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Viewing changes to bzrlib/tests/test_i18n.py

  • Committer: Ian Clatworthy
  • Date: 2007-08-13 14:16:53 UTC
  • mto: (2733.1.1 ianc-integration)
  • mto: This revision was merged to the branch mainline in revision 2734.
  • Revision ID: ian.clatworthy@internode.on.net-20070813141653-3cbrp00xowq58zv1
Added mini tutorial

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bzrlib/tests/test_i18n.py
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# Copyright (C) 2011 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for bzrlib.i18n"""
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from bzrlib import (
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    i18n,
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    tests,
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    errors,
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    workingtree,
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    )
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class ZzzTranslations(object):
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    """Special Zzz translation for debugging i18n stuff.
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    This class can be used to confirm that the message is properly translated
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    during black box tests.
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    """
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    _null_translation = i18n._gettext.NullTranslations()
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    def zzz(self, s):
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        return u'zz\xe5{{%s}}' % s
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    def ugettext(self, s):
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        return self.zzz(self._null_translation.ugettext(s))
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41
 
    def ungettext(self, s, p, n):
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        return self.zzz(self._null_translation.ungettext(s, p, n))
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44
 
 
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class TestZzzTranslation(tests.TestCase):
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    def _check_exact(self, expected, source):
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        self.assertEqual(expected, source)
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        self.assertEqual(type(expected), type(source))
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51
 
    def test_translation(self):
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        trans = ZzzTranslations()
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        t = trans.zzz('msg')
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        self._check_exact(u'zz\xe5{{msg}}', t)
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        t = trans.ugettext('msg')
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        self._check_exact(u'zz\xe5{{msg}}', t)
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        t = trans.ungettext('msg1', 'msg2', 0)
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        self._check_exact(u'zz\xe5{{msg2}}', t)
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        t = trans.ungettext('msg1', 'msg2', 2)
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        self._check_exact(u'zz\xe5{{msg2}}', t)
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        t = trans.ungettext('msg1', 'msg2', 1)
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        self._check_exact(u'zz\xe5{{msg1}}', t)
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class TestGetText(tests.TestCase):
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    def setUp(self):
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        super(TestGetText, self).setUp()
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        self.overrideAttr(i18n, '_translations', ZzzTranslations())
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    def test_oneline(self):
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        self.assertEqual(u"zz\xe5{{spam ham eggs}}",
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                         i18n.gettext("spam ham eggs"))
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    def test_multiline(self):
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        self.assertEqual(u"zz\xe5{{spam\nham\n\neggs\n}}",
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                         i18n.gettext("spam\nham\n\neggs\n"))
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class TestGetTextPerParagraph(tests.TestCase):
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    def setUp(self):
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        super(TestGetTextPerParagraph, self).setUp()
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        self.overrideAttr(i18n, '_translations', ZzzTranslations())
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    def test_oneline(self):
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        self.assertEqual(u"zz\xe5{{spam ham eggs}}",
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                         i18n.gettext_per_paragraph("spam ham eggs"))
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    def test_multiline(self):
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        self.assertEqual(u"zz\xe5{{spam\nham}}\n\nzz\xe5{{eggs\n}}",
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                         i18n.gettext_per_paragraph("spam\nham\n\neggs\n"))
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class TestInstall(tests.TestCase):
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    def setUp(self):
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        super(TestInstall, self).setUp()
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        # Restore a proper env to test translation installation
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        self.overrideAttr(i18n, '_translations', None)
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    def test_custom_languages(self):
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        i18n.install('nl:fy')
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        # Whether we found a valid tranlsation or not doesn't matter, we got
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        # one and _translations is not None anymore.
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        self.assertIsInstance(i18n._translations,
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                              i18n._gettext.NullTranslations)
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    def test_no_env_variables(self):
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        self.overrideEnv('LANGUAGE', None)
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        self.overrideEnv('LC_ALL', None)
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        self.overrideEnv('LC_MESSAGES', None)
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        self.overrideEnv('LANG', None)
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        i18n.install()
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        # Whether we found a valid tranlsation or not doesn't matter, we got
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        # one and _translations is not None anymore.
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        self.assertIsInstance(i18n._translations,
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                              i18n._gettext.NullTranslations)
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    def test_disable_i18n(self):
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        i18n.disable_i18n()
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        i18n.install()
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        # It's disabled, you can't install anything and we fallback to null
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        self.assertIsInstance(i18n._translations,
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                              i18n._gettext.NullTranslations)
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132
 
class TestTranslate(tests.TestCaseWithTransport):
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    def setUp(self):
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        super(TestTranslate, self).setUp()
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        self.overrideAttr(i18n, '_translations', ZzzTranslations())
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    def test_error_message_translation(self):
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        """do errors get translated?"""
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        err = None
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        tree = self.make_branch_and_tree('.')
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        try:
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            workingtree.WorkingTree.open('./foo')
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        except errors.NotBranchError,e:
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            err = str(e)
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        self.assertContainsRe(err, 
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                              u"zz\xe5{{Not a branch: .*}}".encode("utf-8"))
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    def test_topic_help_translation(self):
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        """does topic help get translated?"""
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        from bzrlib import help
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        from StringIO import StringIO
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        out = StringIO()
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        help.help("authentication", out)
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        self.assertContainsRe(out.getvalue(), "zz\xe5{{Authentication Settings")
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157
 
 
158
 
class LoadPluginTranslations(tests.TestCase):
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160
 
    def test_does_not_exist(self):
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        translation = i18n.load_plugin_translations("doesnotexist")
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        self.assertEquals("foo", translation.gettext("foo"))