def test_pairwise(self):
a = [1, 2, 3]
b = [4, 5, 6]
c = [6, 7, 8]
it = [a, b, c]
pw = list(graph.pairwise(it))
self.assertListEqual(list(pw[0]), [a, b])
self.assertListEqual(list(pw[1]), [b, c])
def test_d3_forced_layout(self):
self.assertRaises(
NotImplementedError,
self.gr.d3_forced_layout
)
self.gr.node_labels_to_ints()
# list tuples (index, {'nodeID': index})
for node in self.gr.graph.nodes(data=True):
self.assertEqual(node[0], node[1]['nodeID'])
# get d3 layout and check source and target are present
# note I have set first label to zero
edges, nodes = self.gr.d3_forced_layout()
for pair in graph.pairwise([1, 2, 3]):
present = False
for edge in edges:
if (
edge['source'] == pair[0]-1 and
edge['target'] == pair[1]-1
):
present = True
self.assertTrue(present)
