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Fixed #29154 -- Corrected examples in pluralize docstring and added tests.

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This commit is contained in:
Hasan Ramezani 2018-02-23 20:45:40 +03:30 committed by Tim Graham
parent f82de6bfb1
commit 5033999153
2 changed files with 32 additions and 9 deletions
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18
django/template/defaultfilters.py
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@ -854,22 +854,22 @@ def pluralize(value, arg='s'):
Return a plural suffix if the value is not 1. By default, use 's' as the Return a plural suffix if the value is not 1. By default, use 's' as the
suffix: suffix:
* If value is 0, vote{{ value|pluralize }} display "0 votes". * If value is 0, vote{{ value|pluralize }} display "votes".
* If value is 1, vote{{ value|pluralize }} display "1 vote". * If value is 1, vote{{ value|pluralize }} display "vote".
* If value is 2, vote{{ value|pluralize }} display "2 votes". * If value is 2, vote{{ value|pluralize }} display "votes".
If an argument is provided, use that string instead: If an argument is provided, use that string instead:
* If value is 0, class{{ value|pluralize:"es" }} display "0 classes". * If value is 0, class{{ value|pluralize:"es" }} display "classes".
* If value is 1, class{{ value|pluralize:"es" }} display "1 class". * If value is 1, class{{ value|pluralize:"es" }} display "class".
* If value is 2, class{{ value|pluralize:"es" }} display "2 classes". * If value is 2, class{{ value|pluralize:"es" }} display "classes".
If the provided argument contains a comma, use the text before the comma If the provided argument contains a comma, use the text before the comma
for the singular case and the text after the comma for the plural case: for the singular case and the text after the comma for the plural case:
* If value is 0, cand{{ value|pluralize:"y,ies" }} display "0 candies". * If value is 0, cand{{ value|pluralize:"y,ies" }} display "candies".
* If value is 1, cand{{ value|pluralize:"y,ies" }} display "1 candy". * If value is 1, cand{{ value|pluralize:"y,ies" }} display "candy".
* If value is 2, cand{{ value|pluralize:"y,ies" }} display "2 candies". * If value is 2, cand{{ value|pluralize:"y,ies" }} display "candies".
""" """
if ',' not in arg: if ',' not in arg:
arg = ',' + arg arg = ',' + arg

23
tests/template_tests/filter_tests/test_pluralize.py
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@ -3,6 +3,29 @@ from decimal import Decimal
from django.template.defaultfilters import pluralize from django.template.defaultfilters import pluralize
from django.test import SimpleTestCase from django.test import SimpleTestCase
from ..utils import setup
class PluralizeTests(SimpleTestCase):
def check_values(self, *tests):
for value, expected in tests:
with self.subTest(value=value):
output = self.engine.render_to_string('t', {'value': value})
self.assertEqual(output, expected)
@setup({'t': 'vote{{ value|pluralize }}'})
def test_no_arguments(self):
self.check_values(('0', 'votes'), ('1', 'vote'), ('2', 'votes'))
@setup({'t': 'class{{ value|pluralize:"es" }}'})
def test_suffix(self):
self.check_values(('0', 'classes'), ('1', 'class'), ('2', 'classes'))
@setup({'t': 'cand{{ value|pluralize:"y,ies" }}'})
def test_singular_and_plural_suffix(self):
self.check_values(('0', 'candies'), ('1', 'candy'), ('2', 'candies'))
class FunctionTests(SimpleTestCase): class FunctionTests(SimpleTestCase):