text: from django.test import TestCase
  from .models import Location,Picture,Category
  
  # Create your tests here.    
  class CategoryTestClass(TestCase):
      def setUp(self):
          '''
          Method to be run in every beginning of the test
          '''
          self.sports= Category(category='sport')
  
      def test_instance(self):
          self.assertTrue(isinstance(self.sports,Category))
  
      def tearDown(self):
          '''
          Method to clear the test that has been done on category
          '''
          Category.objects.all().delete()
  
      def test_save_method(self):
          '''
          Method to save category
          
          '''
          self.sports.save_category()
          category = Category.objects.all()
          self.assertTrue(len(category)>0)
  
      def test_delete_method(self):
          '''
          Method to delete the category
          '''
          self.sports.delete_category('sports')
          category = Category.objects.all()
          self.assertTrue(len(category)==0)
  
  class LocationTestClass(TestCase):
  
      #set up method
      def setUp(self):
          '''
          Method to be run in every beginning of the test
          '''
          self.nairobi= Location(location='nairobi')
  
      def test_instance(self):
          self.assertTrue(isinstance(self.nairobi,Location))
  
      def tearDown(self):
          '''
          Method to clear the test that has been done on location
          '''
          Location.objects.all().delete()
  
      def test_save_method(self):
          '''
          Method to save the location
          
          '''
          self.nairobi.save_location()
          locations = Location.objects.all()
          self.assertTrue(len(locations)>0)
  
      def test_delete_method(self):
          '''
          Method to delete the location
          
          '''
          self.nairobi.delete_location('nairobi')
          locations = Location.objects.all()
          self.assertTrue(len(locations)==0)
  