1 # Copyright 2018 The TensorFlow Authors. All Rights Reserved. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 # ============================================================================= 15 16 """Tests for topology.py.""" 17 18 from __future__ import absolute_import 19 from __future__ import division 20 from __future__ import print_function 21 22 from tensorflow.python.platform import test 23 from tensorflow.python.tpu import topology 24 25 26 class TopologyTest(test.TestCase): 27 28 def testSerialization(self): 29 """Tests if the class is able to generate serialized strings.""" 30 original_topology = topology.Topology( 31 mesh_shape=[1, 1, 2], 32 device_coordinates=[[[0, 0, 0], [0, 0, 1]]], 33 ) 34 serialized_str = original_topology.serialized() 35 new_topology = topology.Topology(serialized=serialized_str) 36 37 # Make sure the topology recovered from serialized str is same as the 38 # original topology. 39 self.assertAllEqual( 40 original_topology.mesh_shape, new_topology.mesh_shape) 41 self.assertAllEqual( 42 original_topology.device_coordinates, new_topology.device_coordinates) 43 44 if __name__ == "__main__": 45 test.main() 46