new_contents: from django.test import TestCase
  from complaints.models import Building
  
  
  class BuildingTestCase(TestCase):
      """ Tests for the Building model.
      """
      def setUp(self):
          self.b1_name = 'The University of Toronto',
          self.b1_civic_address = '27 King\'s College Circle',
          self.b1_city = 'Toronto',
          self.b1_province = 'Ontario',
          self.b1_latitude = 43.6611024,
          self.b1_longitude = -79.39592909999999
  
          self.b2_name = '#32 27 King\'s College Circle',
  
          Building.objects.create(
              name=self.b1_name,
              civic_address=self.b1_civic_address,
              city=self.b1_city,
              province=self.b1_province,
              latitude=self.b1_latitude,
              longitude=self.b1_longitude,
          )
  
          Building.objects.create(
              name=self.b2_name,
              civic_address=self.b1_civic_address,
              city=self.b1_city,
              province=self.b1_province,
              latitude=self.b1_latitude,
              longitude=self.b1_longitude,
          )
  
      def test_existence(self):
          """
          Test if building exists in the database.
  
          """
          building = Building.objects.get(id=1)
  
          self.assertTrue(building)
          self.assertEqual(self.b1_name, building.name)
          self.assertEqual(self.b1_civic_address, building.civic_address)
          self.assertEqual(self.b1_city, building.city)
          self.assertEqual(self.b1_province, building.province)
          self.assertEqual(self.b1_latitude, building.latitude)
          self.assertEqual(self.b1_longitude, building.longitude)
  
      def test_valid_slug_simple(self):
          """
          Test if slug fits pattern.
  
          """
          building = Building.objects.get(id=1)
          expected = 'the-university-of-toronto'
  
          self.assertEqual(expected, building.slug)
  
      def test_valid_slug_complex(self):
          """
          Test if slug of name with symbols fits pattern.
  
          """
          building = Building.objects.get(id=2)
          expected = '32-27-kings-college-circle'
  
          self.assertEqual(expected, building.slug)
  
      def test_absolute_url_simple(self):
          """
          Test if URL of building fits pattern.
  
          """
          building = Building.objects.get(id=1)
          expected = '/building/1/the-university-of-toronto/'
  
          self.assertEqual(expected, building.get_absolute_url())
  
      def test_absolute_url_complex(self):
          """
          Test if URL of building that is not first and has more complicated name
          fits pattern.
  
          """
          building = Building.objects.get(id=2)
          expected = '/building/2/32-27-kings-college-circle/'
  
          self.assertEqual(expected, building.get_absolute_url())
  
subject: Add tests for Building model