# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.## 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.from__future__importprint_functionimportunittestimportpaddle.fluidasfluidfrompaddle.fluid.communicatorimportCommunicatorclassTestCommunicator(unittest.TestCase):deftest_communicator_init_and_start(self):prog=fluid.Program()comm=Communicator(prog)comm.start()comm.stop()if__name__=='__main__':unittest.main()