Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/utils/tests/test_decorators.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 tempfile |
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2 import os |
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3 import pathlib |
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4 import random |
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5 |
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6 import pytest |
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7 |
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8 import networkx as nx |
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9 from networkx.utils.decorators import open_file, not_implemented_for |
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10 from networkx.utils.decorators import ( |
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11 preserve_random_state, |
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12 py_random_state, |
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13 np_random_state, |
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14 random_state, |
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15 ) |
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16 from networkx.utils.misc import PythonRandomInterface |
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17 |
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18 |
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19 def test_not_implemented_decorator(): |
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20 @not_implemented_for("directed") |
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21 def test1(G): |
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22 pass |
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23 |
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24 test1(nx.Graph()) |
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25 |
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26 |
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27 def test_not_implemented_decorator_key(): |
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28 with pytest.raises(KeyError): |
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29 |
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30 @not_implemented_for("foo") |
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31 def test1(G): |
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32 pass |
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33 |
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34 test1(nx.Graph()) |
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35 |
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36 |
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37 def test_not_implemented_decorator_raise(): |
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38 with pytest.raises(nx.NetworkXNotImplemented): |
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39 |
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40 @not_implemented_for("graph") |
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41 def test1(G): |
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42 pass |
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43 |
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44 test1(nx.Graph()) |
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45 |
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46 |
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47 class TestOpenFileDecorator: |
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48 def setup_method(self): |
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49 self.text = ["Blah... ", "BLAH ", "BLAH!!!!"] |
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50 self.fobj = tempfile.NamedTemporaryFile("wb+", delete=False) |
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51 self.name = self.fobj.name |
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52 |
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53 def teardown_method(self): |
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54 self.fobj.close() |
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55 os.unlink(self.name) |
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56 |
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57 def write(self, path): |
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58 for text in self.text: |
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59 path.write(text.encode("ascii")) |
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60 |
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61 @open_file(1, "r") |
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62 def read(self, path): |
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63 return path.readlines()[0] |
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64 |
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65 @staticmethod |
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66 @open_file(0, "wb") |
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67 def writer_arg0(path): |
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68 path.write(b"demo") |
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69 |
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70 @open_file(1, "wb+") |
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71 def writer_arg1(self, path): |
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72 self.write(path) |
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73 |
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74 @open_file(2, "wb") |
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75 def writer_arg2default(self, x, path=None): |
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76 if path is None: |
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77 with tempfile.NamedTemporaryFile("wb+") as fh: |
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78 self.write(fh) |
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79 else: |
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80 self.write(path) |
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81 |
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82 @open_file(4, "wb") |
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83 def writer_arg4default(self, x, y, other="hello", path=None, **kwargs): |
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84 if path is None: |
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85 with tempfile.NamedTemporaryFile("wb+") as fh: |
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86 self.write(fh) |
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87 else: |
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88 self.write(path) |
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89 |
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90 @open_file("path", "wb") |
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91 def writer_kwarg(self, **kwargs): |
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92 path = kwargs.get("path", None) |
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93 if path is None: |
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94 with tempfile.NamedTemporaryFile("wb+") as fh: |
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95 self.write(fh) |
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96 else: |
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97 self.write(path) |
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98 |
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99 def test_writer_arg0_str(self): |
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100 self.writer_arg0(self.name) |
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101 |
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102 def test_writer_arg0_fobj(self): |
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103 self.writer_arg0(self.fobj) |
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104 |
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105 def test_writer_arg0_pathlib(self): |
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106 self.writer_arg0(pathlib.Path(self.name)) |
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107 |
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108 def test_writer_arg1_str(self): |
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109 self.writer_arg1(self.name) |
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110 assert self.read(self.name) == "".join(self.text) |
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111 |
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112 def test_writer_arg1_fobj(self): |
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113 self.writer_arg1(self.fobj) |
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114 assert not self.fobj.closed |
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115 self.fobj.close() |
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116 assert self.read(self.name) == "".join(self.text) |
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117 |
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118 def test_writer_arg2default_str(self): |
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119 self.writer_arg2default(0, path=None) |
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120 self.writer_arg2default(0, path=self.name) |
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121 assert self.read(self.name) == "".join(self.text) |
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122 |
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123 def test_writer_arg2default_fobj(self): |
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124 self.writer_arg2default(0, path=self.fobj) |
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125 assert not self.fobj.closed |
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126 self.fobj.close() |
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127 assert self.read(self.name) == "".join(self.text) |
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128 |
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129 def test_writer_arg2default_fobj_path_none(self): |
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130 self.writer_arg2default(0, path=None) |
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131 |
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132 def test_writer_arg4default_fobj(self): |
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133 self.writer_arg4default(0, 1, dog="dog", other="other") |
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134 self.writer_arg4default(0, 1, dog="dog", other="other", path=self.name) |
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135 assert self.read(self.name) == "".join(self.text) |
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136 |
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137 def test_writer_kwarg_str(self): |
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138 self.writer_kwarg(path=self.name) |
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139 assert self.read(self.name) == "".join(self.text) |
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140 |
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141 def test_writer_kwarg_fobj(self): |
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142 self.writer_kwarg(path=self.fobj) |
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143 self.fobj.close() |
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144 assert self.read(self.name) == "".join(self.text) |
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145 |
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146 def test_writer_kwarg_path_none(self): |
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147 self.writer_kwarg(path=None) |
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148 |
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149 |
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150 @preserve_random_state |
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151 def test_preserve_random_state(): |
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152 try: |
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153 import numpy.random |
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154 |
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155 r = numpy.random.random() |
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156 except ImportError: |
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157 return |
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158 assert abs(r - 0.61879477158568) < 1e-16 |
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159 |
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160 |
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161 class TestRandomState: |
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162 @classmethod |
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163 def setup_class(cls): |
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164 global np |
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165 np = pytest.importorskip("numpy") |
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166 |
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167 @random_state(1) |
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168 def instantiate_random_state(self, random_state): |
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169 assert isinstance(random_state, np.random.RandomState) |
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170 return random_state.random_sample() |
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171 |
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172 @np_random_state(1) |
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173 def instantiate_np_random_state(self, random_state): |
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174 assert isinstance(random_state, np.random.RandomState) |
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175 return random_state.random_sample() |
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176 |
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177 @py_random_state(1) |
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178 def instantiate_py_random_state(self, random_state): |
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179 assert isinstance(random_state, random.Random) or isinstance( |
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180 random_state, PythonRandomInterface |
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181 ) |
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182 return random_state.random() |
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183 |
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184 def test_random_state_None(self): |
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185 np.random.seed(42) |
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186 rv = np.random.random_sample() |
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187 np.random.seed(42) |
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188 assert rv == self.instantiate_random_state(None) |
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189 np.random.seed(42) |
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190 assert rv == self.instantiate_np_random_state(None) |
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191 |
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192 random.seed(42) |
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193 rv = random.random() |
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194 random.seed(42) |
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195 assert rv == self.instantiate_py_random_state(None) |
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196 |
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197 def test_random_state_np_random(self): |
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198 np.random.seed(42) |
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199 rv = np.random.random_sample() |
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200 np.random.seed(42) |
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201 assert rv == self.instantiate_random_state(np.random) |
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202 np.random.seed(42) |
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203 assert rv == self.instantiate_np_random_state(np.random) |
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204 np.random.seed(42) |
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205 assert rv == self.instantiate_py_random_state(np.random) |
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206 |
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207 def test_random_state_int(self): |
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208 np.random.seed(42) |
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209 np_rv = np.random.random_sample() |
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210 random.seed(42) |
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211 py_rv = random.random() |
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212 |
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213 np.random.seed(42) |
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214 seed = 1 |
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215 rval = self.instantiate_random_state(seed) |
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216 rval_expected = np.random.RandomState(seed).rand() |
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217 assert rval, rval_expected |
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218 |
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219 rval = self.instantiate_np_random_state(seed) |
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220 rval_expected = np.random.RandomState(seed).rand() |
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221 assert rval, rval_expected |
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222 # test that global seed wasn't changed in function |
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223 assert np_rv == np.random.random_sample() |
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224 |
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225 random.seed(42) |
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226 rval = self.instantiate_py_random_state(seed) |
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227 rval_expected = random.Random(seed).random() |
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228 assert rval, rval_expected |
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229 # test that global seed wasn't changed in function |
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230 assert py_rv == random.random() |
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231 |
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232 def test_random_state_np_random_RandomState(self): |
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233 np.random.seed(42) |
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234 np_rv = np.random.random_sample() |
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235 |
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236 np.random.seed(42) |
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237 seed = 1 |
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238 rng = np.random.RandomState(seed) |
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239 rval = self.instantiate_random_state(rng) |
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240 rval_expected = np.random.RandomState(seed).rand() |
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241 assert rval, rval_expected |
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242 |
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243 rval = self.instantiate_np_random_state(seed) |
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244 rval_expected = np.random.RandomState(seed).rand() |
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245 assert rval, rval_expected |
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246 |
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247 rval = self.instantiate_py_random_state(seed) |
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248 rval_expected = np.random.RandomState(seed).rand() |
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249 assert rval, rval_expected |
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250 # test that global seed wasn't changed in function |
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251 assert np_rv == np.random.random_sample() |
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252 |
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253 def test_random_state_py_random(self): |
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254 seed = 1 |
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255 rng = random.Random(seed) |
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256 rv = self.instantiate_py_random_state(rng) |
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257 assert rv, random.Random(seed).random() |
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258 |
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259 pytest.raises(ValueError, self.instantiate_random_state, rng) |
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260 pytest.raises(ValueError, self.instantiate_np_random_state, rng) |
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261 |
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262 |
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263 def test_random_state_string_arg_index(): |
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264 with pytest.raises(nx.NetworkXError): |
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265 |
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266 @random_state("a") |
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267 def make_random_state(rs): |
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268 pass |
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269 |
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270 rstate = make_random_state(1) |
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271 |
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272 |
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273 def test_py_random_state_string_arg_index(): |
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274 with pytest.raises(nx.NetworkXError): |
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275 |
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276 @py_random_state("a") |
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277 def make_random_state(rs): |
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278 pass |
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279 |
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280 rstate = make_random_state(1) |
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281 |
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282 |
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283 def test_random_state_invalid_arg_index(): |
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284 with pytest.raises(nx.NetworkXError): |
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285 |
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286 @random_state(2) |
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287 def make_random_state(rs): |
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288 pass |
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289 |
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290 rstate = make_random_state(1) |
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291 |
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292 |
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293 def test_py_random_state_invalid_arg_index(): |
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294 with pytest.raises(nx.NetworkXError): |
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295 |
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296 @py_random_state(2) |
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297 def make_random_state(rs): |
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298 pass |
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299 |
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300 rstate = make_random_state(1) |