#!/usr/bin/python
#
# Copyright (C) 2013 Martin Owens
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
"""
Test croniter extention to find out when items will next happen.
"""

import os
import sys
from datetime import datetime

sys.path.insert(0, '../')

import unittest
from crontab import CronTab
try:
    from test import test_support
except ImportError:
    from test import support as test_support

INITAL_TAB = """
# Basic Comment
20 * * * * execute # comment
"""

class BasicTestCase(unittest.TestCase):
    """Test basic functionality of crontab."""
    def setUp(self):
        self.crontab = CronTab(tab=INITAL_TAB)
        self.job = list(self.crontab.find_command('execute'))[0]

    def test_01_schedule(self):
        """Get Scheduler"""
        ct = self.job.schedule(datetime(2009, 10, 11, 5, 12, 10))
        self.assertTrue(ct)

    def test_02_next(self):
        """Get Next Scheduled Items"""
        ct = self.job.schedule(datetime(2000, 10, 11, 5, 12, 10))
        self.assertEqual(ct.get_next(), datetime(2000, 10, 11, 5, 20, 0))
        self.assertEqual(ct.get_next(), datetime(2000, 10, 11, 6, 20, 0))

    def test_02_prev(self):
        """Get Prev Scheduled Items"""
        ct = self.job.schedule(datetime(2001, 10, 11, 1, 12, 10))
        self.assertEqual(ct.get_prev(), datetime(2001, 10, 11, 0, 20, 0))
        self.assertEqual(ct.get_prev(), datetime(2001, 10, 10, 23, 20, 0))

if __name__ == '__main__':
    test_support.run_unittest(
       BasicTestCase,
    )