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77 lines
4.0 KiB
Python
77 lines
4.0 KiB
Python
# -*- encoding: utf-8 -*-
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from __future__ import unicode_literals
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from decimal import Decimal
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from sys import float_info
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from unittest import TestCase
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from django.utils.numberformat import format as nformat
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class TestNumberFormat(TestCase):
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def test_format_number(self):
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self.assertEqual(nformat(1234, '.'), '1234')
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self.assertEqual(nformat(1234.2, '.'), '1234.2')
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self.assertEqual(nformat(1234, '.', decimal_pos=2), '1234.00')
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self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=','),
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'1234')
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self.assertEqual(nformat(1234, '.', grouping=2, thousand_sep=',',
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force_grouping=True), '12,34')
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self.assertEqual(nformat(-1234.33, '.', decimal_pos=1), '-1234.3')
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def test_format_string(self):
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self.assertEqual(nformat('1234', '.'), '1234')
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self.assertEqual(nformat('1234.2', '.'), '1234.2')
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self.assertEqual(nformat('1234', '.', decimal_pos=2), '1234.00')
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self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=','),
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'1234')
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self.assertEqual(nformat('1234', '.', grouping=2, thousand_sep=',',
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force_grouping=True), '12,34')
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self.assertEqual(nformat('-1234.33', '.', decimal_pos=1), '-1234.3')
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self.assertEqual(nformat('10000', '.', grouping=3,
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thousand_sep='comma', force_grouping=True),
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'10comma000')
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def test_large_number(self):
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most_max = ('{}179769313486231570814527423731704356798070567525844996'
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'598917476803157260780028538760589558632766878171540458953'
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'514382464234321326889464182768467546703537516986049910576'
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'551282076245490090389328944075868508455133942304583236903'
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'222948165808559332123348274797826204144723168738177180919'
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'29988125040402618412485836{}')
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most_max2 = ('{}35953862697246314162905484746340871359614113505168999'
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'31978349536063145215600570775211791172655337563430809179'
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'07028764928468642653778928365536935093407075033972099821'
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'15310256415249098018077865788815173701691026788460916647'
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'38064458963316171186642466965495956524082894463374763543'
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'61838599762500808052368249716736')
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int_max = int(float_info.max)
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self.assertEqual(nformat(int_max, '.'), most_max.format('', '8'))
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self.assertEqual(nformat(int_max + 1, '.'), most_max.format('', '9'))
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self.assertEqual(nformat(int_max * 2, '.'), most_max2.format(''))
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self.assertEqual(nformat(0 - int_max, '.'), most_max.format('-', '8'))
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self.assertEqual(nformat(-1 - int_max, '.'), most_max.format('-', '9'))
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self.assertEqual(nformat(-2 * int_max, '.'), most_max2.format('-'))
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def test_decimal_numbers(self):
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self.assertEqual(nformat(Decimal('1234'), '.'), '1234')
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self.assertEqual(nformat(Decimal('1234.2'), '.'), '1234.2')
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self.assertEqual(nformat(Decimal('1234'), '.', decimal_pos=2), '1234.00')
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self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=','), '1234')
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self.assertEqual(nformat(Decimal('1234'), '.', grouping=2, thousand_sep=',', force_grouping=True), '12,34')
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self.assertEqual(nformat(Decimal('-1234.33'), '.', decimal_pos=1), '-1234.3')
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self.assertEqual(nformat(Decimal('0.00000001'), '.', decimal_pos=8), '0.00000001')
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def test_decimal_subclass(self):
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class EuroDecimal(Decimal):
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"""
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Wrapper for Decimal which prefixes each amount with the € symbol.
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"""
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def __format__(self, specifier, **kwargs):
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amount = super(EuroDecimal, self).__format__(specifier, **kwargs)
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return '€ {}'.format(amount)
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price = EuroDecimal('1.23')
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self.assertEqual(nformat(price, ','), '€ 1,23')
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