# -*- coding: iso-8859-1 -*-

# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb 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 Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""unit tests for i18n messages generator"""

import os, os.path as osp

import sys

from logilab.common.testlib import TestCase, unittest_main

from cubicweb.cwconfig import CubicWebNoAppConfiguration

DATADIR = osp.join(osp.abspath(osp.dirname(__file__)), 'data')

def load_po(fname):

    """load a po file and  return a set of encountered (msgid, msgctx)"""

    msgs = set()

    msgid = msgctxt = None

    for line in open(fname):

        if line.strip() in ('', '#'):

            continue

        if line.startswith('msgstr'):

            assert not (msgid, msgctxt) in msgs

            msgs.add( (msgid, msgctxt) )

            msgid = msgctxt = None

        elif line.startswith('msgid'):

            msgid = line.split(' ', 1)[1][1:-1]

        elif line.startswith('msgctx'):

            msgctxt = line.split(' ', 1)[1][1: -1]

        elif msgid is not None:

            msgid += line[1:-1]

        elif msgctxt is not None:

            msgctxt += line[1:-1]

    return msgs

class cubePotGeneratorTC(TestCase):

    """test case for i18n pot file generator"""

    def setUp(self):

        self._CUBES_PATH = CubicWebNoAppConfiguration.CUBES_PATH[:]

        CubicWebNoAppConfiguration.CUBES_PATH.append(osp.join(DATADIR, 'cubes'))

        CubicWebNoAppConfiguration.cls_adjust_sys_path()

    def tearDown(self):

        CubicWebNoAppConfiguration.CUBES_PATH[:] = self._CUBES_PATH

    def test_i18ncube(self):

        # MUST import here to make, since the import statement fire

        # the cube paths setup (and then must occur after the setUp)

        from cubicweb.devtools.devctl import update_cube_catalogs

        cube = osp.join(DATADIR, 'cubes', 'i18ntestcube')

        msgs = load_po(osp.join(cube, 'i18n', 'en.po.ref'))

        update_cube_catalogs(cube)

        newmsgs = load_po(osp.join(cube, 'i18n', 'en.po'))

        self.assertEqual(msgs, newmsgs)

if __name__ == '__main__':

    # XXX dirty hack to make this test runnable using python (works

    # fine with pytest, but not with python directly if this hack is

    # not present)

    # XXX to remove ASA logilab.common is fixed

    sys.path.append('')

    unittest_main()