def test_generates_correct_num_north_edges(self):
edges, paths = generate_edges_and_paths(3,3)
north_edges = filter(lambda e: e[2] == NORTH, edges)
self.assertEqual(len(north_edges), 6)
def test_generates_correct_num_edges(self):
edges, paths = generate_edges_and_paths(3,3)
self.assertEqual(len(edges), 12)
def test_generates_correct_num_east_edges(self):
edges, paths = generate_edges_and_paths(3,3)
east_edges = filter(lambda e: e[2] == EAST, edges)
self.assertEqual(len(east_edges), 6)