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)
def testSettingConfiguration(self):
""" Test that setting configuration to different values has effect. """
s = Size(64, GiB)
s.set_str_config(StrConfig(strip=False))
prev = str(s)
s.set_str_config(StrConfig(strip=True))
subs = str(s)
self.assertTrue(subs != prev)
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)
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)
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)
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)
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)
def testStrWithSmallDeviations(self):
""" Behavior when deviation from whole value is small. """
Size.set_str_config(StrConfig(strip=True))
eps = Decimal(1024)/100/2 # 1/2 of 1% of 1024
# deviation is less than 1/2 of 1% of 1024
s = Size(16384 - (eps - 1))
self.assertEqual(str(s), "16 KiB")
# deviation is greater than 1/2 of 1% of 1024
s = Size(16384 - (eps + 1))
self.assertEqual(str(s), "15.99 KiB")
# deviation is greater than 1/2 of 1% of 1024
s = Size(16384 + (eps + 1))
self.assertEqual(str(s), "16.01 KiB")
# deviation is less than 1/2 of 1% of 1024
s = Size(16384 + (eps - 1))
self.assertEqual(str(s), "16 KiB")
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 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)
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)
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 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)
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 testNeg(self):
size1 = Size("1 KiB")
self.assertEqual(-1024, -size1)
size1 = Size("-1 KiB")
self.assertEqual(1024, -size1)
def testAbs(self):
size1 = Size("1 GiB")
self.assertEqual(size1, abs(size1))
size2 = Size("-2 GiB")
self.assertEqual(size2, -1 * abs(size2))
def testBool(self):
size1 = Size("1 GiB")
size2 = Size(0)
self.assertTrue(size1)
self.assertFalse(size2)
def uploaded(self):
return Size(int(self._dictionary['uploaded']))
def downloaded(self):
return Size(int(self._dictionary['downloaded']))
def testSIUnits(self):
""" Test binary_units param. """
s = Size(1000)
self.assertEqual(s.components(binary_units=False), (1, KB))
def testExceptionValues(self):
""" Test that exceptions are properly raised on bad params. """
s = Size(500)
with self.assertRaises(SizeValueError):
s.components(min_value=-1)
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 testRMethods(self):
""" Test certain r* methods. These methods must be invoked
explicitly, rather than by means of an operator, in order
to be executed. Otherwise, their companion non-R method
will be invoked instead.
"""
s = Size(2, GiB)
# rtruediv, retains fractional quantities
self.assertEqual(s.__rtruediv__(s), Fraction(1))
with self.assertRaises(SizeNonsensicalOpError):
s.__rtruediv__("str") # pylint: disable=pointless-statement
# rdivmod
self.assertEqual(
Size(16, MiB).__rdivmod__(Size(24, MiB)),
(1, Size(8, MiB))
)
with self.assertRaises(SizeNonsensicalOpError):
divmod(s.__rdivmod__("str"))
# // rfloordiv
self.assertEqual(s.__rfloordiv__(s), 1)
with self.assertRaises(SizeNonsensicalOpError):
s.__rfloordiv__("str") # pylint: disable=pointless-statement
# rmod
self.assertEqual(s.__rmod__(s), Size(0))
with self.assertRaises(SizeNonsensicalOpError):
s.__rmod__("str") # pylint: disable=expression-not-assigned, pointless-statement
# rsub
self.assertEqual(s.__rsub__(s), Size(0))
with self.assertRaises(SizeNonsensicalOpError):
s.__rsub__(2) # pylint: disable=pointless-statement
def download(self):
return Size(self._dictionary['Download'])
def testMinValue(self):
""" Test behavior on min_value parameter. """
s = Size(9, MiB)
self.assertEqual(s.components(), (Fraction(9, 1), MiB))
self.assertEqual(s.components(min_value=10), (Fraction(9216, 1), KiB))
s = Size("0.5", GiB)
self.assertEqual(s.components(min_value=1), (Fraction(512, 1), MiB))
self.assertEqual(
s.components(min_value=Decimal("0.1")),
(Fraction(1, 2), GiB)
)
self.assertEqual(
s.components(min_value=Decimal(1)),
(Fraction(512, 1), MiB)
)
# when min_value is 10 and single digit on left of decimal, display
# with smaller unit.
s = Size('7.18', KiB)
self.assertEqual(s.components(min_value=10)[1], B)
s = Size('9.68', TiB)
self.assertEqual(s.components(min_value=10)[1], GiB)
s = Size('4.29', MiB)
self.assertEqual(s.components(min_value=10)[1], KiB)
# when min value is 100 and two digits on left of decimal
s = Size('14', MiB)
self.assertEqual(
s.components(min_value=100),
(Fraction(14 * 1024, 1), KiB)
)
def testStrConfigs(self):
""" Test str with various configuration options. """
Size.set_str_config(StrConfig(strip=True))
# exactly 4 Pi
s = Size(0x10000000000000)
self.assertEqual(str(s), "4 PiB")
s = Size(300, MiB)
self.assertEqual(str(s), "300 MiB")
s = Size('12.6998', TiB)
self.assertEqual(str(s), "12.7 TiB")
# byte values close to multiples of 2 are shown without trailing zeros
s = Size(0xff)
self.assertEqual(str(s), "255 B")
# a fractional quantity is shown if the value deviates
# from the whole number of units by more than 1%
s = Size(16384 - (Decimal(1024)/100 + 1))
self.assertEqual(str(s), "15.99 KiB")
# test a very large quantity with no associated abbreviation or prefix
s = Size(1024**9)
self.assertEqual(str(s), "1024 YiB")
s = Size(1024**9 - 1)
self.assertEqual(str(s), "1024 YiB")
s = Size(1024**10)
self.assertEqual(str(s), "1048576 YiB")
s = Size(0xfffffffffffff)
self.assertEqual(str(s), "4 PiB")
s = Size(0xffff)
# value is not exactly 64 KiB, but w/ 2 places, value is 64.00 KiB
# so the trailing 0s are stripped.
self.assertEqual(str(s), "64 KiB")
Size.set_str_config(StrConfig(max_places=3, strip=True))
s = Size('23.7874', TiB)
self.assertEqual(str(s), "23.787 TiB")
Size.set_str_config(StrConfig(min_value=10, strip=True))
s = Size(8193)
self.assertEqual(str(s), ("8193 B"))
# if max_places is set to None, all digits are displayed
Size.set_str_config(StrConfig(max_places=None, strip=True))
s = Size(0xfffffffffffff)
self.assertEqual(str(s), "3.9999999999999991118215803 PiB")
s = Size(0x10000)
self.assertEqual(str(s), ("64 KiB"))
s = Size(0x10001)
self.assertEqual(str(s), "64.0009765625 KiB")
Size.set_str_config(StrConfig(strip=False))
s = Size(1024**9 + 1)
self.assertEqual(str(s), "1024.00 YiB")
s = Size(0xfffff)
self.assertEqual(str(s), "1024.00 KiB")
def testDeepCopy(self):
size1 = Size("1 GiB")
size2 = copy.deepcopy(size1)
self.assertIsNot(size1, size2)
self.assertEqual(size1, size2)
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)
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)
def tearDown(self):
""" Reset configuration to default. """
Size.set_str_config(Defaults.STR_CONFIG)
def size(self):
return Size(int(self._dictionary["Size"]))
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)
def testNegative(self):
""" Test construction of negative sizes. """
s = Size(-500, MiB)
self.assertEqual(s.components(), (Fraction(-500, 1), MiB))
self.assertEqual(s.convertTo(B), -524288000)
def testRoundingToBytes(self):
""" Test that second part is B when rounding to bytes. """
s = Size(500)
self.assertEqual(s.components()[1], B)
def size(self):
return Size(int(self._dictionary['Size']))
def upload(self):
return Size(self._dictionary['Upload'])
