def test_permutation_coloring(self):
g = Graph(directed=False, n=5)
h = Graph(directed=False, n=5)
vg_0, vg_1, vg_2, vg_3, vg_4 = g.vertices
vh_0, vh_1, vh_2, vh_3, vh_4 = h.vertices
coloring_p = Coloring()
p = Permutation(0, coloring=coloring_p, g=g)
self.assertEqual(0, len(p))
coloring_p.add([vg_0, vh_0])
coloring_p.add([vg_1, vh_1])
p = Permutation(2, coloring=coloring_p, g=g)
self.assertEqual(0, p.P[0])
self.assertEqual(1, p.P[1])
coloring_p = Coloring()
coloring_p.add([vg_0, vh_1])
coloring_p.add([vg_1, vh_0])
p = Permutation(2, coloring=coloring_p, g=g)
self.assertEqual(1, p.P[0])
self.assertEqual(0, p.P[1])
# TODO: deze test gaat nog mis...
coloring_p = Coloring()
coloring_p.add([vg_0, vh_1])
coloring_p.add([vg_1, vh_2])
coloring_p.add([vg_2, vh_3])
coloring_p.add([vg_3, vh_4])
coloring_p.add([vg_4, vh_0])
p = Permutation(5, coloring=coloring_p, g=g)
self.assertEqual(1, p.P[0])
self.assertEqual(2, p.P[1])
self.assertEqual(3, p.P[2])
self.assertEqual(4, p.P[3])
self.assertEqual(0, p.P[4])
def test_order_computation(
self): # TODO: to a testclass of basicpermutations
g = Graph(directed=False, n=6, name='g')
h = Graph(directed=False, n=6, name='h')
vg_0, vg_1, vg_2, vg_3, vg_4, vg_5 = g.vertices
vh_0, vh_1, vh_2, vh_3, vh_4, vh_5 = h.vertices
# mapping only to itself
coloring_p = Coloring()
coloring_p.add([vg_0, vh_0])
coloring_p.add([vg_1, vh_1])
p = Permutation(len(g.vertices), coloring=coloring_p)
H = [p]
self.assertEqual(1, order_computation(H))
# mapping to itself and 1 other node
coloring_p = Coloring()
coloring_p.add([vg_0, vh_1])
coloring_p.add([vg_1, vh_0])
p = Permutation(len(g.vertices), coloring=coloring_p)
H = [p]
self.assertEqual(2, order_computation(H))
# this is the permutation example of the lecture
coloring_p = Coloring()
coloring_p.add([vg_0, vh_1])
coloring_p.add([vg_1, vh_2])
coloring_p.add([vg_2, vh_0])
coloring_p.add([vg_4, vh_5])
coloring_p.add([vg_5, vh_4])
p = Permutation(6, coloring=coloring_p)
coloring_q = Coloring()
coloring_q.add([vg_2, vh_3])
coloring_q.add([vg_3, vh_2])
q = Permutation(6, coloring=coloring_q)
H = [p, q]
self.assertEqual(48, order_computation(H))
