| # Lint as: python3 |
| # Copyright 2019 Google LLC |
| # |
| # 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 |
| # |
| # https://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 pyiree import tf_test_utils |
| import tensorflow.compat.v2 as tf |
| |
| |
| class Stateful(tf.Module): |
| |
| def __init__(self): |
| super(Stateful, self).__init__() |
| self.counter = tf.Variable(0.0) |
| |
| @tf.function(input_signature=[tf.TensorSpec([], tf.float32)]) |
| def inc_by(self, x): |
| self.counter.assign(self.counter + x) |
| |
| @tf.function(input_signature=[]) |
| def get_state(self): |
| return self.counter |
| |
| |
| @tf_test_utils.compile_modules(stateful=Stateful) |
| class StatefulTest(tf_test_utils.SavedModelTestCase): |
| |
| def test_stateful(self): |
| m = self.modules.stateful.all |
| m.inc_by(tf.constant(1.)) |
| m.get_state().print().assert_all_close() |
| |
| |
| if __name__ == "__main__": |
| if hasattr(tf, "enable_v2_behavior"): |
| tf.enable_v2_behavior() |
| tf.test.main() |
