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cpython/Lib/test/test_gettext.py

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import os
import base64
import shutil
import gettext
import unittest
from test import support
# TODO:
# - Add new tests, for example for "dgettext"
# - Remove dummy tests, for example testing for single and double quotes
# has no sense, it would have if we were testing a parser (i.e. pygettext)
# - Tests should have only one assert.
GNU_MO_DATA = b'''\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==
'''
UMO_DATA = b'''\
3hIElQAAAAACAAAAHAAAACwAAAAFAAAAPAAAAAAAAABQAAAABAAAAFEAAAAPAQAAVgAAAAQAAABm
AQAAAQAAAAIAAAAAAAAAAAAAAAAAAAAAYWLDngBQcm9qZWN0LUlkLVZlcnNpb246IDIuMApQTy1S
ZXZpc2lvbi1EYXRlOiAyMDAzLTA0LTExIDEyOjQyLTA0MDAKTGFzdC1UcmFuc2xhdG9yOiBCYXJy
eSBBLiBXQXJzYXcgPGJhcnJ5QHB5dGhvbi5vcmc+Ckxhbmd1YWdlLVRlYW06IFhYIDxweXRob24t
ZGV2QHB5dGhvbi5vcmc+Ck1JTUUtVmVyc2lvbjogMS4wCkNvbnRlbnQtVHlwZTogdGV4dC9wbGFp
bjsgY2hhcnNldD11dGYtOApDb250ZW50LVRyYW5zZmVyLUVuY29kaW5nOiA3Yml0CkdlbmVyYXRl
ZC1CeTogbWFudWFsbHkKAMKkeXoA
'''
MMO_DATA = b'''\
3hIElQAAAAABAAAAHAAAACQAAAADAAAALAAAAAAAAAA4AAAAeAEAADkAAAABAAAAAAAAAAAAAAAA
UHJvamVjdC1JZC1WZXJzaW9uOiBObyBQcm9qZWN0IDAuMApQT1QtQ3JlYXRpb24tRGF0ZTogV2Vk
IERlYyAxMSAwNzo0NDoxNSAyMDAyClBPLVJldmlzaW9uLURhdGU6IDIwMDItMDgtMTQgMDE6MTg6
NTgrMDA6MDAKTGFzdC1UcmFuc2xhdG9yOiBKb2huIERvZSA8amRvZUBleGFtcGxlLmNvbT4KSmFu
ZSBGb29iYXIgPGpmb29iYXJAZXhhbXBsZS5jb20+Ckxhbmd1YWdlLVRlYW06IHh4IDx4eEBleGFt
cGxlLmNvbT4KTUlNRS1WZXJzaW9uOiAxLjAKQ29udGVudC1UeXBlOiB0ZXh0L3BsYWluOyBjaGFy
c2V0PWlzby04ODU5LTE1CkNvbnRlbnQtVHJhbnNmZXItRW5jb2Rpbmc6IHF1b3RlZC1wcmludGFi
bGUKR2VuZXJhdGVkLUJ5OiBweWdldHRleHQucHkgMS4zCgA=
'''
LOCALEDIR = os.path.join('xx', 'LC_MESSAGES')
MOFILE = os.path.join(LOCALEDIR, 'gettext.mo')
UMOFILE = os.path.join(LOCALEDIR, 'ugettext.mo')
MMOFILE = os.path.join(LOCALEDIR, 'metadata.mo')
class GettextBaseTest(unittest.TestCase):
def setUp(self):
if not os.path.isdir(LOCALEDIR):
os.makedirs(LOCALEDIR)
with open(MOFILE, 'wb') as fp:
fp.write(base64.decodebytes(GNU_MO_DATA))
with open(UMOFILE, 'wb') as fp:
fp.write(base64.decodebytes(UMO_DATA))
with open(MMOFILE, 'wb') as fp:
fp.write(base64.decodebytes(MMO_DATA))
self.env = support.EnvironmentVarGuard()
self.env['LANGUAGE'] = 'xx'
gettext._translations.clear()
def tearDown(self):
self.env.__exit__()
del self.env
support.rmtree(os.path.split(LOCALEDIR)[0])
class GettextTestCase1(GettextBaseTest):
def setUp(self):
GettextBaseTest.setUp(self)
self.localedir = os.curdir
self.mofile = MOFILE
gettext.install('gettext', self.localedir)
def test_some_translations(self):
eq = self.assertEqual
# test some translations
eq(_('albatross'), 'albatross')
eq(_('mullusk'), 'bacon')
eq(_(r'Raymond Luxury Yach-t'), 'Throatwobbler Mangrove')
eq(_(r'nudge nudge'), 'wink wink')
def test_double_quotes(self):
eq = self.assertEqual
# double quotes
eq(_("albatross"), 'albatross')
eq(_("mullusk"), 'bacon')
eq(_(r"Raymond Luxury Yach-t"), 'Throatwobbler Mangrove')
eq(_(r"nudge nudge"), 'wink wink')
def test_triple_single_quotes(self):
eq = self.assertEqual
# triple single quotes
eq(_('''albatross'''), 'albatross')
eq(_('''mullusk'''), 'bacon')
eq(_(r'''Raymond Luxury Yach-t'''), 'Throatwobbler Mangrove')
eq(_(r'''nudge nudge'''), 'wink wink')
def test_triple_double_quotes(self):
eq = self.assertEqual
# triple double quotes
eq(_("""albatross"""), 'albatross')
eq(_("""mullusk"""), 'bacon')
eq(_(r"""Raymond Luxury Yach-t"""), 'Throatwobbler Mangrove')
eq(_(r"""nudge nudge"""), 'wink wink')
def test_multiline_strings(self):
eq = self.assertEqual
# multiline strings
eq(_('''This module provides internationalization and localization
support for your Python programs by providing an interface to the GNU
gettext message catalog library.'''),
'''Guvf zbqhyr cebivqrf vagreangvbanyvmngvba naq ybpnyvmngvba
fhccbeg sbe lbhe Clguba cebtenzf ol cebivqvat na vagresnpr gb gur TAH
trggrkg zrffntr pngnybt yvoenel.''')
def test_the_alternative_interface(self):
eq = self.assertEqual
# test the alternative interface
with open(self.mofile, 'rb') as fp:
t = gettext.GNUTranslations(fp)
# Install the translation object
t.install()
eq(_('nudge nudge'), 'wink wink')
# Try unicode return type
t.install()
eq(_('mullusk'), 'bacon')
# Test installation of other methods
import builtins
t.install(names=["gettext", "lgettext"])
eq(_, t.gettext)
eq(builtins.gettext, t.gettext)
eq(lgettext, t.lgettext)
del builtins.gettext
del builtins.lgettext
class GettextTestCase2(GettextBaseTest):
def setUp(self):
GettextBaseTest.setUp(self)
self.localedir = os.curdir
# Set up the bindings
gettext.bindtextdomain('gettext', self.localedir)
gettext.textdomain('gettext')
# For convenience
self._ = gettext.gettext
def test_bindtextdomain(self):
self.assertEqual(gettext.bindtextdomain('gettext'), self.localedir)
def test_textdomain(self):
self.assertEqual(gettext.textdomain(), 'gettext')
def test_some_translations(self):
eq = self.assertEqual
# test some translations
eq(self._('albatross'), 'albatross')
eq(self._('mullusk'), 'bacon')
eq(self._(r'Raymond Luxury Yach-t'), 'Throatwobbler Mangrove')
eq(self._(r'nudge nudge'), 'wink wink')
def test_double_quotes(self):
eq = self.assertEqual
# double quotes
eq(self._("albatross"), 'albatross')
eq(self._("mullusk"), 'bacon')
eq(self._(r"Raymond Luxury Yach-t"), 'Throatwobbler Mangrove')
eq(self._(r"nudge nudge"), 'wink wink')
def test_triple_single_quotes(self):
eq = self.assertEqual
# triple single quotes
eq(self._('''albatross'''), 'albatross')
eq(self._('''mullusk'''), 'bacon')
eq(self._(r'''Raymond Luxury Yach-t'''), 'Throatwobbler Mangrove')
eq(self._(r'''nudge nudge'''), 'wink wink')
def test_triple_double_quotes(self):
eq = self.assertEqual
# triple double quotes
eq(self._("""albatross"""), 'albatross')
eq(self._("""mullusk"""), 'bacon')
eq(self._(r"""Raymond Luxury Yach-t"""), 'Throatwobbler Mangrove')
eq(self._(r"""nudge nudge"""), 'wink wink')
def test_multiline_strings(self):
eq = self.assertEqual
# multiline strings
eq(self._('''This module provides internationalization and localization
support for your Python programs by providing an interface to the GNU
gettext message catalog library.'''),
'''Guvf zbqhyr cebivqrf vagreangvbanyvmngvba naq ybpnyvmngvba
fhccbeg sbe lbhe Clguba cebtenzf ol cebivqvat na vagresnpr gb gur TAH
trggrkg zrffntr pngnybt yvoenel.''')
class PluralFormsTestCase(GettextBaseTest):
def setUp(self):
GettextBaseTest.setUp(self)
self.mofile = MOFILE
def test_plural_forms1(self):
eq = self.assertEqual
x = gettext.ngettext('There is %s file', 'There are %s files', 1)
eq(x, 'Hay %s fichero')
x = gettext.ngettext('There is %s file', 'There are %s files', 2)
eq(x, 'Hay %s ficheros')
def test_plural_forms2(self):
eq = self.assertEqual
with open(self.mofile, 'rb') as fp:
t = gettext.GNUTranslations(fp)
x = t.ngettext('There is %s file', 'There are %s files', 1)
eq(x, 'Hay %s fichero')
x = t.ngettext('There is %s file', 'There are %s files', 2)
eq(x, 'Hay %s ficheros')
def test_hu(self):
eq = self.assertEqual
f = gettext.c2py('0')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
def test_de(self):
eq = self.assertEqual
f = gettext.c2py('n != 1')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "10111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111")
def test_fr(self):
eq = self.assertEqual
f = gettext.c2py('n>1')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "00111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111")
def test_gd(self):
eq = self.assertEqual
f = gettext.c2py('n==1 ? 0 : n==2 ? 1 : 2')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "20122222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222")
def test_gd2(self):
eq = self.assertEqual
# Tests the combination of parentheses and "?:"
f = gettext.c2py('n==1 ? 0 : (n==2 ? 1 : 2)')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "20122222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222")
def test_lt(self):
eq = self.assertEqual
f = gettext.c2py('n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "20111111112222222222201111111120111111112011111111201111111120111111112011111111201111111120111111112011111111222222222220111111112011111111201111111120111111112011111111201111111120111111112011111111")
def test_ru(self):
eq = self.assertEqual
f = gettext.c2py('n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "20111222222222222222201112222220111222222011122222201112222220111222222011122222201112222220111222222011122222222222222220111222222011122222201112222220111222222011122222201112222220111222222011122222")
def test_pl(self):
eq = self.assertEqual
f = gettext.c2py('n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "20111222222222222222221112222222111222222211122222221112222222111222222211122222221112222222111222222211122222222222222222111222222211122222221112222222111222222211122222221112222222111222222211122222")
def test_sl(self):
eq = self.assertEqual
f = gettext.c2py('n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3')
s = ''.join([ str(f(x)) for x in range(200) ])
eq(s, "30122333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333012233333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333")
def test_security(self):
raises = self.assertRaises
# Test for a dangerous expression
raises(ValueError, gettext.c2py, "os.chmod('/etc/passwd',0777)")
class UnicodeTranslationsTest(GettextBaseTest):
def setUp(self):
GettextBaseTest.setUp(self)
with open(UMOFILE, 'rb') as fp:
self.t = gettext.GNUTranslations(fp)
self._ = self.t.gettext
def test_unicode_msgid(self):
unless = self.assertTrue
unless(isinstance(self._(''), str))
unless(isinstance(self._(''), str))
def test_unicode_msgstr(self):
eq = self.assertEqual
eq(self._('ab\xde'), '\xa4yz')
class WeirdMetadataTest(GettextBaseTest):
def setUp(self):
GettextBaseTest.setUp(self)
with open(MMOFILE, 'rb') as fp:
try:
self.t = gettext.GNUTranslations(fp)
except:
self.tearDown()
raise
def test_weird_metadata(self):
info = self.t.info()
self.assertEqual(len(info), 9)
self.assertEqual(info['last-translator'],
'John Doe <jdoe@example.com>\nJane Foobar <jfoobar@example.com>')
class DummyGNUTranslations(gettext.GNUTranslations):
def foo(self):
return 'foo'
class GettextCacheTestCase(GettextBaseTest):
def test_cache(self):
self.localedir = os.curdir
self.mofile = MOFILE
self.assertEqual(len(gettext._translations), 0)
t = gettext.translation('gettext', self.localedir)
self.assertEqual(len(gettext._translations), 1)
t = gettext.translation('gettext', self.localedir,
class_=DummyGNUTranslations)
self.assertEqual(len(gettext._translations), 2)
self.assertEqual(t.__class__, DummyGNUTranslations)
# Calling it again doesn't add to the cache
t = gettext.translation('gettext', self.localedir,
class_=DummyGNUTranslations)
self.assertEqual(len(gettext._translations), 2)
self.assertEqual(t.__class__, DummyGNUTranslations)
def test_main():
support.run_unittest(__name__)
if __name__ == '__main__':
test_main()
# For reference, here's the .po file used to created the GNU_MO_DATA above.
#
# The original version was automatically generated from the sources with
# pygettext. Later it was manually modified to add plural forms support.
'''
# Dummy translation for the Python test_gettext.py module.
# Copyright (C) 2001 Python Software Foundation
# Barry Warsaw <barry@python.org>, 2000.
#
msgid ""
msgstr ""
"Project-Id-Version: 2.0\n"
"PO-Revision-Date: 2003-04-11 14:32-0400\n"
"Last-Translator: J. David Ibanez <j-david@noos.fr>\n"
"Language-Team: XX <python-dev@python.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=iso-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: pygettext.py 1.1\n"
"Plural-Forms: nplurals=2; plural=n!=1;\n"
#: test_gettext.py:19 test_gettext.py:25 test_gettext.py:31 test_gettext.py:37
#: test_gettext.py:51 test_gettext.py:80 test_gettext.py:86 test_gettext.py:92
#: test_gettext.py:98
msgid "nudge nudge"
msgstr "wink wink"
#: test_gettext.py:16 test_gettext.py:22 test_gettext.py:28 test_gettext.py:34
#: test_gettext.py:77 test_gettext.py:83 test_gettext.py:89 test_gettext.py:95
msgid "albatross"
msgstr ""
#: test_gettext.py:18 test_gettext.py:24 test_gettext.py:30 test_gettext.py:36
#: test_gettext.py:79 test_gettext.py:85 test_gettext.py:91 test_gettext.py:97
msgid "Raymond Luxury Yach-t"
msgstr "Throatwobbler Mangrove"
#: test_gettext.py:17 test_gettext.py:23 test_gettext.py:29 test_gettext.py:35
#: test_gettext.py:56 test_gettext.py:78 test_gettext.py:84 test_gettext.py:90
#: test_gettext.py:96
msgid "mullusk"
msgstr "bacon"
#: test_gettext.py:40 test_gettext.py:101
msgid ""
"This module provides internationalization and localization\n"
"support for your Python programs by providing an interface to the GNU\n"
"gettext message catalog library."
msgstr ""
"Guvf zbqhyr cebivqrf vagreangvbanyvmngvba naq ybpnyvmngvba\n"
"fhccbeg sbe lbhe Clguba cebtenzf ol cebivqvat na vagresnpr gb gur TAH\n"
"trggrkg zrffntr pngnybt yvoenel."
# Manually added, as neither pygettext nor xgettext support plural forms
# in Python.
msgid "There is %s file"
msgid_plural "There are %s files"
msgstr[0] "Hay %s fichero"
msgstr[1] "Hay %s ficheros"
'''
# Here's the second example po file example, used to generate the UMO_DATA
# containing utf-8 encoded Unicode strings
'''
# Dummy translation for the Python test_gettext.py module.
# Copyright (C) 2001 Python Software Foundation
# Barry Warsaw <barry@python.org>, 2000.
#
msgid ""
msgstr ""
"Project-Id-Version: 2.0\n"
"PO-Revision-Date: 2003-04-11 12:42-0400\n"
"Last-Translator: Barry A. WArsaw <barry@python.org>\n"
"Language-Team: XX <python-dev@python.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 7bit\n"
"Generated-By: manually\n"
#: nofile:0
msgid "ab\xc3\x9e"
msgstr "\xc2\xa4yz"
'''
# Here's the third example po file, used to generate MMO_DATA
'''
msgid ""
msgstr ""
"Project-Id-Version: No Project 0.0\n"
"POT-Creation-Date: Wed Dec 11 07:44:15 2002\n"
"PO-Revision-Date: 2002-08-14 01:18:58+00:00\n"
"Last-Translator: John Doe <jdoe@example.com>\n"
"Jane Foobar <jfoobar@example.com>\n"
"Language-Team: xx <xx@example.com>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=iso-8859-15\n"
"Content-Transfer-Encoding: quoted-printable\n"
"Generated-By: pygettext.py 1.3\n"
'''
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