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import unittest
from test import test_support
from datetime import timedelta
from datetime import tzinfo
from datetime import time
from datetime import date, datetime
from java.util import Calendar, GregorianCalendar, TimeZone
from java.sql import Date, Time, Timestamp
class TestCalendar(unittest.TestCase):
def test_datetime(self):
self.assertTrue(hasattr(datetime, "__tojava__"))
x = datetime(2007, 1, 3)
y = x.__tojava__(Calendar)
self.assertIsInstance(y, GregorianCalendar)
self.assertEqual(y.get(Calendar.YEAR), 2007)
self.assertEqual(y.get(Calendar.MONTH), 0)
self.assertEqual(y.get(Calendar.DAY_OF_MONTH), 3)
self.assertEqual(y.get(Calendar.HOUR), 0)
self.assertEqual(y.get(Calendar.MINUTE), 0)
self.assertEqual(y.get(Calendar.SECOND), 0)
def test_date(self):
self.assertTrue(hasattr(date, "__tojava__"))
x = date(2007, 1, 3)
y = x.__tojava__(Calendar)
self.assertIsInstance(y, GregorianCalendar)
self.assertEqual(y.get(Calendar.YEAR), 2007)
self.assertEqual(y.get(Calendar.MONTH), 0)
self.assertEqual(y.get(Calendar.DAY_OF_MONTH), 3)
def test_time(self):
self.assertTrue(hasattr(time, "__tojava__"))
x = time(1, 3)
y = x.__tojava__(Calendar)
self.assertIsInstance(y, GregorianCalendar)
# Note obvious implementation details from GregorianCalendar
# and its definition in terms of the epoch
self.assertEqual(y.get(Calendar.YEAR), 1970)
self.assertEqual(y.get(Calendar.MONTH), 0)
self.assertEqual(y.get(Calendar.DAY_OF_MONTH), 1)
self.assertEqual(y.get(Calendar.HOUR), 1)
self.assertEqual(y.get(Calendar.MINUTE), 3)
self.assertEqual(y.get(Calendar.SECOND), 0)
class TestTimezone(unittest.TestCase):
def test_olson(self):
class GMT1(tzinfo):
def utcoffset(self, dt):
return timedelta(hours=1)
def dst(self, dt):
return timedelta(0)
def tzname(self,dt):
return "Europe/Prague"
self.assertTrue(hasattr(datetime, "__tojava__"))
x = datetime(2007, 1, 3, tzinfo=GMT1())
y = x.__tojava__(Calendar)
self.assertIsInstance(y, GregorianCalendar)
self.assertEqual(y.get(Calendar.YEAR), 2007)
self.assertEqual(y.get(Calendar.MONTH), 0)
self.assertEqual(y.get(Calendar.DAY_OF_MONTH), 3)
self.assertEqual(y.get(Calendar.HOUR), 0)
self.assertEqual(y.get(Calendar.MINUTE), 0)
self.assertEqual(y.get(Calendar.SECOND), 0)
self.assertEqual(y.getTimeZone().getID(), "Europe/Prague")
def test_offset(self):
class Offset(tzinfo):
def utcoffset(self, dt):
return timedelta(hours=1, minutes=15)
def dst(self, dt):
return timedelta(seconds=-900)
def tzname(self,dt):
return "Foo/Bar"
self.assertTrue(hasattr(datetime, "__tojava__"))
x = datetime(2007, 1, 3, tzinfo=Offset())
y = x.__tojava__(Calendar)
self.assertIsInstance(y, GregorianCalendar)
self.assertEqual(y.get(Calendar.YEAR), 2007)
self.assertEqual(y.get(Calendar.MONTH), 0)
self.assertEqual(y.get(Calendar.DAY_OF_MONTH), 3)
self.assertEqual(y.get(Calendar.HOUR), 0)
self.assertEqual(y.get(Calendar.MINUTE), 0)
self.assertEqual(y.get(Calendar.SECOND), 0)
self.assertEqual(y.getTimeZone().getID(), "UTC")
self.assertEqual(y.get(Calendar.DST_OFFSET), -900 * 1000)
self.assertEqual(y.get(Calendar.ZONE_OFFSET), 4500 * 1000)
class TestSQL(unittest.TestCase):
def test_datetime(self):
self.assertTrue(hasattr(datetime, "__tojava__"))
x = datetime(2007, 1, 3)
y = x.__tojava__(Timestamp)
self.assertIsInstance(y, Timestamp)
self.assertEqual(y.getTime(), (x - datetime(1970, 1, 1)).total_seconds() * 1000)
def test_date(self):
self.assertTrue(hasattr(date, "__tojava__"))
x = date(2007, 1, 3)
y = x.__tojava__(Date)
self.assertIsInstance(y, Date)
# Note that java.sql.Date operates regarding to default timezone, so adjust offset
off = TimeZone.getDefault().getRawOffset()
# It's sufficient for the date to fit; we modulo away the time, so this test
# won't run into TimeZone issues.
self.assertEqual((y.getTime()+off)//(1000*60*60*24),
(x - date(1970, 1, 1)).total_seconds()//(60*60*24))
def test_time(self):
self.assertTrue(hasattr(time, "__tojava__"))
x = time(1, 3)
y = x.__tojava__(Time)
self.assertIsInstance(y, Time)
epoch = y.getTime()/1000.
self.assertEqual(epoch // 3600, 1) # 1 hour
self.assertEqual(epoch % 3600, 180) # 3 minutes
def test_main():
test_support.run_unittest(
TestCalendar,
TestSQL,
TestTimezone)
if __name__ == '__main__':
test_main()
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