def test_lstInRange(self):
# ra to lst: rads to hours
lst = TimeAgent.rad2hr(self.sesshun.target.horizontal)
# create the window range
utcStart = datetime(2009, 6, 1)
utcEnd = datetime(2009, 6, 2)
wr = WindowRange(window = self.w
, start_date = utcStart
, duration = (utcEnd - utcStart).days)
wr.save()
# any target should be in range, w/ out a buffer
inRange = wr.lstInRange(lst)
self.assertEquals(True, inRange)
# but with a big enough buffer, no target can be in range
buffer = 12.0
inRange = wr.lstInRange(lst, buffer = buffer)
self.assertEquals(False, inRange)
# make the buffer reasonable enough, and it passes again
buffer = 4.5
inRange = wr.lstInRange(lst, buffer = buffer)
self.assertEquals(True, inRange)
def lstOutOfRange(self):
"""
Are any of the window ranges just one day, with the
LST such that the session can't be scheduled?
"""
lst = TimeAgent.rad2hr(self.session.target.horizontal)
# how close can the lst be to the edges of the range?
buffer = (self.session.min_duration + self.session.max_duration) / 2.0
return [wr for wr in self.windowrange_set.all() \
if wr.duration == 1 and \
not wr.lstInRange(lst, buffer = buffer)]
def test_lstOutOfRange(self):
# ra to lst: rads to hours
lst = TimeAgent.rad2hr(self.sesshun.target.horizontal)
# this first window should not have a problem, since
# duration > 1 day
self.assertEquals(False, self.w.hasLstOutOfRange())
self.assertEquals(False, self.w.hasNoLstInRange())
# now create a one day window range
utcStart = datetime(2009, 6, 1)
utcEnd = datetime(2009, 6, 2)
wr = WindowRange(window = self.w
, start_date = utcStart
, duration = (utcEnd - utcStart).days)
wr.save()
# any target should be in range, w/ out a big buffer
self.assertEquals(False, self.w.hasLstOutOfRange())
self.assertEquals(False, self.w.hasNoLstInRange())
# now, increase the buffer:
self.sesshun.min_duration = 12.0
self.sesshunmax_duration = 12.0
self.sesshun.save()
self.assertEquals(True, self.w.hasLstOutOfRange())
self.assertEquals([wr], self.w.lstOutOfRange())
self.assertEquals(False, self.w.hasNoLstInRange())
# now, shrink the original window range so that it
# is too small as well
self.wr1.duration = 1
self.wr1.save()
self.assertEquals(True, self.w.hasLstOutOfRange())
self.assertEquals(True, self.w.hasNoLstInRange())
