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#!/usr/bin/python3
__author__ = "Barry Warsaw <barry@ubuntu.com>, James Hunt, Michael Vogt"
import unittest
import apt_pkg
import testcommon
class SizeToStrTestCase(testcommon.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 = f"size_to_str({k}) returned '{size}', expected '{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(testcommon.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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