import os from django import conf from django.contrib import admin from django.test import TestCase, override_settings from django.utils.autoreload import gen_filenames 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'))