Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/networkx/algorithms/tests/test_swap.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/networkx/algorithms/tests/test_swap.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,56 @@ +import pytest +import networkx as nx + +# import random +# random.seed(0) + + +def test_double_edge_swap(): + graph = nx.barabasi_albert_graph(200, 1) + degrees = sorted(d for n, d in graph.degree()) + G = nx.double_edge_swap(graph, 40) + assert degrees == sorted(d for n, d in graph.degree()) + + +def test_double_edge_swap_seed(): + graph = nx.barabasi_albert_graph(200, 1) + degrees = sorted(d for n, d in graph.degree()) + G = nx.double_edge_swap(graph, 40, seed=1) + assert degrees == sorted(d for n, d in graph.degree()) + + +def test_connected_double_edge_swap(): + graph = nx.barabasi_albert_graph(200, 1) + degrees = sorted(d for n, d in graph.degree()) + G = nx.connected_double_edge_swap(graph, 40, seed=1) + assert nx.is_connected(graph) + assert degrees == sorted(d for n, d in graph.degree()) + + +def test_double_edge_swap_small(): + with pytest.raises(nx.NetworkXError): + G = nx.double_edge_swap(nx.path_graph(3)) + + +def test_double_edge_swap_tries(): + with pytest.raises(nx.NetworkXError): + G = nx.double_edge_swap(nx.path_graph(10), nswap=1, max_tries=0) + + +def test_connected_double_edge_swap_small(): + with pytest.raises(nx.NetworkXError): + G = nx.connected_double_edge_swap(nx.path_graph(3)) + + +def test_connected_double_edge_swap_not_connected(): + with pytest.raises(nx.NetworkXError): + G = nx.path_graph(3) + nx.add_path(G, [10, 11, 12]) + G = nx.connected_double_edge_swap(G) + + +def test_degree_seq_c4(): + G = nx.cycle_graph(4) + degrees = sorted(d for n, d in G.degree()) + G = nx.double_edge_swap(G, 1, 100) + assert degrees == sorted(d for n, d in G.degree())