Mercurial > repos > shellac > sam_consensus_v3
annotate 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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1 import pytest |
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2 import networkx as nx |
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3 |
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4 # import random |
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5 # random.seed(0) |
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6 |
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7 |
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8 def test_double_edge_swap(): |
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9 graph = nx.barabasi_albert_graph(200, 1) |
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10 degrees = sorted(d for n, d in graph.degree()) |
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11 G = nx.double_edge_swap(graph, 40) |
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12 assert degrees == sorted(d for n, d in graph.degree()) |
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13 |
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14 |
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15 def test_double_edge_swap_seed(): |
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16 graph = nx.barabasi_albert_graph(200, 1) |
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17 degrees = sorted(d for n, d in graph.degree()) |
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18 G = nx.double_edge_swap(graph, 40, seed=1) |
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19 assert degrees == sorted(d for n, d in graph.degree()) |
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20 |
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21 |
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22 def test_connected_double_edge_swap(): |
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23 graph = nx.barabasi_albert_graph(200, 1) |
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24 degrees = sorted(d for n, d in graph.degree()) |
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25 G = nx.connected_double_edge_swap(graph, 40, seed=1) |
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26 assert nx.is_connected(graph) |
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27 assert degrees == sorted(d for n, d in graph.degree()) |
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28 |
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29 |
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30 def test_double_edge_swap_small(): |
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31 with pytest.raises(nx.NetworkXError): |
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32 G = nx.double_edge_swap(nx.path_graph(3)) |
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33 |
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34 |
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35 def test_double_edge_swap_tries(): |
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36 with pytest.raises(nx.NetworkXError): |
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37 G = nx.double_edge_swap(nx.path_graph(10), nswap=1, max_tries=0) |
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38 |
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39 |
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40 def test_connected_double_edge_swap_small(): |
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41 with pytest.raises(nx.NetworkXError): |
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42 G = nx.connected_double_edge_swap(nx.path_graph(3)) |
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43 |
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44 |
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45 def test_connected_double_edge_swap_not_connected(): |
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46 with pytest.raises(nx.NetworkXError): |
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47 G = nx.path_graph(3) |
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48 nx.add_path(G, [10, 11, 12]) |
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49 G = nx.connected_double_edge_swap(G) |
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50 |
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51 |
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52 def test_degree_seq_c4(): |
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53 G = nx.cycle_graph(4) |
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54 degrees = sorted(d for n, d in G.degree()) |
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55 G = nx.double_edge_swap(G, 1, 100) |
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56 assert degrees == sorted(d for n, d in G.degree()) |