text: """
  Copyright 2020 The OneFlow 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.
  """
  
  import os
  import unittest
  
  import numpy as np
  
  import oneflow
  import oneflow as flow
  import oneflow._oneflow_internal
  import oneflow._oneflow_internal._C as _C
  import oneflow.framework.c_api_util as c_api_util
  import oneflow.framework.session_context as session_ctx
  import oneflow.unittest
  from oneflow.framework.multi_client_session import MultiClientSession
  
  
  @flow.unittest.skip_unless_1n1d()
  class TestFeedInputTensor(unittest.TestCase):
      def test_feed_input_tensor(test_case):
          test_case.assertTrue(oneflow.env.is_multi_client())
          test_case.assertTrue(oneflow.framework.env_util.HasAllMultiClientEnvVars())
          x = flow.Tensor(1, 1, 10, 10)
          flow.nn.init.uniform_(x, a=-1.0, b=1.0)
          session = session_ctx.GetDefaultSession()
          test_case.assertTrue(isinstance(session, MultiClientSession))
          session.TryInit()
          with oneflow._oneflow_internal.lazy_mode.guard(True):
              oneflow._oneflow_internal.JobBuildAndInferCtx_Open(
                  "cc_test_input_op_expr_job"
              )
              job_conf = (
                  oneflow._oneflow_internal.oneflow.core.job.job_conf.JobConfigProto()
              )
              job_conf.set_job_name("cc_test_input_op_expr_job")
              job_conf.mutable_predict_conf()
              c_api_util.CurJobBuildAndInferCtx_SetJobConf(job_conf)
              op_name = "cc_Input_0"
              input_conf = (
                  oneflow._oneflow_internal.oneflow.core.operator.op_conf.FeedInputOpConf()
              )
              input_conf.set_in_0("EagerTensorInput")
              input_conf.set_out_0("out_0")
              input_op = oneflow._oneflow_internal.one.FeedInputOpExpr(
                  op_name, input_conf, ["in_0"], ["out_0"]
              )
              attrs = oneflow._oneflow_internal.MutableCfgAttrMap()
              out_tensor = _C.dispatch_feed_input(input_op, x)
              test_case.assertEqual(out_tensor.shape, (1, 1, 10, 10))
              test_case.assertTrue(out_tensor.is_lazy)
              test_case.assertTrue(out_tensor.is_local)
              oneflow._oneflow_internal.JobBuildAndInferCtx_Close()
  
  
  if __name__ == "__main__":
      unittest.main()
  