# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2015 CERN.
#
# Invenio 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 2 of the
# License, or (at your option) any later version.
#
# Invenio 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 Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

from invenio.base.wrappers import lazy_import
from invenio.testsuite import InvenioTestCase, make_test_suite, run_test_suite

calculate_start_date = lazy_import(
    'invenio_comments.api:calculate_start_date')


class TestCalculateStartDate(InvenioTestCase):

    """Test for calculating previous date."""

    def test_previous_year(self):
        """webcomment - calculate_start_date, values bigger than one year"""
        self.assert_(int(calculate_start_date('1y')[:4]) > 2007)
        self.assert_(int(calculate_start_date('13m')[:4]) > 2007)
        self.assert_(int(calculate_start_date('55w')[:4]) > 2007)
        self.assert_(int(calculate_start_date('370d')[:4]) > 2007)

    def test_with_random_values(self):
        """webcomment - calculate_start_date, various random values"""
        self.assert_(calculate_start_date('1d') > '2009-07-08 14:39:39')
        self.assert_(calculate_start_date('2w') > '2009-07-08 14:39:39')
        self.assert_(calculate_start_date('2w') > '2009-06-25 14:46:31')
        self.assert_(calculate_start_date('2y') > '2007-07-09 14:50:43')
        self.assert_(calculate_start_date('6m') > '2009-01-09 14:51:10')
        self.assert_(calculate_start_date('77d') > '2009-04-23 14:51:31')
        self.assert_(calculate_start_date('20d') > '2009-06-19 14:51:55')
