Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/algorithms/centrality/tests/test_group.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 """ |
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2 Tests for Group Centrality Measures |
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3 """ |
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4 |
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5 |
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6 import pytest |
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7 import networkx as nx |
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8 |
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9 |
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10 class TestGroupBetweennessCentrality: |
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11 def test_group_betweenness_single_node(self): |
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12 """ |
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13 Group betweenness centrality for single node group |
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14 """ |
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15 G = nx.path_graph(5) |
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16 C = [1] |
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17 b = nx.group_betweenness_centrality(G, C, weight=None, normalized=False) |
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18 b_answer = 3.0 |
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19 assert b == b_answer |
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20 |
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21 def test_group_betweenness_normalized(self): |
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22 """ |
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23 Group betweenness centrality for group with more than |
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24 1 node and normalized |
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25 """ |
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26 G = nx.path_graph(5) |
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27 C = [1, 3] |
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28 b = nx.group_betweenness_centrality(G, C, weight=None, normalized=True) |
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29 b_answer = 1.0 |
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30 assert b == b_answer |
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31 |
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32 def test_group_betweenness_value_zero(self): |
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33 """ |
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34 Group betweenness centrality value of 0 |
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35 """ |
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36 G = nx.cycle_graph(6) |
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37 C = [0, 1, 5] |
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38 b = nx.group_betweenness_centrality(G, C, weight=None) |
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39 b_answer = 0.0 |
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40 assert b == b_answer |
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41 |
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42 def test_group_betweenness_disconnected_graph(self): |
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43 """ |
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44 Group betweenness centrality in a disconnected graph |
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45 """ |
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46 G = nx.path_graph(5) |
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47 G.remove_edge(0, 1) |
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48 C = [1] |
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49 b = nx.group_betweenness_centrality(G, C, weight=None) |
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50 b_answer = 0.0 |
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51 assert b == b_answer |
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52 |
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53 def test_group_betweenness_node_not_in_graph(self): |
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54 """ |
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55 Node(s) in C not in graph, raises NodeNotFound exception |
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56 """ |
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57 with pytest.raises(nx.NodeNotFound): |
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58 b = nx.group_betweenness_centrality(nx.path_graph(5), [6, 7, 8]) |
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59 |
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60 |
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61 class TestGroupClosenessCentrality: |
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62 def test_group_closeness_single_node(self): |
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63 """ |
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64 Group closeness centrality for a single node group |
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65 """ |
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66 G = nx.path_graph(5) |
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67 c = nx.group_closeness_centrality(G, [1]) |
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68 c_answer = nx.closeness_centrality(G, 1) |
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69 assert c == c_answer |
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70 |
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71 def test_group_closeness_disconnected(self): |
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72 """ |
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73 Group closeness centrality for a disconnected graph |
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74 """ |
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75 G = nx.Graph() |
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76 G.add_nodes_from([1, 2, 3, 4]) |
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77 c = nx.group_closeness_centrality(G, [1, 2]) |
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78 c_answer = 0 |
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79 assert c == c_answer |
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80 |
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81 def test_group_closeness_multiple_node(self): |
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82 """ |
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83 Group closeness centrality for a group with more than |
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84 1 node |
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85 """ |
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86 G = nx.path_graph(4) |
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87 c = nx.group_closeness_centrality(G, [1, 2]) |
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88 c_answer = 1 |
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89 assert c == c_answer |
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90 |
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91 def test_group_closeness_node_not_in_graph(self): |
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92 """ |
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93 Node(s) in S not in graph, raises NodeNotFound exception |
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94 """ |
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95 with pytest.raises(nx.NodeNotFound): |
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96 c = nx.group_closeness_centrality(nx.path_graph(5), [6, 7, 8]) |
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97 |
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98 |
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99 class TestGroupDegreeCentrality: |
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100 def test_group_degree_centrality_single_node(self): |
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101 """ |
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102 Group degree centrality for a single node group |
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103 """ |
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104 G = nx.path_graph(4) |
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105 d = nx.group_degree_centrality(G, [1]) |
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106 d_answer = nx.degree_centrality(G)[1] |
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107 assert d == d_answer |
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108 |
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109 def test_group_degree_centrality_multiple_node(self): |
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110 """ |
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111 Group degree centrality for group with more than |
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112 1 node |
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113 """ |
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114 G = nx.Graph() |
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115 G.add_nodes_from([1, 2, 3, 4, 5, 6, 7, 8]) |
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116 G.add_edges_from( |
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117 [(1, 2), (1, 3), (1, 6), (1, 7), (1, 8), (2, 3), (2, 4), (2, 5)] |
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118 ) |
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119 d = nx.group_degree_centrality(G, [1, 2]) |
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120 d_answer = 1 |
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121 assert d == d_answer |
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122 |
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123 def test_group_in_degree_centrality(self): |
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124 """ |
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125 Group in-degree centrality in a DiGraph |
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126 """ |
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127 G = nx.DiGraph() |
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128 G.add_nodes_from([1, 2, 3, 4, 5, 6, 7, 8]) |
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129 G.add_edges_from( |
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130 [(1, 2), (1, 3), (1, 6), (1, 7), (1, 8), (2, 3), (2, 4), (2, 5)] |
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131 ) |
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132 d = nx.group_in_degree_centrality(G, [1, 2]) |
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133 d_answer = 0 |
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134 assert d == d_answer |
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135 |
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136 def test_group_out_degree_centrality(self): |
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137 """ |
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138 Group out-degree centrality in a DiGraph |
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139 """ |
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140 G = nx.DiGraph() |
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141 G.add_nodes_from([1, 2, 3, 4, 5, 6, 7, 8]) |
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142 G.add_edges_from( |
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143 [(1, 2), (1, 3), (1, 6), (1, 7), (1, 8), (2, 3), (2, 4), (2, 5)] |
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144 ) |
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145 d = nx.group_out_degree_centrality(G, [1, 2]) |
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146 d_answer = 1 |
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147 assert d == d_answer |
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148 |
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149 def test_group_degree_centrality_node_not_in_graph(self): |
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150 """ |
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151 Node(s) in S not in graph, raises NetworkXError |
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152 """ |
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153 with pytest.raises(nx.NetworkXError): |
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154 b = nx.group_degree_centrality(nx.path_graph(5), [6, 7, 8]) |