134 lines
5.4 KiB
Python
134 lines
5.4 KiB
Python
# Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""Tests for distributed_file_utils."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import os
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from tensorflow.python.distribute import distributed_file_utils
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from tensorflow.python.eager import test
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class DistributedFileUtilsTest(test.TestCase):
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class MockedExtended(object):
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pass
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class MockedChiefStrategy(object):
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def __init__(self):
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self.extended = DistributedFileUtilsTest.MockedExtended()
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self.extended._in_multi_worker_mode = lambda: True
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self.extended.should_checkpoint = True
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class MockedWorkerStrategy(object):
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def __init__(self):
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self.extended = DistributedFileUtilsTest.MockedExtended()
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self.extended._in_multi_worker_mode = lambda: True
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self.extended.should_checkpoint = False
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self.extended._task_id = 3
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class MockedSingleWorkerStrategy(object):
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def __init__(self):
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self.extended = DistributedFileUtilsTest.MockedExtended()
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self.extended._in_multi_worker_mode = lambda: False
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def _write_dummy_file(self, file_to_write):
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with open(file_to_write, 'w') as f:
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f.write('foo bar')
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def testChiefWriteDirAndFilePath(self):
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dirpath = self.get_temp_dir()
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filepath = os.path.join(dirpath, 'foo.bar')
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strategy = DistributedFileUtilsTest.MockedChiefStrategy()
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self.assertEqual(
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distributed_file_utils.write_filepath(filepath, strategy), filepath)
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self.assertEqual(
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distributed_file_utils.write_dirpath(dirpath, strategy), dirpath)
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def testWorkerWriteDirAndFilePath(self):
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dirpath = self.get_temp_dir()
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filepath = os.path.join(dirpath, 'foo.bar')
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strategy = DistributedFileUtilsTest.MockedWorkerStrategy()
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self.assertEqual(
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distributed_file_utils.write_filepath(filepath, strategy),
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os.path.join(dirpath, 'workertemp_3', 'foo.bar'))
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self.assertEqual(
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distributed_file_utils.write_dirpath(dirpath, strategy),
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os.path.join(dirpath, 'workertemp_3'))
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def testChiefDoesNotRemoveDirAndFilePath(self):
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temp_dir = self.get_temp_dir()
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strategy = DistributedFileUtilsTest.MockedChiefStrategy()
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dir_to_write = distributed_file_utils.write_dirpath(temp_dir, strategy)
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file_to_write = os.path.join(dir_to_write, 'tmp')
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self.assertFalse(os.path.exists(file_to_write))
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self._write_dummy_file(file_to_write)
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self.assertTrue(os.path.exists(file_to_write))
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distributed_file_utils.remove_temp_dir_with_filepath(
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file_to_write, strategy)
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self.assertTrue(os.path.exists(file_to_write))
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def testWorkerDoesRemoveFilePath(self):
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temp_dir = self.get_temp_dir()
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strategy = DistributedFileUtilsTest.MockedWorkerStrategy()
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dir_to_write = distributed_file_utils.write_dirpath(temp_dir, strategy)
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file_to_write = os.path.join(dir_to_write, 'tmp')
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self.assertFalse(os.path.exists(file_to_write))
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self._write_dummy_file(file_to_write)
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self.assertTrue(os.path.exists(file_to_write))
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distributed_file_utils.remove_temp_dir_with_filepath(
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file_to_write, strategy)
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self.assertFalse(os.path.exists(file_to_write))
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def testWorkerDoesRemoveDirPath(self):
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temp_dir = self.get_temp_dir()
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strategy = DistributedFileUtilsTest.MockedWorkerStrategy()
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dir_to_write = distributed_file_utils.write_dirpath(temp_dir, strategy)
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file_to_write = os.path.join(dir_to_write, 'tmp')
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self.assertFalse(os.path.exists(file_to_write))
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self._write_dummy_file(file_to_write)
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self.assertTrue(os.path.exists(file_to_write))
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distributed_file_utils.remove_temp_dirpath(temp_dir, strategy)
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self.assertFalse(os.path.exists(file_to_write))
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self.assertFalse(os.path.exists(os.path.dirname(file_to_write)))
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def testMultipleRemoveOrigDirPathIsFine(self):
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temp_dir = self.get_temp_dir()
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strategy = DistributedFileUtilsTest.MockedWorkerStrategy()
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dir_to_write = distributed_file_utils.write_dirpath(temp_dir, strategy)
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file_to_write = os.path.join(dir_to_write, 'tmp')
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self._write_dummy_file(file_to_write)
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distributed_file_utils.remove_temp_dirpath(temp_dir, strategy)
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distributed_file_utils.remove_temp_dirpath(temp_dir, strategy)
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distributed_file_utils.remove_temp_dirpath(temp_dir, strategy)
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def testMultipleRemoveDirToWritePathIsFine(self):
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temp_dir = self.get_temp_dir()
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strategy = DistributedFileUtilsTest.MockedWorkerStrategy()
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dir_to_write = distributed_file_utils.write_dirpath(temp_dir, strategy)
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file_to_write = os.path.join(dir_to_write, 'tmp')
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self._write_dummy_file(file_to_write)
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distributed_file_utils.remove_temp_dirpath(dir_to_write, strategy)
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distributed_file_utils.remove_temp_dirpath(dir_to_write, strategy)
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distributed_file_utils.remove_temp_dirpath(dir_to_write, strategy)
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if __name__ == '__main__':
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test.main()
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