def test_make_friendly_plural_forms(self):
single_form = make_friendly_plural_forms('0', 1)
self.assertEqual(single_form,
[{'examples': [0, 1, 2, 3, 4, 5], 'form': 0}])
two_forms = make_friendly_plural_forms('n!=1', 2)
self.assertEqual(two_forms,
[{'examples': [1], 'form': 0},
{'examples': [0, 2, 3, 4, 5, 6], 'form': 1}])
def test_make_friendly_plural_form_zero_handling(self):
zero_forms = make_friendly_plural_forms('n!=0', 2)
self.assertEqual(zero_forms,
[{'examples': [0], 'form': 0},
{'examples': [1, 2, 3, 4, 5, 6], 'form': 1}])
# Since 'n' can be zero as well, dividing by it won't work.
self.assertRaises(BadPluralExpression,
make_friendly_plural_forms, '(1/n)', 1)
def friendly_plural_forms(self):
"""Formats the plural forms' example list.
It takes the list of examples for each plural form and transforms in a
comma separated list to be displayed.
"""
pluralforms_list = make_friendly_plural_forms(
self.context.pluralexpression, self.context.pluralforms)
for item in pluralforms_list:
examples = ", ".join(map(str, item['examples']))
if len(item['examples']) != 1:
examples += "..."
else:
examples += "."
item['examples'] = examples
return pluralforms_list
def friendly_plural_forms(self):
"""Formats the plural forms' example list.
It takes the list of examples for each plural form and transforms in a
comma separated list to be displayed.
"""
pluralforms_list = make_friendly_plural_forms(
self.context.pluralexpression, self.context.pluralforms)
for item in pluralforms_list:
examples = ", ".join(map(str, item['examples']))
if len(item['examples']) != 1:
examples += "..."
else:
examples += "."
item['examples'] = examples
return pluralforms_list
def _validatePluralData(self, pluralforms, pluralexpression):
"""Validate plural expression and number of plural forms."""
try:
make_friendly_plural_forms(pluralexpression, pluralforms)
except BadPluralExpression as e:
self.setFieldError('pluralexpression', str(e))
def _validatePluralData(self, pluralforms, pluralexpression):
"""Validate plural expression and number of plural forms."""
try:
make_friendly_plural_forms(pluralexpression, pluralforms)
except BadPluralExpression as e:
self.setFieldError('pluralexpression', str(e))
