code: def testFromTensor(self):
      zero = constant_op.constant(0)
      spec = tensor.TensorSpec.from_tensor(zero)
      self.assertEqual(spec.dtype, dtypes.int32)
      self.assertEqual(spec.shape, [])
      # Tensor.name is meaningless when eager execution is enabled.
      if not context.executing_eagerly():
          self.assertEqual(spec.name, "Const")
  
imports: import pickle
  from absl.testing import parameterized
  import numpy
  from tensorflow.core.framework import full_type_pb2
  from tensorflow.core.function import trace_type
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework import type_spec
  from tensorflow.python.framework.type_utils import fulltypes_for_flat_tensors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 10 for calling the TensorSpecTest obj's underlying member method code with example usage: obj.testFromTensor() without return types