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# -*- coding: utf-8 -*-
# Copyright 2015 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 tensorflow.python.ops.io_ops."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import tempfile
import tensorflow as tf
class IoOpsTest(tf.test.TestCase):
def testReadFile(self):
cases = ['', 'Some contents', 'Неки садржаји на српском']
for contents in cases:
contents = tf.compat.as_bytes(contents)
with tempfile.NamedTemporaryFile(prefix='ReadFileTest',
dir=self.get_temp_dir(),
delete=False) as temp:
temp.write(contents)
with self.test_session():
read = tf.read_file(temp.name)
self.assertEqual([], read.get_shape())
self.assertEqual(read.eval(), contents)
os.remove(temp.name)
def testWriteFile(self):
cases = ['', 'Some contents']
for contents in cases:
contents = tf.compat.as_bytes(contents)
with tempfile.NamedTemporaryFile(prefix='WriteFileTest',
dir=self.get_temp_dir(),
delete=False) as temp:
pass
with self.test_session() as sess:
w = tf.write_file(temp.name, contents)
sess.run(w)
with open(temp.name, 'rb') as f:
file_contents = f.read()
self.assertEqual(file_contents, contents)
os.remove(temp.name)
def _subset(self, files, indices):
return set(tf.compat.as_bytes(files[i].name)
for i in range(len(files)) if i in indices)
def testMatchingFiles(self):
cases = ['ABcDEF.GH', 'ABzDEF.GH', 'ABasdfjklDEF.GH', 'AB3DEF.GH',
'AB4DEF.GH', 'ABDEF.GH', 'XYZ']
files = [tempfile.NamedTemporaryFile(
prefix=c, dir=self.get_temp_dir(), delete=True) for c in cases]
with self.test_session():
# Test exact match without wildcards.
for f in files:
self.assertEqual(tf.matching_files(f.name).eval(),
tf.compat.as_bytes(f.name))
# We will look for files matching "ABxDEF.GH*" where "x" is some wildcard.
pos = files[0].name.find(cases[0])
pattern = files[0].name[:pos] + 'AB%sDEF.GH*'
self.assertEqual(set(tf.matching_files(pattern % 'z').eval()),
self._subset(files, [1]))
self.assertEqual(set(tf.matching_files(pattern % '?').eval()),
self._subset(files, [0, 1, 3, 4]))
self.assertEqual(set(tf.matching_files(pattern % '*').eval()),
self._subset(files, [0, 1, 2, 3, 4, 5]))
# NOTE(mrry): Windows uses PathMatchSpec to match file patterns, which
# does not support the following expressions.
if os.name != 'nt':
self.assertEqual(set(tf.matching_files(pattern % '[cxz]').eval()),
self._subset(files, [0, 1]))
self.assertEqual(set(tf.matching_files(pattern % '[0-9]').eval()),
self._subset(files, [3, 4]))
for f in files:
f.close()
if __name__ == '__main__':
tf.test.main()
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