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# Authors:
#   Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2009  Red Hat
# see file 'COPYING' for use and warranty contextrmation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
Test the `ipalib.text` module.
"""

import os
import shutil
import tempfile
import re
import nose
import locale
from ipatests.util import raises, assert_equal
from ipatests.i18n import create_po, po_file_iterate
from ipalib.request import context
from ipalib import request
from ipalib import text
from ipapython.ipautil import file_exists

singular = '%(count)d goose makes a %(dish)s'
plural = '%(count)d geese make a %(dish)s'


def test_create_translation():
    f = text.create_translation
    key = ('foo', None)
    t = f(key)
    assert context.__dict__[key] is t


class test_TestLang(object):
    def setup(self):
        self.tmp_dir = None
        self.saved_lang  = None

        self.lang = 'xh_ZA'
        self.domain = 'ipa'

        self.ipa_i18n_dir = os.path.join(os.path.dirname(__file__), '../../install/po')

        self.pot_basename = '%s.pot' % self.domain
        self.po_basename = '%s.po' % self.lang
        self.mo_basename = '%s.mo' % self.domain

        self.tmp_dir = tempfile.mkdtemp()
        self.saved_lang  = os.environ['LANG']

        self.locale_dir = os.path.join(self.tmp_dir, 'test_locale')
        self.msg_dir = os.path.join(self.locale_dir, self.lang, 'LC_MESSAGES')

        if not os.path.exists(self.msg_dir):
            os.makedirs(self.msg_dir)

        self.pot_file = os.path.join(self.ipa_i18n_dir, self.pot_basename)
        self.mo_file = os.path.join(self.msg_dir, self.mo_basename)
        self.po_file = os.path.join(self.tmp_dir, self.po_basename)

        result = create_po(self.pot_file, self.po_file, self.mo_file)
        if result:
            raise nose.SkipTest('Unable to create po file "%s" & mo file "%s" from pot file "%s"' %
                                (self.po_file, self.mo_file, self.pot_file))

        if not file_exists(self.po_file):
            raise nose.SkipTest('Test po file unavailable, run "make test" in install/po')

        if not file_exists(self.mo_file):
            raise nose.SkipTest('Test mo file unavailable, run "make test" in install/po')

        self.po_file_iterate = po_file_iterate

    def teardown(self):
        if self.saved_lang is not None:
            os.environ['LANG'] = self.saved_lang

        if self.tmp_dir is not None:
            shutil.rmtree(self.tmp_dir)

    def test_test_lang(self):
        print "test_test_lang"
        # The test installs the test message catalog under the xh_ZA
        # (e.g. Zambia Xhosa) language by default. It would be nice to
        # use a dummy language not associated with any real language,
        # but the setlocale function demands the locale be a valid
        # known locale, Zambia Xhosa is a reasonable choice :)

        os.environ['LANG'] = self.lang

        # Create a gettext translation object specifying our domain as
        # 'ipa' and the locale_dir as 'test_locale' (i.e. where to
        # look for the message catalog). Then use that translation
        # object to obtain the translation functions.

        def get_msgstr(msg):
            gt = text.GettextFactory(localedir=self.locale_dir)(msg)
            return unicode(gt)

        def get_msgstr_plural(singular, plural, count):
            ng = text.NGettextFactory(localedir=self.locale_dir)(singular, plural, count)
            return ng(count)

        result = self.po_file_iterate(self.po_file, get_msgstr, get_msgstr_plural)
        assert result == 0

class test_LazyText(object):

    klass = text.LazyText

    def test_init(self):
        inst = self.klass('foo', 'bar')
        assert inst.domain == 'foo'
        assert inst.localedir == 'bar'
        assert inst.key == ('foo', 'bar')


class test_FixMe(object):
    klass = text.FixMe

    def test_init(self):
        inst = self.klass('user.label')
        assert inst.msg == 'user.label'
        assert inst.domain is None
        assert inst.localedir is None

    def test_repr(self):
        inst = self.klass('user.label')
        assert repr(inst) == "FixMe('user.label')"

    def test_unicode(self):
        inst = self.klass('user.label')
        assert unicode(inst) == u'<user.label>'
        assert type(unicode(inst)) is unicode


class test_Gettext(object):

    klass = text.Gettext

    def test_init(self):
        inst = self.klass('what up?', 'foo', 'bar')
        assert inst.domain == 'foo'
        assert inst.localedir == 'bar'
        assert inst.msg is 'what up?'
        assert inst.args == ('what up?', 'foo', 'bar')

    def test_repr(self):
        inst = self.klass('foo', 'bar', 'baz')
        assert repr(inst) == "Gettext('foo', domain='bar', localedir='baz')"

    def test_unicode(self):
        inst = self.klass('what up?', 'foo', 'bar')
        assert unicode(inst) == u'what up?'

    def test_mod(self):
        inst = self.klass('hello %(adj)s nurse', 'foo', 'bar')
        assert inst % dict(adj='naughty', stuff='junk') == 'hello naughty nurse'

    def test_eq(self):
        inst1 = self.klass('what up?', 'foo', 'bar')
        inst2 = self.klass('what up?', 'foo', 'bar')
        inst3 = self.klass('Hello world', 'foo', 'bar')
        inst4 = self.klass('what up?', 'foo', 'baz')

        assert (inst1 == inst1) is True
        assert (inst1 == inst2) is True
        assert (inst1 == inst3) is False
        assert (inst1 == inst4) is False

        # Test with args flipped
        assert (inst2 == inst1) is True
        assert (inst3 == inst1) is False
        assert (inst4 == inst1) is False

    def test_ne(self):
        inst1 = self.klass('what up?', 'foo', 'bar')
        inst2 = self.klass('what up?', 'foo', 'bar')
        inst3 = self.klass('Hello world', 'foo', 'bar')
        inst4 = self.klass('what up?', 'foo', 'baz')

        assert (inst1 != inst2) is False
        assert (inst1 != inst2) is False
        assert (inst1 != inst3) is True
        assert (inst1 != inst4) is True

        # Test with args flipped
        assert (inst2 != inst1) is False
        assert (inst3 != inst1) is True
        assert (inst4 != inst1) is True


class test_NGettext(object):

    klass = text.NGettext

    def test_init(self):
        inst = self.klass(singular, plural, 'foo', 'bar')
        assert inst.singular is singular
        assert inst.plural is plural
        assert inst.domain == 'foo'
        assert inst.localedir == 'bar'
        assert inst.args == (singular, plural, 'foo', 'bar')

    def test_repr(self):
        inst = self.klass('sig', 'plu', 'foo', 'bar')
        assert repr(inst) == \
            "NGettext('sig', 'plu', domain='foo', localedir='bar')"

    def test_call(self):
        inst = self.klass(singular, plural, 'foo', 'bar')
        assert inst(0) == plural
        assert inst(1) == singular
        assert inst(2) == plural
        assert inst(3) == plural

    def test_mod(self):
        inst = self.klass(singular, plural, 'foo', 'bar')
        assert inst % dict(count=0, dish='frown') == '0 geese make a frown'
        assert inst % dict(count=1, dish='stew') == '1 goose makes a stew'
        assert inst % dict(count=2, dish='pie') == '2 geese make a pie'

    def test_eq(self):
        inst1 = self.klass(singular, plural, 'foo', 'bar')
        inst2 = self.klass(singular, plural, 'foo', 'bar')
        inst3 = self.klass(singular, '%(count)d thingies', 'foo', 'bar')
        inst4 = self.klass(singular, plural, 'foo', 'baz')

        assert (inst1 == inst1) is True
        assert (inst1 == inst2) is True
        assert (inst1 == inst3) is False
        assert (inst1 == inst4) is False

        # Test with args flipped
        assert (inst2 == inst1) is True
        assert (inst3 == inst1) is False
        assert (inst4 == inst1) is False

    def test_ne(self):
        inst1 = self.klass(singular, plural, 'foo', 'bar')
        inst2 = self.klass(singular, plural, 'foo', 'bar')
        inst3 = self.klass(singular, '%(count)d thingies', 'foo', 'bar')
        inst4 = self.klass(singular, plural, 'foo', 'baz')

        assert (inst1 != inst2) is False
        assert (inst1 != inst2) is False
        assert (inst1 != inst3) is True
        assert (inst1 != inst4) is True

        # Test with args flipped
        assert (inst2 != inst1) is False
        assert (inst3 != inst1) is True
        assert (inst4 != inst1) is True


class test_GettextFactory(object):

    klass = text.GettextFactory

    def test_init(self):
        # Test with defaults:
        inst = self.klass()
        assert inst.domain == 'ipa'
        assert inst.localedir is None

        # Test with overrides:
        inst = self.klass('foo', 'bar')
        assert inst.domain == 'foo'
        assert inst.localedir == 'bar'

    def test_repr(self):
        # Test with defaults:
        inst = self.klass()
        assert repr(inst) == "GettextFactory(domain='ipa', localedir=None)"

        # Test with overrides:
        inst = self.klass('foo', 'bar')
        assert repr(inst) == "GettextFactory(domain='foo', localedir='bar')"

    def test_call(self):
        inst = self.klass('foo', 'bar')
        g = inst('what up?')
        assert type(g) is text.Gettext
        assert g.msg is 'what up?'
        assert g.domain == 'foo'
        assert g.localedir == 'bar'


class test_NGettextFactory(object):

    klass = text.NGettextFactory

    def test_init(self):
        # Test with defaults:
        inst = self.klass()
        assert inst.domain == 'ipa'
        assert inst.localedir is None

        # Test with overrides:
        inst = self.klass('foo', 'bar')
        assert inst.domain == 'foo'
        assert inst.localedir == 'bar'

    def test_repr(self):
        # Test with defaults:
        inst = self.klass()
        assert repr(inst) == "NGettextFactory(domain='ipa', localedir=None)"

        # Test with overrides:
        inst = self.klass('foo', 'bar')
        assert repr(inst) == "NGettextFactory(domain='foo', localedir='bar')"

    def test_call(self):
        inst = self.klass('foo', 'bar')
        ng = inst(singular, plural, 7)
        assert type(ng) is text.NGettext
        assert ng.singular is singular
        assert ng.plural is plural
        assert ng.domain == 'foo'
        assert ng.localedir == 'bar'


class test_ConcatenatedText(object):

    klass = text.ConcatenatedLazyText

    def test_init(self):
        lst = ['a', 'b', 'c', 3]
        inst = self.klass(*lst)
        assert inst.components == lst
        assert unicode(inst) == 'abc3'

    def test_repr(self):
        lazytext = text.Gettext('foo', 'bar', 'baz')
        inst = self.klass(lazytext)
        assert repr(inst) == "ConcatenatedLazyText([%r])" % lazytext

    def test_unicode(self):
        inst = self.klass('[', text.Gettext('green', 'foo', 'bar'), 1, ']')
        assert unicode(inst) == u'[green1]'

    def test_mod(self):
        inst = self.klass('[', text.Gettext('%(color)s', 'foo', 'bar'), ']')
        assert inst % dict(color='red', stuff='junk') == '[red]'

    def test_add(self):
        inst = (text.Gettext('pale ', 'foo', 'bar') +
                text.Gettext('blue', 'foo', 'bar'))
        assert unicode(inst) == 'pale blue'

        inst = (text.Gettext('bright ', 'foo', 'bar') +
                text.Gettext('pale ', 'foo', 'bar') +
                text.Gettext('blue', 'foo', 'bar'))
        assert unicode(inst) == 'bright pale blue'

        inst = text.Gettext('yellow', 'foo', 'bar') + '!'
        assert unicode(inst) == 'yellow!'

        inst = '!' + text.Gettext('yellow', 'foo', 'bar')
        assert unicode(inst) == '!yellow'

        inst = '!' + ('!' + text.Gettext('yellow', 'foo', 'bar'))
        assert unicode(inst) == '!!yellow'

        inst = (text.Gettext('yellow', 'foo', 'bar') + '!') + '!'
        assert unicode(inst) == 'yellow!!'


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