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# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Test a gettext implementation of a Message Catalog.
"""
import os
import unittest
import zope.component
from zope.i18n import tests, translate
from zope.i18n.translationdomain import TranslationDomain
from zope.i18n.gettextmessagecatalog import GettextMessageCatalog
from zope.i18nmessageid import MessageFactory
from zope.i18n.interfaces import ITranslationDomain
class TestPlurals(unittest.TestCase):
def _getMessageCatalog(self, locale, variant="default"):
path = os.path.dirname(tests.__file__)
self._path = os.path.join(path, '%s-%s.mo' % (locale, variant))
catalog = GettextMessageCatalog(locale, variant, self._path)
return catalog
def _getTranslationDomain(self, locale, variant="default"):
path = os.path.dirname(tests.__file__)
self._path = os.path.join(path, '%s-%s.mo' % (locale, variant))
catalog = GettextMessageCatalog(locale, variant, self._path)
domain = TranslationDomain('default')
domain.addCatalog(catalog)
return domain
def test_missing_queryPluralMessage(self):
catalog = self._getMessageCatalog('en')
self.assertEqual(catalog.language, 'en')
self.assertEqual(
catalog.queryPluralMessage(
'One apple', '%d apples', 0,
dft1='One fruit', dft2='%d fruits'),
'0 fruits')
self.assertEqual(
catalog.queryPluralMessage(
'One apple.', '%d apples.', 1,
dft1='One fruit', dft2='%d fruits'),
'One fruit')
self.assertEqual(
catalog.queryPluralMessage(
'One apple.', '%d apples.', 2,
dft1='One fruit', dft2='%d fruits'),
'2 fruits')
def test_missing_getPluralMessage(self):
catalog = self._getMessageCatalog('en')
self.assertEqual(catalog.language, 'en')
with self.assertRaises(KeyError):
catalog.getPluralMessage('One apple', '%d fruits', 0)
with self.assertRaises(KeyError):
catalog.getPluralMessage('One apple', '%d fruits', 1)
with self.assertRaises(KeyError):
catalog.getPluralMessage('One apple', '%d fruits', 2)
def test_GermanPlurals(self):
"""Germanic languages such as english and german share the plural
rule. We test the german here.
"""
catalog = self._getMessageCatalog('de')
self.assertEqual(catalog.language, 'de')
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 1),
'Es gibt eine Datei.')
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 3),
'Es gibt 3 Dateien.')
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 0),
'Es gibt 0 Dateien.')
# Unknown id
self.assertRaises(KeyError, catalog.getPluralMessage,
'There are %d files.', 'bar', 6)
# Query without default values
self.assertEqual(catalog.queryPluralMessage(
'There is one file.', 'There are %d files.', 1),
'Es gibt eine Datei.')
self.assertEqual(catalog.queryPluralMessage(
'There is one file.', 'There are %d files.', 3),
'Es gibt 3 Dateien.')
# Query with default values
self.assertEqual(catalog.queryPluralMessage(
'There are %d files.', 'There is one file.', 1,
'Es gibt 1 Datei.', 'Es gibt %d Dateien !', ),
'Es gibt 1 Datei.')
self.assertEqual(catalog.queryPluralMessage(
'There are %d files.', 'There is one file.', 3,
'Es gibt 1 Datei.', 'Es gibt %d Dateien !', ),
'Es gibt 3 Dateien !')
def test_PolishPlurals(self):
"""Polish has a complex rule for plurals. It makes for a good
test subject.
"""
catalog = self._getMessageCatalog('pl')
self.assertEqual(catalog.language, 'pl')
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 0),
u"Istnieją 0 plików.")
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 1),
u"Istnieje 1 plik.")
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 3),
u"Istnieją 3 pliki.")
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 17),
u"Istnieją 17 plików.")
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 23),
u"Istnieją 23 pliki.")
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 28),
u"Istnieją 28 plików.")
def test_floater(self):
"""Test with the number being a float.
We can use %f or %s to make sure it works.
"""
catalog = self._getMessageCatalog('en')
self.assertEqual(catalog.language, 'en')
# It's cast to integer because of the %d in the translation string.
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 1.0),
'There is one file.')
self.assertEqual(catalog.getPluralMessage(
'There is one file.', 'There are %d files.', 3.5),
'There are 3 files.')
# It's cast to a string because of the %s in the translation string.
self.assertEqual(catalog.getPluralMessage(
'The item is rated 1/5 star.',
'The item is rated %s/5 stars.', 3.5),
'The item is rated 3.5/5 stars.')
# It's cast either to an int or a float because of the %s in
# the translation string.
self.assertEqual(catalog.getPluralMessage(
'There is %d chance.',
'There are %f chances.', 1.5),
'There are 1.500000 chances.')
self.assertEqual(catalog.getPluralMessage(
'There is %d chance.',
'There are %f chances.', 3.5),
'There are 3.500000 chances.')
def test_translate_without_defaults(self):
domain = self._getTranslationDomain('en')
zope.component.provideUtility(domain, ITranslationDomain, 'default')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=0),
'0 apples')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=1),
'One apple')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=2),
'2 apples')
def test_translate_with_defaults(self):
domain = self._getTranslationDomain('en')
zope.component.provideUtility(domain, ITranslationDomain, 'default')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=0,
default='One fruit', default_plural='%d fruits'),
'0 fruits')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=1,
default='One fruit', default_plural='%d fruits'),
'One fruit')
self.assertEqual(
translate('One apple', domain='default',
msgid_plural='%d apples', number=2,
default='One fruit', default_plural='%d fruits'),
'2 fruits')
def test_translate_message_without_defaults(self):
domain = self._getTranslationDomain('en')
factory = MessageFactory('default')
zope.component.provideUtility(domain, ITranslationDomain, 'default')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples',
number=0)),
'0 apples')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples',
number=1)),
'One apple')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples',
number=2)),
'2 apples')
def test_translate_message_with_defaults(self):
domain = self._getTranslationDomain('en')
factory = MessageFactory('default')
zope.component.provideUtility(domain, ITranslationDomain, 'default')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples', number=0,
default='One fruit',
default_plural='%d fruits')),
'0 fruits')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples', number=1,
default='One fruit',
default_plural='%d fruits')),
'One fruit')
self.assertEqual(
translate(factory('One apple', msgid_plural='%d apples', number=2,
default='One fruit',
default_plural='%d fruits')),
'2 fruits')
def test_translate_recursive(self):
domain = self._getTranslationDomain('en')
factory = MessageFactory('default')
# Singular
banana = factory('banana', msgid_plural='bananas', number=1)
phrase = factory('There is %d ${type}.',
msgid_plural='There are %d ${type}.',
number=1, mapping={'type': banana})
self.assertEqual(
domain.translate(phrase, target_language="en"),
'There is 1 banana.')
# Plural
apple = factory('apple', msgid_plural='apples', number=10)
phrase = factory('There is %d ${type}.',
msgid_plural='There are %d ${type}.',
number=10, mapping={'type': apple})
self.assertEqual(
domain.translate(phrase, target_language="en"),
'There are 10 apples.')
# Straight translation with translatable mapping
apple = factory('apple', msgid_plural='apples', number=75)
self.assertEqual(
domain.translate(msgid='There is %d ${type}.',
msgid_plural='There are %d ${type}.',
mapping={'type': apple},
target_language="en", number=75),
'There are 75 apples.')
# Add another catalog, to test the domain's catalogs iteration
# We add this catalog in first position, to resolve the translations
# there first.
alt_en = self._getMessageCatalog('en', variant="alt")
domain._data[alt_en.getIdentifier()] = alt_en
domain._catalogs[alt_en.language].insert(0, alt_en.getIdentifier())
apple = factory('apple', msgid_plural='apples', number=42)
self.assertEqual(
domain.translate(msgid='There is %d ${type}.',
msgid_plural='There are %d ${type}.',
mapping={'type': apple},
target_language="de", number=42),
'There are 42 oranges.')
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