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#!/usr/bin/python
__author__ = "Barry Warsaw <barry@ubuntu.com>, James Hunt, Michael Vogt"
import sys
import unittest
import apt_pkg
if sys.version_info[0] == 2 and sys.version_info[1] == 6:
from unittest2 import TestCase
else:
from unittest import TestCase
class SizeToStrTestCase(TestCase):
"""Test apt_pkg.size_to_str"""
DATA = {
# XXX: note the trailing spaces for some of these entries!
10 ** 1 : "10 ",
10 ** 2 : "100 ",
10 ** 3 : "1000 ",
10 ** 4 : "10.0 k",
10 ** 5 : "100 k",
10 ** 6 : "1000 k",
10 ** 7 : "10.0 M",
10 ** 8 : "100 M",
10 ** 9 : "1000 M",
10 ** 10 : "10.0 G",
10 ** 11 : "100 G",
10 ** 12 : "1000 G",
10 ** 13 : "10.0 T",
10 ** 14 : "100 T",
10 ** 15 : "1000 T",
10 ** 16 : "10.0 P",
10 ** 17 : "100 P",
10 ** 18 : "1000 P",
10 ** 19 : "10.0 E",
10 ** 20 : "100 E",
10 ** 21 : "1000 E",
10 ** 22 : "10.0 Z",
10 ** 23 : "100.0 Z",
10 ** 24 : "1000 Z",
# 10 ** 25 : "10.0 Y",
10 ** 26 : "100 Y",
10 ** 27 : "1000 Y",
# That's our limit :)
10 ** 28 : "10000 Y",
0 : "0 ",
1 : "1 ",
1024 : "1024 ",
10240 : "10.2 k",
102400 : "102 k",
1024000 : "1024 k",
10240000 : "10.2 M",
102400000 : "102 M",
2147483647 : "2147 M",
2147483648 : "2147 M",
1024000000 : "1024 M",
10240000000 : "10.2 G",
9 : "9 ",
99 : "99 ",
999 : "999 ",
9999 : "9999 ",
99999 : "100.0 k",
999999 : "1000 k",
9999999 : "10000 k",
99999999 : "100.0 M",
999999999 : "1000 M",
9999999999 : "10000 M",
99999999999 : "100.0 G",
999999999999 : "1000 G",
9999999999999 : "10000 G",
99999999999999 : "100.0 T",
999999999999999 : "1000 T",
9999999999999999 : "10.0 P",
99999999999999999 : "100 P",
999999999999999999 : "1000 P",
9999999999999999999 : "10.0 E",
99999999999999999999 : "100 E",
999999999999999999999 : "1000 E",
9999999999999999999999 : "10.0 Z",
999999999999999999999999 : "1000 Z",
}
def test_from_data(self):
for k, v in self.DATA.items():
size = apt_pkg.size_to_str(k)
msg = "size_to_str(%s) returned '%s', expected '%s'" % (k, size, v)
self.assertEqual(size, v, msg)
def test_raise_on_unsupported(self):
for v in ["hello", None, {}, [], ()]:
with self.assertRaises(TypeError):
apt_pkg.size_to_str(v)
class RegressionTestCase(unittest.TestCase):
"""Regression test for LP: #1030278"""
def test_no_overflow_error(self):
# LP: #1030278 produces an overflow error in size_to_str() with a big
# value under Python 3.
self.assertEqual(apt_pkg.size_to_str(2147483648000000000000), '2147 E')
if __name__ == "__main__":
unittest.main()
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