Home | History | Annotate | Download | only in training
      1 # Copyright 2016 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 """Tests for tensorflow.python.training.saver.py."""
     16 
     17 from __future__ import absolute_import
     18 from __future__ import division
     19 from __future__ import print_function
     20 
     21 import os
     22 
     23 from tensorflow.python.client import session
     24 from tensorflow.python.framework import constant_op
     25 from tensorflow.python.framework import dtypes
     26 from tensorflow.python.framework import ops
     27 from tensorflow.python.ops import partitioned_variables
     28 from tensorflow.python.ops import variables
     29 from tensorflow.python.platform import test
     30 from tensorflow.python.training import saver
     31 
     32 
     33 class SaverLargePartitionedVariableTest(test.TestCase):
     34 
     35   # Need to do this in a separate test because of the amount of memory needed
     36   # to run this test.
     37   def testLargePartitionedVariables(self):
     38     save_path = os.path.join(self.get_temp_dir(), "large_variable")
     39     var_name = "my_var"
     40     # Saving large partition variable.
     41     with session.Session("", graph=ops.Graph()) as sess:
     42       with ops.device("/cpu:0"):
     43         # Create a partitioned variable which is larger than int32 size but
     44         # split into smaller sized variables.
     45         init = lambda shape, dtype, partition_info: constant_op.constant(
     46             True, dtype, shape)
     47         partitioned_var = partitioned_variables.create_partitioned_variables(
     48             [1 << 31], [4], init, dtype=dtypes.bool, name=var_name)
     49         variables.global_variables_initializer().run()
     50         save = saver.Saver(partitioned_var)
     51         val = save.save(sess, save_path)
     52         self.assertEqual(save_path, val)
     53 
     54 
     55 if __name__ == "__main__":
     56   test.main()
     57