text: #
  # Copyright 2016 The BigDL 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 pytest
  from unittest import TestCase
  
  from bigdl.nano.automl.hpo.backend import OptunaBackend
  from bigdl.nano.automl.hpo.backend import SamplerType
  
  class TestHPOBackend(TestCase):
  
      def test_create_sampler(self):
          sampler = OptunaBackend.create_sampler(SamplerType.TPE,{})
          assert(sampler)
  
      def test_instantiate(self):
          #TODO
          pass
  
  
  
  if __name__ == '__main__':
      pytest.main([__file__])