682 lines
28 KiB
Python
682 lines
28 KiB
Python
# Copyright 2012 Red Hat, Inc.
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# Copyright 2013 IBM Corp.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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from unittest import mock
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import warnings
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from oslotest import base as test_base
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import testtools
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from oslo_i18n import _message
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from oslo_i18n.tests import fakes
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from oslo_i18n.tests import utils
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LOG = logging.getLogger(__name__)
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class MessageTestCase(test_base.BaseTestCase):
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"""Unit tests for locale Message class."""
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def test_message_id_and_message_text(self):
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message = _message.Message('1')
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self.assertEqual('1', message.msgid)
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self.assertEqual('1', message)
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message = _message.Message('1', msgtext='A')
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self.assertEqual('1', message.msgid)
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self.assertEqual('A', message)
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def test_message_is_unicode(self):
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message = _message.Message('some %s') % 'message'
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self.assertIsInstance(message, str)
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@mock.patch('locale.getlocale')
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@mock.patch('gettext.translation')
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def test_create_message_non_english_default_locale(self,
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mock_translation,
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mock_locale):
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msgid = 'A message in English'
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es_translation = 'A message in Spanish'
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es_translations = {msgid: es_translation}
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translations_map = {'es': es_translations}
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translator = fakes.FakeTranslations.translator(translations_map)
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mock_translation.side_effect = translator
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mock_locale.return_value = ('es',)
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message = _message.Message(msgid)
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# The base representation of the message is in Spanish, as well as
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# the default translation, since the default locale was Spanish.
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self.assertEqual(es_translation, message)
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self.assertEqual(es_translation, message.translation())
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def test_translation_returns_unicode(self):
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message = _message.Message('some %s') % 'message'
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self.assertIsInstance(message.translation(), str)
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def test_mod_with_named_parameters(self):
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msgid = ("%(description)s\nCommand: %(cmd)s\n"
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"Exit code: %(exit_code)s\nStdout: %(stdout)r\n"
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"Stderr: %(stderr)r %%(something)s")
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params = {'description': 'test1',
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'cmd': 'test2',
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'exit_code': 'test3',
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'stdout': 'test4',
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'stderr': 'test5',
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'something': 'trimmed'}
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result = _message.Message(msgid) % params
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expected = msgid % params
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self.assertEqual(expected, result)
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self.assertEqual(expected, result.translation())
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def test_multiple_mod_with_named_parameter(self):
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msgid = ("%(description)s\nCommand: %(cmd)s\n"
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"Exit code: %(exit_code)s\nStdout: %(stdout)r\n"
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"Stderr: %(stderr)r")
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params = {'description': 'test1',
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'cmd': 'test2',
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'exit_code': 'test3',
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'stdout': 'test4',
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'stderr': 'test5'}
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# Run string interpolation the first time to make a new Message
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first = _message.Message(msgid) % params
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# Run string interpolation on the new Message, to replicate
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# one of the error paths with some Exception classes we've
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# implemented in OpenStack. We should receive a second Message
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# object, but the translation results should be the same.
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#
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# The production code that triggers this problem does something
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# like:
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#
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# msg = _('there was a problem %(name)s') % {'name': 'some value'}
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# LOG.error(msg)
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# raise BadExceptionClass(msg)
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#
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# where BadExceptionClass does something like:
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#
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# class BadExceptionClass(Exception):
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# def __init__(self, msg, **kwds):
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# super(BadExceptionClass, self).__init__(msg % kwds)
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#
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expected = first % {}
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# Base message id should be the same
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self.assertEqual(first.msgid, expected.msgid)
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# Preserved arguments should be the same
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self.assertEqual(first.params, expected.params)
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# Should have different objects
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self.assertIsNot(expected, first)
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# Final translations should be the same
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self.assertEqual(expected.translation(), first.translation())
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def test_mod_with_named_parameters_no_space(self):
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msgid = ("Request: %(method)s http://%(server)s:"
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"%(port)s%(url)s with headers %(headers)s")
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params = {'method': 'POST',
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'server': 'test1',
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'port': 1234,
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'url': 'test2',
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'headers': {'h1': 'val1'}}
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result = _message.Message(msgid) % params
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expected = msgid % params
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self.assertEqual(expected, result)
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self.assertEqual(expected, result.translation())
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def test_mod_with_dict_parameter(self):
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msgid = "Test that we can inject a dictionary %s"
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params = {'description': 'test1'}
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result = _message.Message(msgid) % params
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expected = msgid % params
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self.assertEqual(expected, result)
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self.assertEqual(expected, result.translation())
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def test_mod_with_wrong_field_type_in_trans(self):
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msgid = "Correct type %(arg1)s"
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params = {'arg1': 'test1'}
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with mock.patch('gettext.translation') as trans:
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# Set up ugettext to return the original message with the
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# correct format string.
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trans.return_value.ugettext.return_value = msgid
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# Build a message and give it some parameters.
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result = _message.Message(msgid) % params
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# Now set up ugettext to return the translated version of
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# the original message, with a bad format string.
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wrong_type = 'Wrong type %(arg1)d'
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trans.return_value.gettext.return_value = wrong_type
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trans_result = result.translation()
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expected = msgid % params
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self.assertEqual(expected, trans_result)
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def test_mod_with_wrong_field_type(self):
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msgid = "Test that we handle unused args %(arg1)d"
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params = {'arg1': 'test1'}
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with testtools.ExpectedException(TypeError):
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_message.Message(msgid) % params
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def test_mod_with_missing_arg(self):
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msgid = "Test that we handle missing args %(arg1)s %(arg2)s"
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params = {'arg1': 'test1'}
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with testtools.ExpectedException(KeyError, '.*arg2.*'):
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_message.Message(msgid) % params
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def test_mod_with_integer_parameters(self):
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msgid = "Some string with params: %d"
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params = [0, 1, 10, 24124]
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messages = []
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results = []
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for param in params:
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messages.append(msgid % param)
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results.append(_message.Message(msgid) % param)
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for message, result in zip(messages, results):
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self.assertIsInstance(result, _message.Message)
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self.assertEqual(message, result.translation())
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# simulate writing out as string
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result_str = '%s' % result.translation()
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self.assertEqual(result_str, message)
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self.assertEqual(message, result)
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def test_mod_copies_parameters(self):
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msgid = "Found object: %(current_value)s"
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changing_dict = {'current_value': 1}
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# A message created with some params
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result = _message.Message(msgid) % changing_dict
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# The parameters may change
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changing_dict['current_value'] = 2
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# Even if the param changes when the message is
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# translated it should use the original param
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self.assertEqual('Found object: 1', result.translation())
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def test_mod_deep_copies_parameters(self):
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msgid = "Found list: %(current_list)s"
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changing_list = list([1, 2, 3])
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params = {'current_list': changing_list}
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# Apply the params
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result = _message.Message(msgid) % params
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# Change the list
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changing_list.append(4)
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# Even though the list changed the message
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# translation should use the original list
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self.assertEqual("Found list: [1, 2, 3]", result.translation())
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def test_mod_deep_copies_param_nodeep_param(self):
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msgid = "Value: %s"
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params = utils.NoDeepCopyObject(5)
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# Apply the params
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result = _message.Message(msgid) % params
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self.assertEqual("Value: 5", result.translation())
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def test_mod_deep_copies_param_nodeep_dict(self):
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msgid = "Values: %(val1)s %(val2)s"
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params = {'val1': 1, 'val2': utils.NoDeepCopyObject(2)}
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# Apply the params
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result = _message.Message(msgid) % params
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self.assertEqual("Values: 1 2", result.translation())
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# Apply again to make sure other path works as well
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params = {'val1': 3, 'val2': utils.NoDeepCopyObject(4)}
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result = _message.Message(msgid) % params
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self.assertEqual("Values: 3 4", result.translation())
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def test_mod_returns_a_copy(self):
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msgid = "Some msgid string: %(test1)s %(test2)s"
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message = _message.Message(msgid)
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m1 = message % {'test1': 'foo', 'test2': 'bar'}
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m2 = message % {'test1': 'foo2', 'test2': 'bar2'}
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self.assertIsNot(message, m1)
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self.assertIsNot(message, m2)
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self.assertEqual(m1.translation(),
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msgid % {'test1': 'foo', 'test2': 'bar'})
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self.assertEqual(m2.translation(),
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msgid % {'test1': 'foo2', 'test2': 'bar2'})
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def test_mod_with_none_parameter(self):
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msgid = "Some string with params: %s"
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message = _message.Message(msgid) % None
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self.assertEqual(msgid % None, message)
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self.assertEqual(msgid % None, message.translation())
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def test_mod_with_missing_parameters(self):
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msgid = "Some string with params: %s %s"
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test_me = lambda: _message.Message(msgid) % 'just one'
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# Just like with strings missing parameters raise TypeError
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self.assertRaises(TypeError, test_me)
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def test_mod_with_extra_parameters(self):
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msgid = "Some string with params: %(param1)s %(param2)s"
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params = {'param1': 'test',
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'param2': 'test2',
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'param3': 'notinstring'}
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result = _message.Message(msgid) % params
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expected = msgid % params
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self.assertEqual(expected, result)
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self.assertEqual(expected, result.translation())
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# Make sure unused params still there
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self.assertEqual(params.keys(), result.params.keys())
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def test_add_disabled(self):
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msgid = "A message"
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test_me = lambda: _message.Message(msgid) + ' some string'
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self.assertRaises(TypeError, test_me)
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def test_radd_disabled(self):
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msgid = "A message"
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test_me = lambda: utils.SomeObject('test') + _message.Message(msgid)
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self.assertRaises(TypeError, test_me)
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@mock.patch('gettext.translation')
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def test_translation(self, mock_translation):
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en_message = 'A message in the default locale'
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es_translation = 'A message in Spanish'
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message = _message.Message(en_message)
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es_translations = {en_message: es_translation}
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translations_map = {'es': es_translations}
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translator = fakes.FakeTranslations.translator(translations_map)
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mock_translation.side_effect = translator
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self.assertEqual(es_translation, message.translation('es'))
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@mock.patch('gettext.translation')
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def test_translate_message_from_unicoded_object(self, mock_translation):
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en_message = 'A message in the default locale'
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es_translation = 'A message in Spanish'
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message = _message.Message(en_message)
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es_translations = {en_message: es_translation}
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translations_map = {'es': es_translations}
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translator = fakes.FakeTranslations.translator(translations_map)
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mock_translation.side_effect = translator
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# Here we are not testing the Message object directly but the result
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# of unicoding() an object whose unicode representation is a Message
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obj = utils.SomeObject(message)
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unicoded_obj = str(obj)
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self.assertEqual(es_translation, unicoded_obj.translation('es'))
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@mock.patch('gettext.translation')
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def test_translate_multiple_languages(self, mock_translation):
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en_message = 'A message in the default locale'
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es_translation = 'A message in Spanish'
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zh_translation = 'A message in Chinese'
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message = _message.Message(en_message)
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es_translations = {en_message: es_translation}
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zh_translations = {en_message: zh_translation}
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translations_map = {'es': es_translations,
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'zh': zh_translations}
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translator = fakes.FakeTranslations.translator(translations_map)
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mock_translation.side_effect = translator
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self.assertEqual(es_translation, message.translation('es'))
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self.assertEqual(zh_translation, message.translation('zh'))
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self.assertEqual(en_message, message.translation(None))
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self.assertEqual(en_message, message.translation('en'))
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self.assertEqual(en_message, message.translation('XX'))
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@mock.patch('gettext.translation')
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def test_translate_message_with_param(self, mock_translation):
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message_with_params = 'A message: %s'
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es_translation = 'A message in Spanish: %s'
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param = 'A Message param'
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translations = {message_with_params: es_translation}
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translator = fakes.FakeTranslations.translator({'es': translations})
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mock_translation.side_effect = translator
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msg = _message.Message(message_with_params)
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msg = msg % param
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default_translation = message_with_params % param
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expected_translation = es_translation % param
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self.assertEqual(expected_translation, msg.translation('es'))
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self.assertEqual(default_translation, msg.translation('XX'))
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@mock.patch('gettext.translation')
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@mock.patch('oslo_i18n._message.LOG')
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def test_translate_message_bad_translation(self,
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mock_log,
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mock_translation):
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message_with_params = 'A message: %s'
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es_translation = 'A message in Spanish: %s %s'
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param = 'A Message param'
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translations = {message_with_params: es_translation}
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translator = fakes.FakeTranslations.translator({'es': translations})
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mock_translation.side_effect = translator
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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msg = _message.Message(message_with_params)
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msg = msg % param
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default_translation = message_with_params % param
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self.assertEqual(default_translation, msg.translation('es'))
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self.assertEqual(1, len(w))
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# Note(gibi): in python 3.4 str.__repr__ does not put the unicode
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# marker 'u' in front of the string representations so the test
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# removes that to have the same result in python 2.7 and 3.4
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self.assertEqual("Failed to insert replacement values into "
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"translated message A message in Spanish: %s %s "
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"(Original: 'A message: %s'): "
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"not enough arguments for format string",
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str(w[0].message).replace("u'", "'"))
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mock_log.debug.assert_called_with(('Failed to insert replacement '
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'values into translated message '
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'%s (Original: %r): %s'),
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es_translation,
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message_with_params,
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mock.ANY)
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@mock.patch('gettext.translation')
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@mock.patch('locale.getlocale', return_value=('es', ''))
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@mock.patch('oslo_i18n._message.LOG')
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def test_translate_message_bad_default_translation(self,
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mock_log,
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mock_locale,
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mock_translation):
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message_with_params = 'A message: %s'
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es_translation = 'A message in Spanish: %s %s'
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param = 'A Message param'
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translations = {message_with_params: es_translation}
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translator = fakes.FakeTranslations.translator({'es': translations})
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mock_translation.side_effect = translator
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msg = _message.Message(message_with_params)
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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msg = msg % param
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self.assertEqual(1, len(w))
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# Note(gibi): in python 3.4 str.__repr__ does not put the unicode
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# marker 'u' in front of the string representations so the test
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# removes that to have the same result in python 2.7 and 3.4
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self.assertEqual("Failed to insert replacement values into "
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"translated message A message in Spanish: %s %s "
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"(Original: 'A message: %s'): "
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"not enough arguments for format string",
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str(w[0].message).replace("u'", "'"))
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mock_log.debug.assert_called_with(('Failed to insert replacement '
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'values into translated message '
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'%s (Original: %r): %s'),
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es_translation,
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message_with_params,
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mock.ANY)
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mock_log.reset_mock()
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default_translation = message_with_params % param
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self.assertEqual(default_translation, msg)
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self.assertFalse(mock_log.warning.called)
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@mock.patch('gettext.translation')
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def test_translate_message_with_object_param(self, mock_translation):
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message_with_params = 'A message: %s'
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es_translation = 'A message in Spanish: %s'
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param = 'A Message param'
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param_translation = 'A Message param in Spanish'
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translations = {message_with_params: es_translation,
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param: param_translation}
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translator = fakes.FakeTranslations.translator({'es': translations})
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mock_translation.side_effect = translator
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msg = _message.Message(message_with_params)
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param_msg = _message.Message(param)
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# Here we are testing translation of a Message with another object
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# that can be translated via its unicode() representation, this is
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# very common for instance when modding an Exception with a Message
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obj = utils.SomeObject(param_msg)
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msg = msg % obj
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default_translation = message_with_params % param
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expected_translation = es_translation % param_translation
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self.assertEqual(expected_translation, msg.translation('es'))
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self.assertEqual(default_translation, msg.translation('XX'))
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@mock.patch('gettext.translation')
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def test_translate_message_with_param_from_unicoded_obj(self,
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mock_translation):
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message_with_params = 'A message: %s'
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es_translation = 'A message in Spanish: %s'
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param = 'A Message param'
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translations = {message_with_params: es_translation}
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translator = fakes.FakeTranslations.translator({'es': translations})
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mock_translation.side_effect = translator
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msg = _message.Message(message_with_params)
|
|
msg = msg % param
|
|
|
|
default_translation = message_with_params % param
|
|
expected_translation = es_translation % param
|
|
|
|
obj = utils.SomeObject(msg)
|
|
unicoded_obj = str(obj)
|
|
|
|
self.assertEqual(expected_translation, unicoded_obj.translation('es'))
|
|
self.assertEqual(default_translation, unicoded_obj.translation('XX'))
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_translate_message_with_message_parameter(self, mock_translation):
|
|
message_with_params = 'A message with param: %s'
|
|
es_translation = 'A message with param in Spanish: %s'
|
|
message_param = 'A message param'
|
|
es_param_translation = 'A message param in Spanish'
|
|
|
|
translations = {message_with_params: es_translation,
|
|
message_param: es_param_translation}
|
|
translator = fakes.FakeTranslations.translator({'es': translations})
|
|
mock_translation.side_effect = translator
|
|
|
|
msg = _message.Message(message_with_params)
|
|
msg_param = _message.Message(message_param)
|
|
msg = msg % msg_param
|
|
|
|
default_translation = message_with_params % message_param
|
|
expected_translation = es_translation % es_param_translation
|
|
self.assertEqual(expected_translation, msg.translation('es'))
|
|
self.assertEqual(default_translation, msg.translation('XX'))
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_translate_message_with_message_parameters(self, mock_translation):
|
|
message_with_params = 'A message with params: %s %s'
|
|
es_translation = 'A message with params in Spanish: %s %s'
|
|
message_param = 'A message param'
|
|
es_param_translation = 'A message param in Spanish'
|
|
another_message_param = 'Another message param'
|
|
another_es_param_translation = 'Another message param in Spanish'
|
|
|
|
translations = {message_with_params: es_translation,
|
|
message_param: es_param_translation,
|
|
another_message_param: another_es_param_translation}
|
|
translator = fakes.FakeTranslations.translator({'es': translations})
|
|
mock_translation.side_effect = translator
|
|
|
|
msg = _message.Message(message_with_params)
|
|
param_1 = _message.Message(message_param)
|
|
param_2 = _message.Message(another_message_param)
|
|
msg = msg % (param_1, param_2)
|
|
|
|
default_translation = message_with_params % (message_param,
|
|
another_message_param)
|
|
expected_translation = es_translation % (es_param_translation,
|
|
another_es_param_translation)
|
|
self.assertEqual(expected_translation, msg.translation('es'))
|
|
self.assertEqual(default_translation, msg.translation('XX'))
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_translate_message_with_named_parameters(self, mock_translation):
|
|
message_with_params = 'A message with params: %(param)s'
|
|
es_translation = 'A message with params in Spanish: %(param)s'
|
|
message_param = 'A Message param'
|
|
es_param_translation = 'A message param in Spanish'
|
|
|
|
translations = {message_with_params: es_translation,
|
|
message_param: es_param_translation}
|
|
translator = fakes.FakeTranslations.translator({'es': translations})
|
|
mock_translation.side_effect = translator
|
|
|
|
msg = _message.Message(message_with_params)
|
|
msg_param = _message.Message(message_param)
|
|
msg = msg % {'param': msg_param}
|
|
|
|
default_translation = message_with_params % {'param': message_param}
|
|
expected_translation = es_translation % {'param': es_param_translation}
|
|
self.assertEqual(expected_translation, msg.translation('es'))
|
|
self.assertEqual(default_translation, msg.translation('XX'))
|
|
|
|
@mock.patch('locale.getlocale')
|
|
@mock.patch('gettext.translation')
|
|
def test_translate_message_non_default_locale(self,
|
|
mock_translation,
|
|
mock_locale):
|
|
message_with_params = 'A message with params: %(param)s'
|
|
es_translation = 'A message with params in Spanish: %(param)s'
|
|
zh_translation = 'A message with params in Chinese: %(param)s'
|
|
fr_translation = 'A message with params in French: %(param)s'
|
|
|
|
message_param = 'A Message param'
|
|
es_param_translation = 'A message param in Spanish'
|
|
zh_param_translation = 'A message param in Chinese'
|
|
fr_param_translation = 'A message param in French'
|
|
|
|
es_translations = {message_with_params: es_translation,
|
|
message_param: es_param_translation}
|
|
zh_translations = {message_with_params: zh_translation,
|
|
message_param: zh_param_translation}
|
|
fr_translations = {message_with_params: fr_translation,
|
|
message_param: fr_param_translation}
|
|
|
|
translator = fakes.FakeTranslations.translator({'es': es_translations,
|
|
'zh': zh_translations,
|
|
'fr': fr_translations})
|
|
mock_translation.side_effect = translator
|
|
mock_locale.return_value = ('es',)
|
|
|
|
msg = _message.Message(message_with_params)
|
|
msg_param = _message.Message(message_param)
|
|
msg = msg % {'param': msg_param}
|
|
|
|
es_translation = es_translation % {'param': es_param_translation}
|
|
zh_translation = zh_translation % {'param': zh_param_translation}
|
|
fr_translation = fr_translation % {'param': fr_param_translation}
|
|
|
|
# Because sys.getlocale() was Spanish,
|
|
# the default translation will be to Spanish
|
|
self.assertEqual(es_translation, msg)
|
|
self.assertEqual(es_translation, msg.translation())
|
|
self.assertEqual(es_translation, msg.translation('es'))
|
|
|
|
# Translation into other locales still works
|
|
self.assertEqual(zh_translation, msg.translation('zh'))
|
|
self.assertEqual(fr_translation, msg.translation('fr'))
|
|
|
|
|
|
class TranslateMsgidTest(test_base.BaseTestCase):
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_contextual(self, translation):
|
|
lang = mock.Mock()
|
|
translation.return_value = lang
|
|
trans = mock.Mock()
|
|
trans.return_value = 'translated'
|
|
lang.gettext = trans
|
|
lang.ugettext = trans
|
|
result = _message.Message._translate_msgid(
|
|
('context', 'message'),
|
|
domain='domain',
|
|
has_contextual_form=True,
|
|
has_plural_form=False,
|
|
)
|
|
self.assertEqual('translated', result)
|
|
trans.assert_called_with(
|
|
'context' + _message.CONTEXT_SEPARATOR + 'message'
|
|
)
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_contextual_untranslatable(self, translation):
|
|
msg_with_context = 'context' + _message.CONTEXT_SEPARATOR + 'message'
|
|
lang = mock.Mock()
|
|
translation.return_value = lang
|
|
trans = mock.Mock()
|
|
trans.return_value = msg_with_context
|
|
lang.gettext = trans
|
|
lang.ugettext = trans
|
|
result = _message.Message._translate_msgid(
|
|
('context', 'message'),
|
|
domain='domain',
|
|
has_contextual_form=True,
|
|
has_plural_form=False,
|
|
)
|
|
self.assertEqual('message', result)
|
|
trans.assert_called_with(msg_with_context)
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_plural(self, translation):
|
|
lang = mock.Mock()
|
|
translation.return_value = lang
|
|
trans = mock.Mock()
|
|
trans.return_value = 'translated'
|
|
lang.ngettext = trans
|
|
lang.ungettext = trans
|
|
result = _message.Message._translate_msgid(
|
|
('single', 'plural', -1),
|
|
domain='domain',
|
|
has_contextual_form=False,
|
|
has_plural_form=True,
|
|
)
|
|
self.assertEqual('translated', result)
|
|
trans.assert_called_with(
|
|
'single', 'plural', -1,
|
|
)
|
|
|
|
@mock.patch('gettext.translation')
|
|
def test_contextual_and_plural(self, translation):
|
|
self.assertRaises(
|
|
ValueError,
|
|
_message.Message._translate_msgid,
|
|
'nothing',
|
|
domain='domain',
|
|
has_contextual_form=True,
|
|
has_plural_form=True,
|
|
)
|