code: def testConstructorWithShapes(self):
      with ops.Graph().as_default():
          b = data_flow_ops.Barrier(
              (dtypes.float32, dtypes.float32),
              shapes=((1, 2, 3), (8,)),
              shared_name="B",
              name="B",
          )
      self.assertTrue(isinstance(b.barrier_ref, tensor.Tensor))
      self.assertProtoEquals(
          """
        name:'B' op:'Barrier'
        attr {
          key: "capacity"
          value {
            i: -1
          }
        }
        attr { key: 'component_types'
               value { list { type: DT_FLOAT type: DT_FLOAT } } }
        attr {
          key: 'shapes'
          value {
            list {
              shape {
                dim { size: 1 } dim { size: 2 } dim { size: 3 }
              }
              shape {
                dim { size: 8 }
              }
            }
          }
        }
        attr { key: 'container' value { s: "" } }
        attr { key: 'shared_name' value: { s: 'B' } }
        """,
          b.barrier_ref.op.node_def,
      )
  
imports: import time
  import numpy
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import data_flow_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the BarrierTest obj's underlying member method code with example usage: obj.testConstructorWithShapes() without return types