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#!/usr/bin/python
#
# tests/storage/size_tests.py
# Size test cases for the pyanaconda.storage module
#
# Copyright (C) 2010 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
# Red Hat Author(s): David Cantrell <dcantrell@redhat.com>
import unittest
from pyanaconda import anaconda_log
anaconda_log.init()
from pyanaconda.storage.errors import *
from pyanaconda.storage.size import Size, _prefixes
class SizeTestCase(unittest.TestCase):
def testExceptions(self):
self.assertRaises(SizeParamsError, Size)
self.assertRaises(SizeParamsError, Size, bytes=500, spec="45GB")
self.assertRaises(SizeNotPositiveError, Size, bytes=-1)
self.assertRaises(SizeNotPositiveError, Size, spec="0")
self.assertRaises(SizeNotPositiveError, Size, spec="-1 TB")
self.assertRaises(SizeNotPositiveError, Size, spec="-47kb")
s = Size(bytes=500)
self.assertRaises(SizePlacesError, s.humanReadable, places=0)
def _prefixTestHelper(self, bytes, factor, prefix, abbr):
c = bytes * factor
s = Size(bytes=c)
self.assertEquals(s, c)
if prefix:
u = "%sbytes" % prefix
s = Size(spec="%ld %s" % (bytes, u))
self.assertEquals(s, c)
self.assertEquals(s.convertTo(spec=u), bytes)
if abbr:
u = "%sb" % abbr
s = Size(spec="%ld %s" % (bytes, u))
self.assertEquals(s, c)
self.assertEquals(s.convertTo(spec=u), bytes)
if not prefix and not abbr:
s = Size(spec="%ld" % bytes)
self.assertEquals(s, c)
self.assertEquals(s.convertTo(), bytes)
def testPrefixes(self):
bytes = 47L
self._prefixTestHelper(bytes, 1, None, None)
for factor, prefix, abbr in _prefixes:
self._prefixTestHelper(bytes, factor, prefix, abbr)
def testHumanReadable(self):
s = Size(bytes=58929971L)
self.assertEquals(s.humanReadable(), "58.9 Mb")
s = Size(bytes=478360371L)
self.assertEquals(s.humanReadable(), "0.48 Gb")
def suite():
return unittest.TestLoader().loadTestsFromTestCase(SizeTestCase)
if __name__ == "__main__":
unittest.main()
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