text: from unittest import skipIf
  
  from django.test import TestCase
  
  from gdpr.anonymizers.gis import ExperimentalGISPointFieldAnonymizer, is_gis_installed
  
  
  class TestGISPointFieldAnonymizer(TestCase):
      @classmethod
      def setUpTestData(cls):
          cls.field = ExperimentalGISPointFieldAnonymizer(max_x_range=100, max_y_range=100)
          cls.encryption_key = 'LoremIpsumDolorSitAmet'
  
      @skipIf(not is_gis_installed(), 'Django GIS not available.')
      def test_point_base(self):
          from django.contrib.gis.geos import Point
  
          point = Point(1, 1)
          out = self.field.get_encrypted_value(point, self.encryption_key)
  
          self.assertNotEqual(point.tuple, out.tuple)
  
          out_decrypted = self.field.get_decrypted_value(out, self.encryption_key)
  
          self.assertTupleEqual(point.tuple, out_decrypted.tuple)
  