83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
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import pytest
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import networkx as nx
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def test_richclub():
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G = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (1, 4), (4, 5)])
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rc = nx.richclub.rich_club_coefficient(G, normalized=False)
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assert rc == {0: 12.0 / 30, 1: 8.0 / 12}
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# test single value
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rc0 = nx.richclub.rich_club_coefficient(G, normalized=False)[0]
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assert rc0 == 12.0 / 30.0
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def test_richclub_seed():
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G = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (1, 4), (4, 5)])
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rcNorm = nx.richclub.rich_club_coefficient(G, Q=2, seed=1)
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assert rcNorm == {0: 1.0, 1: 1.0}
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def test_richclub_normalized():
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G = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (1, 4), (4, 5)])
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rcNorm = nx.richclub.rich_club_coefficient(G, Q=2)
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assert rcNorm == {0: 1.0, 1: 1.0}
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def test_richclub2():
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T = nx.balanced_tree(2, 10)
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rc = nx.richclub.rich_club_coefficient(T, normalized=False)
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assert rc == {0: 4092 / (2047 * 2046.0),
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1: (2044.0 / (1023 * 1022)),
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2: (2040.0 / (1022 * 1021))}
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def test_richclub3():
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# tests edgecase
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G = nx.karate_club_graph()
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rc = nx.rich_club_coefficient(G, normalized=False)
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assert rc == {0: 156.0 / 1122,
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1: 154.0 / 1056,
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2: 110.0 / 462,
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3: 78.0 / 240,
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4: 44.0 / 90,
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5: 22.0 / 42,
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6: 10.0 / 20,
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7: 10.0 / 20,
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8: 10.0 / 20,
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9: 6.0 / 12,
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10: 2.0 / 6,
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11: 2.0 / 6,
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12: 0.0,
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13: 0.0,
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14: 0.0,
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15: 0.0, }
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def test_richclub4():
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G = nx.Graph()
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G.add_edges_from([(0, 1), (0, 2), (0, 3), (0, 4), (4, 5), (5, 9), (6, 9), (7, 9), (8, 9)])
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rc = nx.rich_club_coefficient(G, normalized=False)
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assert rc == {0: 18 / 90.0,
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1: 6 / 12.0,
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2: 0.0,
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3: 0.0}
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def test_richclub_exception():
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with pytest.raises(nx.NetworkXNotImplemented):
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G = nx.DiGraph()
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nx.rich_club_coefficient(G)
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def test_rich_club_exception2():
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with pytest.raises(nx.NetworkXNotImplemented):
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G = nx.MultiGraph()
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nx.rich_club_coefficient(G)
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# def test_richclub2_normalized():
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# T = nx.balanced_tree(2,10)
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# rcNorm = nx.richclub.rich_club_coefficient(T,Q=2)
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# assert_true(rcNorm[0] ==1.0 and rcNorm[1] < 0.9 and rcNorm[2] < 0.9)
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