#!/usr/bin/env python

"""
Test parsing of strings with multiple chunks
"""

import unittest, time, datetime
import parsedatetime.parsedatetime as pt


  # a special compare function is used to allow us to ignore the seconds as
  # the running of the test could cross a minute boundary
def _compareResults(result, check):
    target, t_flag = result
    value,  v_flag = check

    t_yr, t_mth, t_dy, t_hr, t_min, _, _, _, _ = target
    v_yr, v_mth, v_dy, v_hr, v_min, _, _, _, _ = value

    return ((t_yr == v_yr) and (t_mth == v_mth) and (t_dy == v_dy) and
            (t_hr == v_hr) and (t_min == v_min)) and (t_flag == v_flag)

class test(unittest.TestCase):
    def setUp(self):
        self.cal = pt.Calendar()
        self.yr, self.mth, self.dy, self.hr, self.mn, self.sec, self.wd, self.yd, self.isdst = time.localtime()

    def testSimpleMultipleItems(self):
        s = datetime.datetime.now()
        t = self.cal.inc(s, year=3) + datetime.timedelta(days=5, weeks=2)

        start  = s.timetuple()
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('3 years 2 weeks 5 days', start), (target, 1)))
        self.assertTrue(_compareResults(self.cal.parse('3years 2weeks 5days',    start), (target, 1)))

    def testMultipleItemsSingleCharUnits(self):
        s = datetime.datetime.now()
        t = self.cal.inc(s, year=3) + datetime.timedelta(days=5, weeks=2)

        start  = s.timetuple()
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('3 y 2 w 5 d', start), (target, 1)))
        self.assertTrue(_compareResults(self.cal.parse('3y 2w 5d',    start), (target, 1)))

        t      = self.cal.inc(s, year=3) + datetime.timedelta(hours=5, minutes=50)
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('3y 5h 50m', start), (target, 3)))


    def testMultipleItemsWithPunctuation(self):
        s = datetime.datetime.now()
        t = self.cal.inc(s, year=3) + datetime.timedelta(days=5, weeks=2)

        start  = s.timetuple()
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('3 years, 2 weeks, 5 days',    start), (target, 1)))
        self.assertTrue(_compareResults(self.cal.parse('3 years, 2 weeks and 5 days', start), (target, 1)))
        self.assertTrue(_compareResults(self.cal.parse('3y, 2w, 5d ',                 start), (target, 1)))


    def testUnixATStyle(self):
        s = datetime.datetime.now()
        t = s + datetime.timedelta(days=3)

        t = t.replace(hour=16, minute=0, second=0)

        start  = s.timetuple()
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('4pm + 3 days', start), (target, 3)))
        self.assertTrue(_compareResults(self.cal.parse('4pm +3 days',  start), (target, 3)))


    def testUnixATStyleNegative(self):
        s = datetime.datetime.now()
        t = s + datetime.timedelta(days=-3)

        t = t.replace(hour=16, minute=0, second=0)

        start  = s.timetuple()
        target = t.timetuple()

        self.assertTrue(_compareResults(self.cal.parse('4pm - 3 days', start), (target, 3)))
        self.assertTrue(_compareResults(self.cal.parse('4pm -3 days',  start), (target, 3)))


if __name__ == "__main__":
    unittest.main()
