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#!/usr/bin/python2
#
# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for format_utils.py."""
import unittest
from update_payload import format_utils
class NumToPercentTest(unittest.TestCase):
""" Tests number conversion to percentage format."""
def testHundredPercent(self):
self.assertEqual(format_utils.NumToPercent(1, 1), '100%')
def testOverHundredPercent(self):
self.assertEqual(format_utils.NumToPercent(5, 2), '250%')
def testWholePercent(self):
self.assertEqual(format_utils.NumToPercent(3, 10), '30%')
def testDefaultMinPrecision(self):
self.assertEqual(format_utils.NumToPercent(3, 9), '33.3%')
self.assertEqual(format_utils.NumToPercent(3, 900), '0.3%')
def testDefaultMaxPrecision(self):
self.assertEqual(format_utils.NumToPercent(3, 9000000), '0.00003%')
self.assertEqual(format_utils.NumToPercent(3, 90000000), '0%')
def testCustomMinPrecision(self):
self.assertEqual(format_utils.NumToPercent(3, 9, min_precision=3),
'33.333%')
self.assertEqual(format_utils.NumToPercent(3, 9, min_precision=0),
'33%')
def testCustomMaxPrecision(self):
self.assertEqual(format_utils.NumToPercent(3, 900, max_precision=1),
'0.3%')
self.assertEqual(format_utils.NumToPercent(3, 9000, max_precision=1),
'0%')
class BytesToHumanReadableTest(unittest.TestCase):
""" Tests number conversion to human readable format."""
def testBaseTwo(self):
self.assertEqual(format_utils.BytesToHumanReadable(0x1000), '4 KiB')
self.assertEqual(format_utils.BytesToHumanReadable(0x400000), '4 MiB')
self.assertEqual(format_utils.BytesToHumanReadable(0x100000000), '4 GiB')
self.assertEqual(format_utils.BytesToHumanReadable(0x40000000000), '4 TiB')
def testDecimal(self):
self.assertEqual(format_utils.BytesToHumanReadable(5000, decimal=True),
'5 kB')
self.assertEqual(format_utils.BytesToHumanReadable(5000000, decimal=True),
'5 MB')
self.assertEqual(format_utils.BytesToHumanReadable(5000000000,
decimal=True),
'5 GB')
def testDefaultPrecision(self):
self.assertEqual(format_utils.BytesToHumanReadable(5000), '4.8 KiB')
self.assertEqual(format_utils.BytesToHumanReadable(500000), '488.2 KiB')
self.assertEqual(format_utils.BytesToHumanReadable(5000000), '4.7 MiB')
def testCustomPrecision(self):
self.assertEqual(format_utils.BytesToHumanReadable(5000, precision=3),
'4.882 KiB')
self.assertEqual(format_utils.BytesToHumanReadable(500000, precision=0),
'488 KiB')
self.assertEqual(format_utils.BytesToHumanReadable(5000000, precision=5),
'4.76837 MiB')
if __name__ == '__main__':
unittest.main()
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