def test_float_numbers(self):
tests = [
(9e-10, 10, '0.0000000009'),
(9e-19, 2, '0.00'),
(.00000000000099, 0, '0'),
(.00000000000099, 13, '0.0000000000009'),
(1e16, None, '10000000000000000'),
(1e16, 2, '10000000000000000.00'),
# A float without a fractional part (3.) results in a ".0" when no
# decimal_pos is given. Contrast that with the Decimal('3.') case
# in test_decimal_numbers which doesn't return a fractional part.
(3., None, '3.0'),
]
for value, decimal_pos, expected_value in tests:
with self.subTest(value=value, decimal_pos=decimal_pos):
self.assertEqual(nformat(value, '.', decimal_pos),
expected_value)
# Thousand grouping behavior.
self.assertEqual(
nformat(1e16,
'.',
thousand_sep=',',
grouping=3,
force_grouping=True),
'10,000,000,000,000,000',
)
self.assertEqual(
nformat(1e16,
'.',
decimal_pos=2,
thousand_sep=',',
grouping=3,
force_grouping=True),
'10,000,000,000,000,000.00',
)
def test_format_number(self):
self.assertEqual(nformat(1234, '.'), '1234')
self.assertEqual(nformat(1234.2, '.'), '1234.2')
self.assertEqual(nformat(1234, '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=','),
'1234')
self.assertEqual(
nformat(1234,
'.',
grouping=2,
thousand_sep=',',
force_grouping=True), '12,34')
self.assertEqual(nformat(-1234.33, '.', decimal_pos=1), '-1234.3')
# The use_l10n parameter can force thousand grouping behavior.
with self.settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=True):
self.assertEqual(
nformat(1234,
'.',
grouping=3,
thousand_sep=',',
use_l10n=False), '1234')
with self.settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=False):
self.assertEqual(
nformat(1234, '.', grouping=3, thousand_sep=',',
use_l10n=True), '1,234')
def test_format_number(self):
self.assertEqual(nformat(1234, "."), "1234")
self.assertEqual(nformat(1234.2, "."), "1234.2")
self.assertEqual(nformat(1234, ".", decimal_pos=2), "1234.00")
self.assertEqual(nformat(1234, ".", grouping=2, thousand_sep=","),
"1234")
self.assertEqual(
nformat(1234,
".",
grouping=2,
thousand_sep=",",
force_grouping=True),
"12,34",
)
self.assertEqual(nformat(-1234.33, ".", decimal_pos=1), "-1234.3")
# The use_l10n parameter can force thousand grouping behavior.
with self.settings(USE_THOUSAND_SEPARATOR=True):
self.assertEqual(
nformat(1234,
".",
grouping=3,
thousand_sep=",",
use_l10n=False), "1234")
self.assertEqual(
nformat(1234, ".", grouping=3, thousand_sep=",",
use_l10n=True), "1,234")
def test_decimal_numbers(self):
self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1), '-1234.3')
self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8), '0.00000001')
# Very large & small numbers.
tests = [
('9e9999', None, '9e+9999'),
('9e9999', 3, '9.000e+9999'),
('9e201', None, '9e+201'),
('9e200', None, '9e+200'),
('1.2345e999', 2, '1.23e+999'),
('9e-999', None, '9e-999'),
('1e-7', 8, '0.00000010'),
('1e-8', 8, '0.00000001'),
('1e-9', 8, '0.00000000'),
('1e-10', 8, '0.00000000'),
('1e-11', 8, '0.00000000'),
('1' + ('0' * 300), 3, '1.000e+300'),
('0.{}1234'.format('0' * 299), 3, '1.234e-300'),
]
for value, decimal_pos, expected_value in tests:
self.assertEqual(nformat(Decimal(value), '.', decimal_pos), expected_value)
def test_format_string(self):
self.assertEqual(nformat('1234', '.'), '1234')
self.assertEqual(nformat('1234.2', '.'), '1234.2')
self.assertEqual(nformat('1234', '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat('-1234.33', '.', decimal_pos=1), '-1234.3')
self.assertEqual(nformat('10000', '.', grouping=3, thousand_sep='comma', force_grouping=True), '10comma000')
def test_decimal_numbers(self):
self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1), '-1234.3')
self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8), '0.00000001')
def test_format_string(self):
self.assertEqual(nformat('1234', '.'), '1234')
self.assertEqual(nformat('1234.2', '.'), '1234.2')
self.assertEqual(nformat('1234', '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat('-1234.33', '.', decimal_pos=1), '-1234.3')
self.assertEqual(nformat('10000', '.', grouping=3, thousand_sep='comma', force_grouping=True), '10comma000')
def test_decimal_numbers(self):
self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1), '-1234.3')
self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8), '0.00000001')
def test_format_number(self):
self.assertEqual(nformat(1234, '.'), '1234')
self.assertEqual(nformat(1234.2, '.'), '1234.2')
self.assertEqual(nformat(1234, '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(-1234.33, '.', decimal_pos=1), '-1234.3')
# The use_l10n parameter can force thousand grouping behavior.
with self.settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=True):
self.assertEqual(nformat(1234, '.', grouping=3, thousand_sep=',', use_l10n=False), '1234')
with self.settings(USE_THOUSAND_SEPARATOR=True, USE_L10N=False):
self.assertEqual(nformat(1234, '.', grouping=3, thousand_sep=',', use_l10n=True), '1,234')
def test_decimal_subclass(self):
class EuroDecimal(Decimal):
"""
Wrapper for Decimal which prefixes each amount with the € symbol.
"""
def __format__(self, specifier, **kwargs):
amount = super().__format__(specifier, **kwargs)
return '€ {}'.format(amount)
price = EuroDecimal('1.23')
self.assertEqual(nformat(price, ','), '€ 1,23')
def test_decimal_subclass(self):
class EuroDecimal(Decimal):
"""
Wrapper for Decimal which prefixes each amount with the € symbol.
"""
def __format__(self, specifier, **kwargs):
amount = super().__format__(specifier, **kwargs)
return '€ {}'.format(amount)
price = EuroDecimal('1.23')
self.assertEqual(nformat(price, ','), '€ 1,23')
def test_format_number(self):
self.assertEqual(nformat(1234, '.'), '1234')
self.assertEqual(nformat(1234.2, '.'), '1234.2')
self.assertEqual(nformat(1234, '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(-1234.33, '.', decimal_pos=1), '-1234.3')
def test_format_number(self):
self.assertEqual(nformat(1234, '.'), '1234')
self.assertEqual(nformat(1234.2, '.'), '1234.2')
self.assertEqual(nformat(1234, '.', decimal_pos=2), '1234.00')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=','), '1234')
self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
self.assertEqual(nformat(-1234.33, '.', decimal_pos=1), '-1234.3')
def test_locale_independent(self):
"""
Localization of numbers
"""
settings.USE_L10N = True
settings.USE_THOUSAND_SEPARATOR = False
self.assertEqual(
u'66666.66',
nformat(self.n,
decimal_sep='.',
decimal_pos=2,
grouping=3,
thousand_sep=','))
self.assertEqual(
u'66666A6',
nformat(self.n,
decimal_sep='A',
decimal_pos=1,
grouping=1,
thousand_sep='B'))
settings.USE_THOUSAND_SEPARATOR = True
self.assertEqual(
u'66,666.66',
nformat(self.n,
decimal_sep='.',
decimal_pos=2,
grouping=3,
thousand_sep=','))
self.assertEqual(
u'6B6B6B6B6A6',
nformat(self.n,
decimal_sep='A',
decimal_pos=1,
grouping=1,
thousand_sep='B'))
self.assertEqual(u'-66666.6',
nformat(-66666.666, decimal_sep='.', decimal_pos=1))
self.assertEqual(
u'-66666.0', nformat(int('-66666'), decimal_sep='.',
decimal_pos=1))
self.assertEqual(u'10000.0',
nformat(self.l, decimal_sep='.', decimal_pos=1))
# date filter
self.assertEqual(
u'31.12.2009 в 20:50',
Template('{{ dt|date:"d.m.Y в H:i" }}').render(self.ctxt))
self.assertEqual(u'⌚ 10:15',
Template('{{ t|time:"⌚ H:i" }}').render(self.ctxt))
def test_locale_independent(self):
"""
Localization of numbers
"""
with self.settings(USE_L10N=True, USE_THOUSAND_SEPARATOR=False):
self.assertEqual(u'66666.66', nformat(self.n, decimal_sep='.', decimal_pos=2, grouping=3, thousand_sep=','))
self.assertEqual(u'66666A6', nformat(self.n, decimal_sep='A', decimal_pos=1, grouping=1, thousand_sep='B'))
self.assertEqual(u'66666', nformat(self.n, decimal_sep='X', decimal_pos=0, grouping=1, thousand_sep='Y'))
with self.settings(USE_L10N=True, USE_THOUSAND_SEPARATOR=True):
self.assertEqual(u'66,666.66', nformat(self.n, decimal_sep='.', decimal_pos=2, grouping=3, thousand_sep=','))
self.assertEqual(u'6B6B6B6B6A6', nformat(self.n, decimal_sep='A', decimal_pos=1, grouping=1, thousand_sep='B'))
self.assertEqual(u'-66666.6', nformat(-66666.666, decimal_sep='.', decimal_pos=1))
self.assertEqual(u'-66666.0', nformat(int('-66666'), decimal_sep='.', decimal_pos=1))
self.assertEqual(u'10000.0', nformat(self.l, decimal_sep='.', decimal_pos=1))
# date filter
self.assertEqual(u'31.12.2009 в 20:50', Template('{{ dt|date:"d.m.Y в H:i" }}').render(self.ctxt))
self.assertEqual(u'⌚ 10:15', Template('{{ t|time:"⌚ H:i" }}').render(self.ctxt))
def test_locale_independent(self):
"""
Localization of numbers
"""
settings.USE_L10N = True
settings.USE_THOUSAND_SEPARATOR = False
self.assertEqual(u"66666.66", nformat(self.n, decimal_sep=".", decimal_pos=2, grouping=3, thousand_sep=","))
self.assertEqual(u"66666A6", nformat(self.n, decimal_sep="A", decimal_pos=1, grouping=1, thousand_sep="B"))
settings.USE_THOUSAND_SEPARATOR = True
self.assertEqual(u"66,666.66", nformat(self.n, decimal_sep=".", decimal_pos=2, grouping=3, thousand_sep=","))
self.assertEqual(u"6B6B6B6B6A6", nformat(self.n, decimal_sep="A", decimal_pos=1, grouping=1, thousand_sep="B"))
self.assertEqual(u"-66666.6", nformat(-66666.666, decimal_sep=".", decimal_pos=1))
self.assertEqual(u"-66666.0", nformat(int("-66666"), decimal_sep=".", decimal_pos=1))
self.assertEqual(u"10000.0", nformat(self.l, decimal_sep=".", decimal_pos=1))
# date filter
self.assertEqual(u"31.12.2009 в 20:50", Template('{{ dt|date:"d.m.Y в H:i" }}').render(self.ctxt))
self.assertEqual(u"⌚ 10:15", Template('{{ t|time:"⌚ H:i" }}').render(self.ctxt))
def test_decimal_numbers(self):
self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2),
'1234.00')
self.assertEqual(
nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','),
'1234')
self.assertEqual(
nformat(Decimal('1234'),
'.',
grouping=2,
thousand_sep=',',
force_grouping=True), '12,34')
self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1),
'-1234.3')
self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8),
'0.00000001')
# Very large & small numbers.
tests = [
('9e9999', None, '9e+9999'),
('9e9999', 3, '9.000e+9999'),
('9e201', None, '9e+201'),
('9e200', None, '9e+200'),
('1.2345e999', 2, '1.23e+999'),
('9e-999', None, '9e-999'),
('1e-7', 8, '0.00000010'),
('1e-8', 8, '0.00000001'),
('1e-9', 8, '0.00000000'),
('1e-10', 8, '0.00000000'),
('1e-11', 8, '0.00000000'),
('1' + ('0' * 300), 3, '1.000e+300'),
('0.{}1234'.format('0' * 299), 3, '1.234e-300'),
]
for value, decimal_pos, expected_value in tests:
self.assertEqual(nformat(Decimal(value), '.', decimal_pos),
expected_value)
def test_format_string(self):
self.assertEqual(nformat("1234", "."), "1234")
self.assertEqual(nformat("1234.2", "."), "1234.2")
self.assertEqual(nformat("1234", ".", decimal_pos=2), "1234.00")
self.assertEqual(nformat("1234", ".", grouping=2, thousand_sep=","),
"1234")
self.assertEqual(
nformat("1234",
".",
grouping=2,
thousand_sep=",",
force_grouping=True),
"12,34",
)
self.assertEqual(nformat("-1234.33", ".", decimal_pos=1), "-1234.3")
self.assertEqual(
nformat("10000",
".",
grouping=3,
thousand_sep="comma",
force_grouping=True),
"10comma000",
)
def test_large_number(self):
most_max = ('{}179769313486231570814527423731704356798070567525844996'
'598917476803157260780028538760589558632766878171540458953'
'514382464234321326889464182768467546703537516986049910576'
'551282076245490090389328944075868508455133942304583236903'
'222948165808559332123348274797826204144723168738177180919'
'29988125040402618412485836{}')
most_max2 = ('{}35953862697246314162905484746340871359614113505168999'
'31978349536063145215600570775211791172655337563430809179'
'07028764928468642653778928365536935093407075033972099821'
'15310256415249098018077865788815173701691026788460916647'
'38064458963316171186642466965495956524082894463374763543'
'61838599762500808052368249716736')
int_max = int(float_info.max)
self.assertEqual(nformat(int_max, '.'), most_max.format('', '8'))
self.assertEqual(nformat(int_max + 1, '.'), most_max.format('', '9'))
self.assertEqual(nformat(int_max * 2, '.'), most_max2.format(''))
self.assertEqual(nformat(0 - int_max, '.'), most_max.format('-', '8'))
self.assertEqual(nformat(-1 - int_max, '.'), most_max.format('-', '9'))
self.assertEqual(nformat(-2 * int_max, '.'), most_max2.format('-'))
def test_large_number(self):
most_max = ('{}179769313486231570814527423731704356798070567525844996'
'598917476803157260780028538760589558632766878171540458953'
'514382464234321326889464182768467546703537516986049910576'
'551282076245490090389328944075868508455133942304583236903'
'222948165808559332123348274797826204144723168738177180919'
'29988125040402618412485836{}')
most_max2 = ('{}35953862697246314162905484746340871359614113505168999'
'31978349536063145215600570775211791172655337563430809179'
'07028764928468642653778928365536935093407075033972099821'
'15310256415249098018077865788815173701691026788460916647'
'38064458963316171186642466965495956524082894463374763543'
'61838599762500808052368249716736')
int_max = int(float_info.max)
self.assertEqual(nformat(int_max, '.'), most_max.format('', '8'))
self.assertEqual(nformat(int_max + 1, '.'), most_max.format('', '9'))
self.assertEqual(nformat(int_max * 2, '.'), most_max2.format(''))
self.assertEqual(nformat(0 - int_max, '.'), most_max.format('-', '8'))
self.assertEqual(nformat(-1 - int_max, '.'), most_max.format('-', '9'))
self.assertEqual(nformat(-2 * int_max, '.'), most_max2.format('-'))
def test_float_numbers(self):
# A float without a fractional part (3.) results in a ".0" when no
# deimal_pos is given. Contrast that with the Decimal('3.') case in
# test_decimal_numbers which doesn't return a fractional part.
self.assertEqual(nformat(3., '.'), '3.0')
def test_decimal_numbers(self):
self.assertEqual(nformat(Decimal("1234"), "."), "1234")
self.assertEqual(nformat(Decimal("1234.2"), "."), "1234.2")
self.assertEqual(nformat(Decimal("1234"), ".", decimal_pos=2),
"1234.00")
self.assertEqual(
nformat(Decimal("1234"), ".", grouping=2, thousand_sep=","),
"1234")
self.assertEqual(
nformat(Decimal("1234"),
".",
grouping=2,
thousand_sep=",",
force_grouping=True),
"12,34",
)
self.assertEqual(nformat(Decimal("-1234.33"), ".", decimal_pos=1),
"-1234.3")
self.assertEqual(nformat(Decimal("0.00000001"), ".", decimal_pos=8),
"0.00000001")
self.assertEqual(nformat(Decimal("9e-19"), ".", decimal_pos=2), "0.00")
self.assertEqual(
nformat(Decimal(".00000000000099"), ".", decimal_pos=0), "0")
self.assertEqual(
nformat(Decimal("1e16"),
".",
thousand_sep=",",
grouping=3,
force_grouping=True),
"10,000,000,000,000,000",
)
self.assertEqual(
nformat(
Decimal("1e16"),
".",
decimal_pos=2,
thousand_sep=",",
grouping=3,
force_grouping=True,
),
"10,000,000,000,000,000.00",
)
self.assertEqual(nformat(Decimal("3."), "."), "3")
self.assertEqual(nformat(Decimal("3.0"), "."), "3.0")
# Very large & small numbers.
tests = [
("9e9999", None, "9e+9999"),
("9e9999", 3, "9.000e+9999"),
("9e201", None, "9e+201"),
("9e200", None, "9e+200"),
("1.2345e999", 2, "1.23e+999"),
("9e-999", None, "9e-999"),
("1e-7", 8, "0.00000010"),
("1e-8", 8, "0.00000001"),
("1e-9", 8, "0.00000000"),
("1e-10", 8, "0.00000000"),
("1e-11", 8, "0.00000000"),
("1" + ("0" * 300), 3, "1.000e+300"),
("0.{}1234".format("0" * 299), 3, "0.000"),
]
for value, decimal_pos, expected_value in tests:
with self.subTest(value=value):
self.assertEqual(nformat(Decimal(value), ".", decimal_pos),
expected_value)
def test_float_numbers(self):
# A float without a fractional part (3.) results in a ".0" when no
# deimal_pos is given. Contrast that with the Decimal('3.') case in
# test_decimal_numbers which doesn't return a fractional part.
self.assertEqual(nformat(3., '.'), '3.0')
