text: from unittest.mock import patch
  
  from ddt import ddt
  from django.test import tag
  
  from api.serializers import MetadataLedgerSerializer
  
  from .test_setup import TestSetUp
  
  
  @tag('unit')
  @ddt
  class SerializerTests(TestSetUp):
  
      def test_MetadataLedgerSerializer_validate(self):
          """Test to check validation in metadata serializer"""
          with patch('core.management.utils.xss_client'
                     '.get_required_recommended_fields_for_validation') as \
                  mock_validate_list, \
                  patch('core.management.utils.xss_client.'
                        'get_target_validation_schema',
                        return_value=self.target_data_dict), \
                  patch('core.management.utils.xss_client.read_json_data',
                        return_value=None):
              mock_validate_list.return_value = self.required_dict, \
                                                self.recommended_dict
              return_obj = MetadataLedgerSerializer.\
                  validate(self, self.metadataLedger_data_valid)
              self.assertTrue(return_obj.get('metadata_validation_status'))
              self.assertTrue(return_obj.get('record_status'))
              self.assertTrue(return_obj.get('date_validated'))
  