def test_dtfraction(self):
dt1 = datetime(1,1,1,0,0,0)
dt2 = datetime(1,1,2,0,0,0)
dt3 = datetime(1,1,3,0,0,0)
self.assertEqual(0., dtfraction(dt1, dt1, dt1))
self.assertEqual(1., dtfraction(dt1, dt3, dt3))
self.assertEqual(0., dtfraction(dt1, dt1, dt3))
self.assertEqual(.5, dtfraction(dt1, dt2, dt3))
def test_dtfraction_with_time(self):
dt1 = datetime(1,1,1,0,0,0)
dt2 = datetime(1,1,2,0,0,1)
dt3 = datetime(1,1,3,0,0,0)
self.assertEqual(0., dtfraction(dt1, dt1, dt1))
self.assertEqual(1., dtfraction(dt1, dt2, dt2))
self.assertEqual(0., dtfraction(dt1, dt1, dt3))
self.assertAlmostEqual(0.5000057870370371,
dtfraction(dt1, dt2, dt3), places=15)
dt2 = datetime(1,1,2,0,0,0,1)
self.assertEqual(0., dtfraction(dt1, dt1, dt1))
self.assertEqual(1., dtfraction(dt1, dt2, dt2))
self.assertEqual(0., dtfraction(dt1, dt1, dt3))
self.assertAlmostEqual(0.5000000000057869,
dtfraction(dt1, dt2, dt3), places=15)