def test_merge_simple(self):
m = Merger()
l = Layer("1")
l.addChannel(1, 255)
l.addChannel(2, 127)
m.addLayer(l)
m.merge()
self.assertEqual(m.galaxy[1], 255)
self.assertEqual(m.galaxy[2], 127)
def test_merge_complete(self):
m = Merger()
l1 = Layer("1")
l1.addChannel(2, 1)
l1.addChannel(3, 255)
l1.addChannel(4, 127)
l2 = Layer("2")
l2.addChannel(3, 0, 0.5)
l2.addChannel(4, 255, "max")
l2.addChannel(5, 255, "min")
l3 = Layer("3")
l3.addChannel(2, 255, 0.3)
l4 = Layer("4")
l4.addChannel(2, 127, 0.6)
m.addLayer(l1)
m.addLayer(l2)
m.addLayer(l3)
m.addLayer(l4)
m.merge()
self.assertEqual(m.galaxy[1], 0)
self.assertEqual(m.galaxy[2], 107)
self.assertEqual(m.galaxy[3], 128)
self.assertEqual(m.galaxy[4], 255)
self.assertEqual(m.galaxy[5], 0)
