tensorflow/python/eager/run_eager_op_as_function_xla_test.py

# Copyright 2021 The TensorFlow 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.
# ==============================================================================
"""Tests for wrapping an eager op in a call op at runtime."""
from tensorflow.compiler.tests import xla_test
from tensorflow.python.eager import def_function
from tensorflow.python.eager import test
from tensorflow.python.framework import test_util
from tensorflow.python.ops import resource_variable_ops
from tensorflow.python.ops import variables


@test_util.with_eager_op_as_function(only_as_function=True)
class RunEagerOpAsFunctionXlaTest(xla_test.XLATestCase):

  def testVarCreateReadDestroy(self):
    with self.test_scope():
      var = variables.Variable(1.0)
      value = var.read_value()
      self.assertAllEqual(value, 1.0)

  def testReadVariableInFunction(self):
    with self.test_scope():
      v = resource_variable_ops.ResourceVariable(1.0)

      @def_function.function
      def f():
        return v.read_value()

      var = f()
      self.assertEqual(1.0, var.numpy())


if __name__ == "__main__":
  test.main()