text: # Copyright 2017, OpenCensus Authors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import unittest
  
  
  class TestBaseExporter(unittest.TestCase):
  
      def test_export_abstract(self):
          from opencensus.trace.exporters import base
  
          exporter = base.Exporter()
          trace = {}
  
          with self.assertRaises(NotImplementedError):
              exporter.export(trace)
  
      def test_emit_abstract(self):
          from opencensus.trace.exporters import base
  
          exporter = base.Exporter()
          trace = {}
  
          with self.assertRaises(NotImplementedError):
              exporter.emit(trace)
  