Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/algorithms/operators/tests/test_unary.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 |
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5 def test_complement(): |
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6 null = nx.null_graph() |
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7 empty1 = nx.empty_graph(1) |
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8 empty10 = nx.empty_graph(10) |
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9 K3 = nx.complete_graph(3) |
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10 K5 = nx.complete_graph(5) |
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11 K10 = nx.complete_graph(10) |
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12 P2 = nx.path_graph(2) |
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13 P3 = nx.path_graph(3) |
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14 P5 = nx.path_graph(5) |
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15 P10 = nx.path_graph(10) |
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16 # complement of the complete graph is empty |
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17 |
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18 G = nx.complement(K3) |
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19 assert nx.is_isomorphic(G, nx.empty_graph(3)) |
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20 G = nx.complement(K5) |
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21 assert nx.is_isomorphic(G, nx.empty_graph(5)) |
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22 # for any G, G=complement(complement(G)) |
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23 P3cc = nx.complement(nx.complement(P3)) |
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24 assert nx.is_isomorphic(P3, P3cc) |
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25 nullcc = nx.complement(nx.complement(null)) |
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26 assert nx.is_isomorphic(null, nullcc) |
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27 b = nx.bull_graph() |
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28 bcc = nx.complement(nx.complement(b)) |
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29 assert nx.is_isomorphic(b, bcc) |
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30 |
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31 |
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32 def test_complement_2(): |
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33 G1 = nx.DiGraph() |
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34 G1.add_edge("A", "B") |
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35 G1.add_edge("A", "C") |
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36 G1.add_edge("A", "D") |
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37 G1C = nx.complement(G1) |
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38 assert sorted(G1C.edges()) == [ |
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39 ("B", "A"), |
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40 ("B", "C"), |
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41 ("B", "D"), |
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42 ("C", "A"), |
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43 ("C", "B"), |
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44 ("C", "D"), |
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45 ("D", "A"), |
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46 ("D", "B"), |
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47 ("D", "C"), |
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48 ] |
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49 |
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50 |
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51 def test_reverse1(): |
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52 # Other tests for reverse are done by the DiGraph and MultiDigraph. |
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53 G1 = nx.Graph() |
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54 pytest.raises(nx.NetworkXError, nx.reverse, G1) |