text: from __future__ import absolute_import, division, print_function, with_statement
  
  import os
  import tornado.locale
  from tornado.escape import utf8
  from tornado.test.util import unittest
  from tornado.util import u, unicode_type
  
  
  class TranslationLoaderTest(unittest.TestCase):
      # TODO: less hacky way to get isolated tests
      SAVE_VARS = ['_translations', '_supported_locales', '_use_gettext']
  
      def clear_locale_cache(self):
          if hasattr(tornado.locale.Locale, '_cache'):
              del tornado.locale.Locale._cache
  
      def setUp(self):
          self.saved = {}
          for var in TranslationLoaderTest.SAVE_VARS:
              self.saved[var] = getattr(tornado.locale, var)
          self.clear_locale_cache()
  
      def tearDown(self):
          for k, v in self.saved.items():
              setattr(tornado.locale, k, v)
          self.clear_locale_cache()
  
      def test_csv(self):
          tornado.locale.load_translations(
              os.path.join(os.path.dirname(__file__), 'csv_translations'))
          locale = tornado.locale.get("fr_FR")
          self.assertTrue(isinstance(locale, tornado.locale.CSVLocale))
          self.assertEqual(locale.translate("school"), u("\u00e9cole"))
  
      def test_gettext(self):
          tornado.locale.load_gettext_translations(
              os.path.join(os.path.dirname(__file__), 'gettext_translations'),
              "tornado_test")
          locale = tornado.locale.get("fr_FR")
          self.assertTrue(isinstance(locale, tornado.locale.GettextLocale))
          self.assertEqual(locale.translate("school"), u("\u00e9cole"))
  
  
  class LocaleDataTest(unittest.TestCase):
      def test_non_ascii_name(self):
          name = tornado.locale.LOCALE_NAMES['es_LA']['name']
          self.assertTrue(isinstance(name, unicode_type))
          self.assertEqual(name, u('Espa\u00f1ol'))
          self.assertEqual(utf8(name), b'Espa\xc3\xb1ol')
  