Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/algorithms/tests/test_hierarchy.py @ 0:4f3585e2f14b draft default tip
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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 |
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5 def test_hierarchy_exception(): |
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6 G = nx.cycle_graph(5) |
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7 pytest.raises(nx.NetworkXError, nx.flow_hierarchy, G) |
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8 |
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9 |
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10 def test_hierarchy_cycle(): |
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11 G = nx.cycle_graph(5, create_using=nx.DiGraph()) |
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12 assert nx.flow_hierarchy(G) == 0.0 |
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13 |
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14 |
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15 def test_hierarchy_tree(): |
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16 G = nx.full_rary_tree(2, 16, create_using=nx.DiGraph()) |
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17 assert nx.flow_hierarchy(G) == 1.0 |
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18 |
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19 |
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20 def test_hierarchy_1(): |
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21 G = nx.DiGraph() |
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22 G.add_edges_from([(0, 1), (1, 2), (2, 3), (3, 1), (3, 4), (0, 4)]) |
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23 assert nx.flow_hierarchy(G) == 0.5 |
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24 |
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25 |
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26 def test_hierarchy_weight(): |
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27 G = nx.DiGraph() |
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28 G.add_edges_from( |
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29 [ |
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30 (0, 1, {"weight": 0.3}), |
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31 (1, 2, {"weight": 0.1}), |
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32 (2, 3, {"weight": 0.1}), |
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33 (3, 1, {"weight": 0.1}), |
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34 (3, 4, {"weight": 0.3}), |
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35 (0, 4, {"weight": 0.3}), |
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36 ] |
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37 ) |
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38 assert nx.flow_hierarchy(G, weight="weight") == 0.75 |