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# ----------------------------------------------------------------------------
# Copyright (c) 2013--, scikit-bio development team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
# ----------------------------------------------------------------------------
import unittest
import io
from skbio.io.format.emptyfile import _empty_file_sniffer
class TestEmptyFile(unittest.TestCase):
def test_empty(self):
res, kw = _empty_file_sniffer(io.StringIO())
self.assertTrue(res)
self.assertEqual({}, kw)
res, kw = _empty_file_sniffer(io.StringIO(" \n \t "))
self.assertTrue(res)
self.assertEqual({}, kw)
def test_not_empty(self):
res, kw = _empty_file_sniffer(io.StringIO("a"))
self.assertFalse(res)
self.assertEqual({}, kw)
res, kw = _empty_file_sniffer(io.StringIO(" \n \ta"))
self.assertFalse(res)
self.assertEqual({}, kw)
if __name__ == '__main__':
unittest.main()
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