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"""Tests for tensorflow.python.ops.io_ops."""
# -*- coding: utf-8 -*-
import tempfile
import tensorflow.python.platform
import tensorflow as tf
class IoOpsTest(tf.test.TestCase):
def testReadFile(self):
cases = ['', 'Some contents', 'Неки садржаји на српском']
for contents in cases:
temp = tempfile.NamedTemporaryFile(prefix='ReadFileTest')
open(temp.name, 'wb').write(contents)
with self.test_session():
read = tf.read_file(temp.name)
self.assertEqual([], read.get_shape())
self.assertEqual(read.eval(), contents)
def _subset(self, files, indices):
return set([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) 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(), 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]))
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]))
if __name__ == '__main__':
tf.test.main()
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