code: def get_assessments(self):
          
          # Implemented from template for
          # osid.resource.ResourceLookupSession.get_resources
          # NOTE: This implementation currently ignores plenary view
          collection = JSONClientValidated('assessment',
                                           collection='Assessment',
                                           runtime=self._runtime)
          result = collection.find(self._view_filter()).sort('_id', DESCENDING)
          return objects.AssessmentList(result, runtime=self._runtime, proxy=self._proxy)
docs: Gets all ``Assessments``.
  
          In plenary mode, the returned list contains all known
          assessments or an error results. Otherwise, the returned list
          may contain only those assessments that are accessible through
          this session.
  
          return: (osid.assessment.AssessmentList) - a list of
                  ``Assessments``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure occurred
          *compliance: mandatory -- This method must be implemented.*