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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import unittest
import copy
import locale
import ctypes
from decimal import Decimal
from locale_utils import get_avail_locales, requires_locales
from bytesize import Size, ROUND_UP, ROUND_DOWN, KiB
class SizeTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
unittest.TestCase.setUpClass()
cls.avail_locales = get_avail_locales()
@requires_locales({'en_US.utf8'})
def setUp(self):
locale.setlocale(locale.LC_ALL,'en_US.utf8')
self.addCleanup(self._clean_up)
def _clean_up(self):
locale.setlocale(locale.LC_ALL,'en_US.utf8')
# test operator functions
def testOperatorPlus(self):
result = Size("1000 B") + Size("100 B")
actual = result.get_bytes()
expected = 1100
self.assertEqual(actual, expected)
result = Size("1000 B") + 10
actual = result.get_bytes()
expected = 1010
self.assertEqual(actual, expected)
result = 10 + Size("1000 B")
actual = result.get_bytes()
expected = 1010
self.assertEqual(actual, expected)
size1 = Size("100 B")
size1 += Size("100 B")
actual = size1.get_bytes()
expected = 200
self.assertEqual(actual, expected)
size1 = Size("100 B")
size1 += 100
actual = size1.get_bytes()
expected = 200
self.assertEqual(actual, expected)
# TODO shouldn't be the result int?
int1 = 10
int1 += Size("100 B")
actual = int1.get_bytes()
expected = 110
self.assertEqual(actual, expected)
size1 = Size("100 B") + None
self.assertEqual(size1.get_bytes(), 100)
#enddef
def testOperatorMinus(self):
result = Size("1000 B") - Size("100 B")
actual = result.get_bytes()
expected = 900
self.assertEqual(actual, expected)
result = Size("1000 B") - 10
actual = result.get_bytes()
expected = 990
self.assertEqual(actual, expected)
result = 10 - Size("100 B")
actual = result.get_bytes()
expected = -90
self.assertEqual(actual, expected)
size1 = Size("100 B")
size1 -= Size("10 B")
actual = size1.get_bytes()
expected = 90
self.assertEqual(actual, expected)
size1 = Size("100 B")
size1 -= 10
actual = size1.get_bytes()
expected = 90
self.assertEqual(actual, expected)
# TODO shouldn't be the result int?
int1 = 1000
int1 -= Size("100 B")
actual = int1.get_bytes()
expected = 900
self.assertEqual(actual, expected)
size1 = Size("100 B") - None
self.assertEqual(size1.get_bytes(), 100)
#enddef
def testOperatorMul(self):
result = Size("4 B") * 3
actual = result.get_bytes()
expected = 12
self.assertEqual(actual, expected)
result = 3 * Size("4 B")
actual = result.get_bytes()
expected = 12
self.assertEqual(actual, expected)
size1 = Size("4 B")
size1 *= 3
actual = size1.get_bytes()
expected = 12
self.assertEqual(actual, expected)
int1 = 4
int1 *= Size("3 B")
actual = int1.get_bytes()
expected = 12
self.assertEqual(actual, expected)
#enddef
def testOperatorDiv(self):
actual = Size("100 B") / Size("10 B")
expected = Decimal("10")
self.assertEqual(actual, expected)
actual = Size("120 B") / Size("100 B")
expected = Decimal("1.2")
self.assertEqual(actual, expected)
actual = Size("120 B") // Size("100 B")
expected = Decimal("1")
self.assertEqual(actual, expected)
actual = Size("128 EiB") // Size("64 EiB")
expected = 2
self.assertEqual(actual, expected)
actual = Size("100 B") / 10
expected = Decimal("10")
self.assertEqual(actual, expected)
actual = Size("120 B") / 100
expected = Decimal("1.2")
self.assertEqual(actual, expected)
actual = Size("128 EiB") // 2
expected = Size("64 EiB")
self.assertEqual(actual, expected)
result = Size("120 B") // 100
actual = result.get_bytes()
expected = 1
self.assertEqual(actual, expected)
size1 = Size("120 B")
size1 /= Size("100 B")
actual = size1
expected = Decimal("1.2")
self.assertEqual(actual, expected)
size1 = Size("120 B")
size1 /= 100
actual = size1
expected = Decimal("1.2")
self.assertEqual(actual, expected)
size1 = Size("120 B")
size1 //= Size("100 B")
actual = size1
expected = Decimal("1")
self.assertEqual(actual, expected)
#enddef
def testDivMod(self):
size1 = Size("120 B")
q, mod = divmod(size1, Size("100 B"))
self.assertEqual(q, 1)
self.assertEqual(mod, Size("20 B"))
size1 = Size("250 MiB")
q, mod = divmod(size1, Size("100 MiB"))
self.assertEqual(q, 2)
self.assertEqual(mod, Size("50 MiB"))
size1 = Size("10 GiB") + Size("5 GiB")
q, mod = divmod(size1, 7)
self.assertEqual(q, 2300875337)
self.assertEqual(mod, 1)
def testEquality(self):
size1 = Size("1 GiB")
size2 = Size("2 GiB")
self.assertTrue(size1 == size1)
self.assertTrue(size2 == size2)
self.assertFalse(size1 == size2)
self.assertFalse(size2 == size1)
self.assertFalse(size1 == None)
self.assertFalse(size1 == 0)
size3 = Size(0)
self.assertTrue(size3 == 0)
#enddef
def testCompare(self):
size1 = Size("1 GiB")
size2 = Size("2 GiB")
self.assertTrue(size2 > size1)
self.assertFalse(size1 > size2)
self.assertTrue(size2 >= size1)
self.assertFalse(size1 >= size2)
self.assertTrue(size1 >= size1)
self.assertFalse(size2 < size1)
self.assertTrue(size1 < size2)
self.assertFalse(size2 <= size1)
self.assertTrue(size1 <= size2)
self.assertTrue(size1 <= size1)
self.assertTrue(size1 > None)
self.assertTrue(size1 >= None)
self.assertFalse(size1 < None)
self.assertFalse(size1 <= None)
self.assertFalse(size1 == None)
self.assertTrue(size1 != None)
size3 = Size(0)
self.assertTrue(size3 > None)
self.assertFalse(size3 < None)
self.assertTrue(size3 != None)
#enddef
def testBool(self):
size1 = Size("1 GiB")
size2 = Size(0)
self.assertTrue(size1)
self.assertFalse(size2)
#enddef
def testInt(self):
# just to make sure Size can be correctly interpreted as int in python 3.10
ctypes.c_int(Size("1 GiB"))
def testAbs(self):
size1 = Size("1 GiB")
self.assertEqual(size1, abs(size1))
size2 = Size("-2 GiB")
self.assertEqual(size2, -1 * abs(size2))
def testNeg(self):
size1 = Size("1 KiB")
self.assertEqual(-1024, -size1)
size1 = Size("-1 KiB")
self.assertEqual(1024, -size1)
def testDeepCopy(self):
size1 = Size("1 GiB")
size2 = copy.deepcopy(size1)
self.assertIsNot(size1, size2)
self.assertEqual(size1, size2)
def testHashable(self):
size = Size("1 KiB")
hs = hash(size)
self.assertIsNotNone(hs)
size_set = set((Size("1 KiB"), Size("1 KiB"), Size("1 KiB"), Size("2 KiB"), Size(0)))
self.assertEqual(len(size_set), 3)
@requires_locales({'cs_CZ.UTF-8', 'ps_AF.UTF-8', 'en_US.UTF-8'})
def testConvertTo(self):
size = Size("1.5 KiB")
conv = size.convert_to("KiB")
self.assertEqual(conv, Decimal("1.5"))
locale.setlocale(locale.LC_ALL,'cs_CZ.UTF-8')
size = Size("1.5 KiB")
conv = size.convert_to("KiB")
self.assertEqual(conv, Decimal("1.5"))
# this persian locale uses a two-byte unicode character for the radix
locale.setlocale(locale.LC_ALL, 'ps_AF.UTF-8')
size = Size("1.5 KiB")
conv = size.convert_to("KiB")
self.assertEqual(conv, Decimal("1.5"))
locale.setlocale(locale.LC_ALL,'en_US.UTF-8')
def testRoundToNearest(self):
size = Size("1.5 KiB")
conv = size.round_to_nearest(Size("1 KiB"), rounding=ROUND_UP)
self.assertEqual(conv, Size("2 KiB"))
conv = size.round_to_nearest(KiB, rounding=ROUND_DOWN)
self.assertEqual(conv, Size("1 KiB"))
with self.assertRaises(ValueError):
size.round_to_nearest(-1, rounding=ROUND_UP)
#endclass
# script entry point
if __name__=='__main__':
unittest.main()
#endif
|
