text: import warnings
  
  from django.contrib.localflavor.cz.forms import (CZPostalCodeField,
      CZRegionSelect, CZBirthNumberField, CZICNumberField)
  
  from django.core.exceptions import ValidationError
  from django.test import SimpleTestCase
  
  
  class CZLocalFlavorTests(SimpleTestCase):
      def setUp(self):
          self.save_warnings_state()
          warnings.filterwarnings(
              "ignore",
              category=DeprecationWarning,
              module='django.contrib.localflavor.cz.forms'
          )
  
      def tearDown(self):
          self.restore_warnings_state()
  
      def test_CZRegionSelect(self):
          f = CZRegionSelect()
          out = u'''<select name="regions">
  <option value="PR">Prague</option>
  <option value="CE">Central Bohemian Region</option>
  <option value="SO">South Bohemian Region</option>
  <option value="PI">Pilsen Region</option>
  <option value="CA">Carlsbad Region</option>
  <option value="US">Usti Region</option>
  <option value="LB">Liberec Region</option>
  <option value="HK">Hradec Region</option>
  <option value="PA">Pardubice Region</option>
  <option value="VY">Vysocina Region</option>
  <option value="SM">South Moravian Region</option>
  <option value="OL">Olomouc Region</option>
  <option value="ZL">Zlin Region</option>
  <option value="MS">Moravian-Silesian Region</option>
  </select>'''
          self.assertEqual(f.render('regions', 'TT'), out)
  
      def test_CZPostalCodeField(self):
          error_format = [u'Enter a postal code in the format XXXXX or XXX XX.']
          valid = {
              '91909': '91909',
              '917 01': '91701',
              '12345': '12345',
          }
          invalid = {
              '84545x': error_format,
              '123456': error_format,
              '1234': error_format,
              '123 4': error_format,
          }
          self.assertFieldOutput(CZPostalCodeField, valid, invalid)
  
      def test_CZBirthNumberField(self):
          error_format = [u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.']
          error_invalid = [u'Enter a valid birth number.']
          valid = {
              '880523/1237': '880523/1237',
              '8805231237': '8805231237',
              '880523/000': '880523/000',
              '880523000': '880523000',
              '882101/0011': '882101/0011',
          }
          invalid = {
              '123456/12': error_format,
              '123456/12345': error_format,
              '12345612': error_format,
              '12345612345': error_format,
              '880523/1239': error_invalid,
              '8805231239': error_invalid,
              '990101/0011': error_invalid,
          }
          self.assertFieldOutput(CZBirthNumberField, valid, invalid)
  
          # These tests should go away in 1.4.
          # http://code.djangoproject.com/ticket/14593
          f = CZBirthNumberField()
          self.assertEqual(f.clean('880523/1237', 'm'), '880523/1237'),
          self.assertEqual(f.clean('885523/1231', 'f'), '885523/1231')
          self.assertRaisesRegexp(ValidationError, unicode(error_invalid),
              f.clean, '881523/0000', 'm')
          self.assertRaisesRegexp(ValidationError, unicode(error_invalid),
              f.clean, '885223/0000', 'm')
          self.assertRaisesRegexp(ValidationError, unicode(error_invalid),
              f.clean, '881523/0000', 'f')
          self.assertRaisesRegexp(ValidationError, unicode(error_invalid),
              f.clean, '885223/0000', 'f')
  
      def test_CZICNumberField(self):
          error_invalid = [u'Enter a valid IC number.']
          valid ={
              '12345679': '12345679',
              '12345601': '12345601',
              '12345661': '12345661',
              '12345610': '12345610',
          }
          invalid = {
              '1234567': error_invalid,
              '12345660': error_invalid,
              '12345600': error_invalid,
          }
          self.assertFieldOutput(CZICNumberField, valid, invalid)
  