Mercurial > repos > shellac > sam_consensus_v3
comparison env/lib/python3.9/site-packages/networkx/generators/tests/test_cographs.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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-1:000000000000 | 0:4f3585e2f14b |
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1 """Unit tests for the :mod:`networkx.generators.cographs` module. | |
2 | |
3 """ | |
4 | |
5 import networkx as nx | |
6 | |
7 | |
8 def test_random_cograph(): | |
9 n = 3 | |
10 G = nx.random_cograph(n) | |
11 | |
12 assert len(G) == 2 ** n | |
13 | |
14 # Every connected subgraph of G has diameter <= 2 | |
15 if nx.is_connected(G): | |
16 assert nx.diameter(G) <= 2 | |
17 else: | |
18 components = nx.connected_components(G) | |
19 for component in components: | |
20 assert nx.diameter(G.subgraph(component)) <= 2 |