def test_getSunSet(self):
sun = Sun()
# close to the winter solstice
dt = date(2011, 12, 25)
set = TimeAgent.quarter(sun.getSunSet(dt))
# 22:00 UT
self.assertEqual(datetime(2011, 12, 25, 22, 0), set)
# close to the summer solstice
dt = date(2012, 6, 25)
set = TimeAgent.quarter(sun.getSunSet(dt))
# 00:45 UT ON THE NEXT DAY
self.assertEqual(datetime(2012, 6, 26, 0, 45), set)
