Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/readwrite/tests/test_adjlist.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 """ |
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2 Unit tests for adjlist. |
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3 """ |
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4 import io |
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5 import pytest |
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6 import os |
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7 import tempfile |
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8 import networkx as nx |
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9 from networkx.testing import assert_nodes_equal, assert_edges_equal, assert_graphs_equal |
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10 |
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11 |
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12 class TestAdjlist: |
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13 @classmethod |
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14 def setup_class(cls): |
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15 cls.G = nx.Graph(name="test") |
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16 e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] |
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17 cls.G.add_edges_from(e) |
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18 cls.G.add_node("g") |
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19 cls.DG = nx.DiGraph(cls.G) |
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20 cls.XG = nx.MultiGraph() |
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21 cls.XG.add_weighted_edges_from([(1, 2, 5), (1, 2, 5), (1, 2, 1), (3, 3, 42)]) |
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22 cls.XDG = nx.MultiDiGraph(cls.XG) |
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23 |
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24 def test_read_multiline_adjlist_1(self): |
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25 # Unit test for https://networkx.lanl.gov/trac/ticket/252 |
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26 s = b"""# comment line |
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27 1 2 |
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28 # comment line |
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29 2 |
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30 3 |
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31 """ |
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32 bytesIO = io.BytesIO(s) |
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33 G = nx.read_multiline_adjlist(bytesIO) |
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34 adj = {"1": {"3": {}, "2": {}}, "3": {"1": {}}, "2": {"1": {}}} |
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35 assert_graphs_equal(G, nx.Graph(adj)) |
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36 |
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37 def test_unicode(self): |
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38 G = nx.Graph() |
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39 name1 = chr(2344) + chr(123) + chr(6543) |
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40 name2 = chr(5543) + chr(1543) + chr(324) |
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41 G.add_edge(name1, "Radiohead", **{name2: 3}) |
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42 fd, fname = tempfile.mkstemp() |
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43 nx.write_multiline_adjlist(G, fname) |
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44 H = nx.read_multiline_adjlist(fname) |
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45 assert_graphs_equal(G, H) |
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46 os.close(fd) |
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47 os.unlink(fname) |
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48 |
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49 def test_latin1_err(self): |
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50 G = nx.Graph() |
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51 name1 = chr(2344) + chr(123) + chr(6543) |
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52 name2 = chr(5543) + chr(1543) + chr(324) |
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53 G.add_edge(name1, "Radiohead", **{name2: 3}) |
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54 fd, fname = tempfile.mkstemp() |
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55 pytest.raises( |
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56 UnicodeEncodeError, nx.write_multiline_adjlist, G, fname, encoding="latin-1" |
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57 ) |
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58 os.close(fd) |
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59 os.unlink(fname) |
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60 |
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61 def test_latin1(self): |
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62 G = nx.Graph() |
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63 name1 = "Bj" + chr(246) + "rk" |
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64 name2 = chr(220) + "ber" |
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65 G.add_edge(name1, "Radiohead", **{name2: 3}) |
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66 fd, fname = tempfile.mkstemp() |
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67 nx.write_multiline_adjlist(G, fname, encoding="latin-1") |
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68 H = nx.read_multiline_adjlist(fname, encoding="latin-1") |
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69 assert_graphs_equal(G, H) |
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70 os.close(fd) |
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71 os.unlink(fname) |
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72 |
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73 def test_parse_adjlist(self): |
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74 lines = ["1 2 5", "2 3 4", "3 5", "4", "5"] |
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75 nx.parse_adjlist(lines, nodetype=int) # smoke test |
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76 with pytest.raises(TypeError): |
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77 nx.parse_adjlist(lines, nodetype="int") |
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78 lines = ["1 2 5", "2 b", "c"] |
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79 with pytest.raises(TypeError): |
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80 nx.parse_adjlist(lines, nodetype=int) |
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81 |
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82 def test_adjlist_graph(self): |
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83 G = self.G |
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84 (fd, fname) = tempfile.mkstemp() |
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85 nx.write_adjlist(G, fname) |
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86 H = nx.read_adjlist(fname) |
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87 H2 = nx.read_adjlist(fname) |
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88 assert H != H2 # they should be different graphs |
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89 assert_nodes_equal(list(H), list(G)) |
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90 assert_edges_equal(list(H.edges()), list(G.edges())) |
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91 os.close(fd) |
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92 os.unlink(fname) |
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93 |
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94 def test_adjlist_digraph(self): |
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95 G = self.DG |
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96 (fd, fname) = tempfile.mkstemp() |
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97 nx.write_adjlist(G, fname) |
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98 H = nx.read_adjlist(fname, create_using=nx.DiGraph()) |
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99 H2 = nx.read_adjlist(fname, create_using=nx.DiGraph()) |
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100 assert H != H2 # they should be different graphs |
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101 assert_nodes_equal(list(H), list(G)) |
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102 assert_edges_equal(list(H.edges()), list(G.edges())) |
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103 os.close(fd) |
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104 os.unlink(fname) |
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105 |
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106 def test_adjlist_integers(self): |
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107 (fd, fname) = tempfile.mkstemp() |
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108 G = nx.convert_node_labels_to_integers(self.G) |
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109 nx.write_adjlist(G, fname) |
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110 H = nx.read_adjlist(fname, nodetype=int) |
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111 H2 = nx.read_adjlist(fname, nodetype=int) |
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112 assert H != H2 # they should be different graphs |
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113 assert_nodes_equal(list(H), list(G)) |
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114 assert_edges_equal(list(H.edges()), list(G.edges())) |
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115 os.close(fd) |
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116 os.unlink(fname) |
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117 |
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118 def test_adjlist_multigraph(self): |
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119 G = self.XG |
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120 (fd, fname) = tempfile.mkstemp() |
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121 nx.write_adjlist(G, fname) |
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122 H = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) |
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123 H2 = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) |
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124 assert H != H2 # they should be different graphs |
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125 assert_nodes_equal(list(H), list(G)) |
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126 assert_edges_equal(list(H.edges()), list(G.edges())) |
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127 os.close(fd) |
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128 os.unlink(fname) |
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129 |
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130 def test_adjlist_multidigraph(self): |
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131 G = self.XDG |
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132 (fd, fname) = tempfile.mkstemp() |
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133 nx.write_adjlist(G, fname) |
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134 H = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiDiGraph()) |
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135 H2 = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiDiGraph()) |
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136 assert H != H2 # they should be different graphs |
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137 assert_nodes_equal(list(H), list(G)) |
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138 assert_edges_equal(list(H.edges()), list(G.edges())) |
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139 os.close(fd) |
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140 os.unlink(fname) |
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141 |
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142 def test_adjlist_delimiter(self): |
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143 fh = io.BytesIO() |
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144 G = nx.path_graph(3) |
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145 nx.write_adjlist(G, fh, delimiter=":") |
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146 fh.seek(0) |
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147 H = nx.read_adjlist(fh, nodetype=int, delimiter=":") |
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148 assert_nodes_equal(list(H), list(G)) |
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149 assert_edges_equal(list(H.edges()), list(G.edges())) |
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150 |
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151 |
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152 class TestMultilineAdjlist: |
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153 @classmethod |
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154 def setup_class(cls): |
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155 cls.G = nx.Graph(name="test") |
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156 e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] |
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157 cls.G.add_edges_from(e) |
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158 cls.G.add_node("g") |
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159 cls.DG = nx.DiGraph(cls.G) |
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160 cls.DG.remove_edge("b", "a") |
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161 cls.DG.remove_edge("b", "c") |
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162 cls.XG = nx.MultiGraph() |
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163 cls.XG.add_weighted_edges_from([(1, 2, 5), (1, 2, 5), (1, 2, 1), (3, 3, 42)]) |
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164 cls.XDG = nx.MultiDiGraph(cls.XG) |
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165 |
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166 def test_parse_multiline_adjlist(self): |
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167 lines = [ |
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168 "1 2", |
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169 "b {'weight':3, 'name': 'Frodo'}", |
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170 "c {}", |
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171 "d 1", |
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172 "e {'weight':6, 'name': 'Saruman'}", |
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173 ] |
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174 nx.parse_multiline_adjlist(iter(lines)) # smoke test |
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175 with pytest.raises(TypeError): |
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176 nx.parse_multiline_adjlist(iter(lines), nodetype=int) |
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177 nx.parse_multiline_adjlist(iter(lines), edgetype=str) # smoke test |
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178 with pytest.raises(TypeError): |
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179 nx.parse_multiline_adjlist(iter(lines), nodetype=int) |
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180 lines = ["1 a"] |
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181 with pytest.raises(TypeError): |
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182 nx.parse_multiline_adjlist(iter(lines)) |
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183 lines = ["a 2"] |
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184 with pytest.raises(TypeError): |
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185 nx.parse_multiline_adjlist(iter(lines), nodetype=int) |
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186 lines = ["1 2"] |
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187 with pytest.raises(TypeError): |
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188 nx.parse_multiline_adjlist(iter(lines)) |
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189 lines = ["1 2", "2 {}"] |
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190 with pytest.raises(TypeError): |
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191 nx.parse_multiline_adjlist(iter(lines)) |
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192 |
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193 def test_multiline_adjlist_graph(self): |
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194 G = self.G |
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195 (fd, fname) = tempfile.mkstemp() |
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196 nx.write_multiline_adjlist(G, fname) |
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197 H = nx.read_multiline_adjlist(fname) |
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198 H2 = nx.read_multiline_adjlist(fname) |
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199 assert H != H2 # they should be different graphs |
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200 assert_nodes_equal(list(H), list(G)) |
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201 assert_edges_equal(list(H.edges()), list(G.edges())) |
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202 os.close(fd) |
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203 os.unlink(fname) |
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204 |
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205 def test_multiline_adjlist_digraph(self): |
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206 G = self.DG |
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207 (fd, fname) = tempfile.mkstemp() |
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208 nx.write_multiline_adjlist(G, fname) |
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209 H = nx.read_multiline_adjlist(fname, create_using=nx.DiGraph()) |
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210 H2 = nx.read_multiline_adjlist(fname, create_using=nx.DiGraph()) |
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211 assert H != H2 # they should be different graphs |
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212 assert_nodes_equal(list(H), list(G)) |
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213 assert_edges_equal(list(H.edges()), list(G.edges())) |
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214 os.close(fd) |
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215 os.unlink(fname) |
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216 |
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217 def test_multiline_adjlist_integers(self): |
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218 (fd, fname) = tempfile.mkstemp() |
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219 G = nx.convert_node_labels_to_integers(self.G) |
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220 nx.write_multiline_adjlist(G, fname) |
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221 H = nx.read_multiline_adjlist(fname, nodetype=int) |
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222 H2 = nx.read_multiline_adjlist(fname, nodetype=int) |
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223 assert H != H2 # they should be different graphs |
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224 assert_nodes_equal(list(H), list(G)) |
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225 assert_edges_equal(list(H.edges()), list(G.edges())) |
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226 os.close(fd) |
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227 os.unlink(fname) |
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228 |
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229 def test_multiline_adjlist_multigraph(self): |
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230 G = self.XG |
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231 (fd, fname) = tempfile.mkstemp() |
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232 nx.write_multiline_adjlist(G, fname) |
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233 H = nx.read_multiline_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) |
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234 H2 = nx.read_multiline_adjlist( |
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235 fname, nodetype=int, create_using=nx.MultiGraph() |
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236 ) |
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237 assert H != H2 # they should be different graphs |
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238 assert_nodes_equal(list(H), list(G)) |
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239 assert_edges_equal(list(H.edges()), list(G.edges())) |
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240 os.close(fd) |
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241 os.unlink(fname) |
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242 |
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243 def test_multiline_adjlist_multidigraph(self): |
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244 G = self.XDG |
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245 (fd, fname) = tempfile.mkstemp() |
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246 nx.write_multiline_adjlist(G, fname) |
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247 H = nx.read_multiline_adjlist( |
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248 fname, nodetype=int, create_using=nx.MultiDiGraph() |
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249 ) |
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250 H2 = nx.read_multiline_adjlist( |
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251 fname, nodetype=int, create_using=nx.MultiDiGraph() |
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252 ) |
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253 assert H != H2 # they should be different graphs |
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254 assert_nodes_equal(list(H), list(G)) |
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255 assert_edges_equal(list(H.edges()), list(G.edges())) |
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256 os.close(fd) |
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257 os.unlink(fname) |
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258 |
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259 def test_multiline_adjlist_delimiter(self): |
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260 fh = io.BytesIO() |
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261 G = nx.path_graph(3) |
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262 nx.write_multiline_adjlist(G, fh, delimiter=":") |
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263 fh.seek(0) |
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264 H = nx.read_multiline_adjlist(fh, nodetype=int, delimiter=":") |
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265 assert_nodes_equal(list(H), list(G)) |
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266 assert_edges_equal(list(H.edges()), list(G.edges())) |