Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/readwrite/json_graph/tests/test_tree.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 json |
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2 import pytest |
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3 import networkx as nx |
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4 from networkx.readwrite.json_graph import tree_data, tree_graph |
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5 |
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6 |
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7 class TestTree: |
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8 def test_graph(self): |
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9 G = nx.DiGraph() |
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10 G.add_nodes_from([1, 2, 3], color="red") |
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11 G.add_edge(1, 2, foo=7) |
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12 G.add_edge(1, 3, foo=10) |
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13 G.add_edge(3, 4, foo=10) |
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14 H = tree_graph(tree_data(G, 1)) |
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15 nx.is_isomorphic(G, H) |
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16 |
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17 def test_graph_attributes(self): |
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18 G = nx.DiGraph() |
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19 G.add_nodes_from([1, 2, 3], color="red") |
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20 G.add_edge(1, 2, foo=7) |
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21 G.add_edge(1, 3, foo=10) |
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22 G.add_edge(3, 4, foo=10) |
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23 H = tree_graph(tree_data(G, 1)) |
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24 assert H.nodes[1]["color"] == "red" |
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25 |
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26 d = json.dumps(tree_data(G, 1)) |
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27 H = tree_graph(json.loads(d)) |
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28 assert H.nodes[1]["color"] == "red" |
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29 |
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30 def test_exception(self): |
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31 with pytest.raises(nx.NetworkXError): |
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32 G = nx.MultiDiGraph() |
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33 G.add_node(0) |
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34 attrs = dict(id="node", children="node") |
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35 tree_data(G, 0, attrs) |