def test_hourAngleIntersection(self):
h = Horizon()
# doesn't rise
self.assertEquals(0.0, h.hourAngleIntersection(-80.0))
# never sets
self.assertEquals(12.0, h.hourAngleIntersection(90.0))
# in between
self.assertAlmostEquals(5.567149, h.hourAngleIntersection(0.0), 3)
self.assertAlmostEquals(8.62116, h.hourAngleIntersection(45.0), 3)
