__file__), 'locale')
class TestFilenameGenerator(TestCase):
def setUp(self):
# Empty cached variables
from django.utils import autoreload
autoreload._cached_modules = set()
autoreload._cached_filenames = []
def test_django_locales(self):
"""
Test that gen_filenames() also yields the built-in django locale files.
"""
filenames = list(gen_filenames())
self.assertIn(os.path.join(os.path.dirname(conf.__file__), 'locale',
'nl', 'LC_MESSAGES', 'django.mo'),
filenames)
@override_settings(LOCALE_PATHS=(LOCALE_PATH,))
def test_locale_paths_setting(self):
"""
Test that gen_filenames also yields from LOCALE_PATHS locales.
"""
filenames = list(gen_filenames())
self.assertIn(os.path.join(LOCALE_PATH, 'nl', 'LC_MESSAGES', 'django.mo'),
filenames)
@override_settings(INSTALLED_APPS=[])
def test_project_root_locale(self):
"""
Test that gen_filenames also yields from the current directory (project
root).
"""
old_cwd = os.getcwd()
os.chdir(os.path.dirname(__file__))
try:
filenames = list(gen_filenames())
self.assertIn(
os.path.join(LOCALE_PATH, 'nl', 'LC_MESSAGES', 'django.mo'),
filenames)
finally:
os.chdir(old_cwd)
@override_settings(INSTALLED_APPS=['django.contrib.admin'])
def test_app_locales(self):
"""
Test that gen_filenames also yields from locale dirs in installed apps.
"""
filenames = list(gen_filenames())
self.assertIn(os.path.join(os.path.dirname(admin.__file__), 'locale',
'nl', 'LC_MESSAGES', 'django.mo'),
filenames)
@override_settings(USE_I18N=False)
def test_no_i18n(self):
"""
If i18n machinery is disabled, there is no need for watching the
locale files.
"""
filenames = list(gen_filenames())
self.assertNotIn(
os.path.join(os.path.dirname(conf.__file__), 'locale', 'nl',
'LC_MESSAGES', 'django.mo'),
filenames)
def test_only_new_files(self):
"""
When calling a second time gen_filenames with only_new = True, only
files from newly loaded modules should be given.
"""
list(gen_filenames())
from fractions import Fraction # NOQA
filenames2 = list(gen_filenames(only_new=True))
self.assertEqual(len(filenames2), 1)
self.assertTrue(filenames2[0].endswith('fractions.py'))
self.assertFalse(any(f.endswith('.pyc') for f in gen_filenames()))
def test_deleted_removed(self):
fd, filepath = tempfile.mkstemp(dir=os.path.dirname(upath(__file__)), suffix='.py')
try:
_, filename = os.path.split(filepath)
import_module('.%s' % filename.replace('.py', ''), package='utils_tests')
self.assertIn(filepath, gen_filenames())
finally:
os.close(fd)
os.remove(filepath)
self.assertNotIn(filepath, gen_filenames())
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