def testWhiteSpace(self):
self.assertEqual(size.parseSpec("1 KiB "), Decimal(1024))
self.assertEqual(size.parseSpec(" 1 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec(" 1KiB"), Decimal(1024))
self.assertEqual(size.parseSpec(" 1e+0KiB"), Decimal(1024))
with self.assertRaises(ValueError):
size.parseSpec("1 KiB just a lot of stray characters")
with self.assertRaises(ValueError):
size.parseSpec("just 1 KiB")
def testScientificNotation(self):
self.assertEqual(size.parseSpec("1e+0 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("1e-0 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("1e-1 KB"), Decimal(100))
self.assertEqual(size.parseSpec("1E-4KB"), Decimal("0.1"))
self.assertEqual(Size("1E-10KB"), Size(0))
with self.assertRaises(ValueError):
# this is an exponent w/out a base
size.parseSpec("e+0")
def testParseSpec(self):
""" Tests for parseSpec(). """
for lang in self.TEST_LANGS:
os.environ['LANG'] = lang
locale.setlocale(locale.LC_ALL, '')
# Test parsing English spec in foreign locales
self.assertEqual(size.parseSpec("1 kibibytes"), Decimal(1024))
self.assertEqual(size.parseSpec("2 kibibyte"), Decimal(2048))
self.assertEqual(size.parseSpec("2 kilobyte"), Decimal(2000))
self.assertEqual(size.parseSpec("2 kilobytes"), Decimal(2000))
self.assertEqual(size.parseSpec("2 KB"), Decimal(2000))
self.assertEqual(size.parseSpec("2 K"), Decimal(2048))
self.assertEqual(size.parseSpec("2 k"), Decimal(2048))
self.assertEqual(size.parseSpec("2 Ki"), Decimal(2048))
self.assertEqual(size.parseSpec("2 g"), Decimal(2 * 1024 ** 3))
self.assertEqual(size.parseSpec("2 G"), Decimal(2 * 1024 ** 3))
# Test parsing foreign spec
self.assertEqual(size.parseSpec("1 %s%s" % (_("kibi"), _("bytes"))), Decimal(1024))
# Can't parse a valueless number
with self.assertRaises(ValueError):
size.parseSpec("Ki")
self.assertEqual(size.parseSpec("2 %s" % _("K")), Decimal(2048))
self.assertEqual(size.parseSpec("2 %s" % _("Ki")), Decimal(2048))
self.assertEqual(size.parseSpec("2 %s" % _("g")), Decimal(2 * 1024 ** 3))
self.assertEqual(size.parseSpec("2 %s" % _("G")), Decimal(2 * 1024 ** 3))
def testLeadingZero(self):
self.assertEqual(size.parseSpec("001 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("1e+01"), Decimal(10))
def testFloatingPointStr(self):
self.assertEqual(size.parseSpec("1.5e+0 KiB"), Decimal(1536))
self.assertEqual(size.parseSpec("0.0"), Decimal(0))
self.assertEqual(size.parseSpec("0.9 KiB"), Decimal("921.6"))
self.assertEqual(size.parseSpec("1.5 KiB"), Decimal(1536))
self.assertEqual(size.parseSpec("0.5 KiB"), Decimal(512))
self.assertEqual(size.parseSpec(".5 KiB"), Decimal(512))
self.assertEqual(size.parseSpec("1. KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("-1. KiB"), Decimal(-1024))
self.assertEqual(size.parseSpec("+1. KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("+1.0000000e+0 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("+.5 KiB"), Decimal(512))
with self.assertRaises(ValueError):
# this is a fragment of an arithmetic expression
size.parseSpec("+ 1 KiB")
with self.assertRaises(ValueError):
# this is a fragment of an arithmetic expression
size.parseSpec("- 1 KiB")
with self.assertRaises(ValueError):
# this is a lonely .
size.parseSpec(". KiB")
with self.assertRaises(ValueError):
# this has a fragmentary exponent
size.parseSpec("1.0e+ KiB")
with self.assertRaises(ValueError):
# this is a version string, not a number
size.parseSpec("1.0.0")
def testScientificNotation(self):
self.assertEqual(size.parseSpec("1e+0 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("1e-0 KiB"), Decimal(1024))
self.assertEqual(size.parseSpec("1e-1 KB"), Decimal(100))
self.assertEqual(size.parseSpec("1E-4KB"), Decimal("0.1"))
self.assertEqual(Size("1E-10KB"), Size(0))
