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1 | 1 | # encoding: utf-8 |
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2 | 2 | """Tests for IPython.utils.path.py""" |
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3 | 3 | |
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4 | 4 | # Copyright (c) IPython Development Team. |
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5 | 5 | # Distributed under the terms of the Modified BSD License. |
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6 | 6 | |
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7 | 7 | import errno |
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8 | 8 | import os |
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9 | 9 | import shutil |
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10 | 10 | import sys |
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11 | 11 | import tempfile |
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12 | 12 | import warnings |
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13 | 13 | from contextlib import contextmanager |
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14 | 14 | |
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15 | 15 | try: # Python 3.3+ |
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16 | 16 | from unittest.mock import patch |
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17 | 17 | except ImportError: |
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18 | 18 | from mock import patch |
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19 | 19 | |
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20 | 20 | from os.path import join, abspath, split |
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21 | 21 | |
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22 | 22 | from nose import SkipTest |
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23 | 23 | import nose.tools as nt |
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24 | 24 | |
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25 | 25 | from nose import with_setup |
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26 | 26 | |
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27 | 27 | import IPython |
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28 | 28 | from IPython import paths |
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29 | 29 | from IPython.testing import decorators as dec |
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30 | 30 | from IPython.testing.decorators import (skip_if_not_win32, skip_win32, |
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31 | 31 | onlyif_unicode_paths,) |
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32 | 32 | from IPython.testing.tools import make_tempfile, AssertPrints |
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33 | 33 | from IPython.utils import path |
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34 | 34 | from IPython.utils import py3compat |
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35 | 35 | from IPython.utils.tempdir import TemporaryDirectory |
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36 | 36 | |
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37 | 37 | # Platform-dependent imports |
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38 | 38 | try: |
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39 | 39 | import winreg as wreg # Py 3 |
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40 | 40 | except ImportError: |
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41 | 41 | try: |
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42 | 42 | import _winreg as wreg # Py 2 |
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43 | 43 | except ImportError: |
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44 | 44 | #Fake _winreg module on none windows platforms |
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45 | 45 | import types |
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46 | 46 | wr_name = "winreg" if py3compat.PY3 else "_winreg" |
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47 | 47 | sys.modules[wr_name] = types.ModuleType(wr_name) |
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48 | 48 | try: |
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49 | 49 | import winreg as wreg |
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50 | 50 | except ImportError: |
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51 | 51 | import _winreg as wreg |
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52 | 52 | #Add entries that needs to be stubbed by the testing code |
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53 | 53 | (wreg.OpenKey, wreg.QueryValueEx,) = (None, None) |
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54 | 54 | |
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55 | 55 | try: |
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56 | 56 | reload |
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57 | 57 | except NameError: # Python 3 |
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58 | 58 | from imp import reload |
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59 | 59 | |
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60 | 60 | #----------------------------------------------------------------------------- |
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61 | 61 | # Globals |
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62 | 62 | #----------------------------------------------------------------------------- |
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63 | 63 | env = os.environ |
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64 | 64 | TMP_TEST_DIR = tempfile.mkdtemp() |
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65 | 65 | HOME_TEST_DIR = join(TMP_TEST_DIR, "home_test_dir") |
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66 | 66 | # |
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67 | 67 | # Setup/teardown functions/decorators |
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68 | 68 | # |
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69 | 69 | |
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70 | 70 | def setup(): |
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71 | 71 | """Setup testenvironment for the module: |
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72 | 72 | |
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73 | 73 | - Adds dummy home dir tree |
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74 | 74 | """ |
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75 | 75 | # Do not mask exceptions here. In particular, catching WindowsError is a |
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76 | 76 | # problem because that exception is only defined on Windows... |
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77 | 77 | os.makedirs(os.path.join(HOME_TEST_DIR, 'ipython')) |
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78 | 78 | |
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79 | 79 | |
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80 | 80 | def teardown(): |
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81 | 81 | """Teardown testenvironment for the module: |
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82 | 82 | |
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83 | 83 | - Remove dummy home dir tree |
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84 | 84 | """ |
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85 | 85 | # Note: we remove the parent test dir, which is the root of all test |
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86 | 86 | # subdirs we may have created. Use shutil instead of os.removedirs, so |
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87 | 87 | # that non-empty directories are all recursively removed. |
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88 | 88 | shutil.rmtree(TMP_TEST_DIR) |
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89 | 89 | |
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90 | 90 | |
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91 | 91 | def setup_environment(): |
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92 | 92 | """Setup testenvironment for some functions that are tested |
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93 | 93 | in this module. In particular this functions stores attributes |
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94 | 94 | and other things that we need to stub in some test functions. |
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95 | 95 | This needs to be done on a function level and not module level because |
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96 | 96 | each testfunction needs a pristine environment. |
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97 | 97 | """ |
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98 | 98 | global oldstuff, platformstuff |
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99 | 99 | oldstuff = (env.copy(), os.name, sys.platform, path.get_home_dir, IPython.__file__, os.getcwd()) |
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100 | 100 | |
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101 | 101 | def teardown_environment(): |
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102 | 102 | """Restore things that were remembered by the setup_environment function |
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103 | 103 | """ |
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104 | 104 | (oldenv, os.name, sys.platform, path.get_home_dir, IPython.__file__, old_wd) = oldstuff |
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105 | 105 | os.chdir(old_wd) |
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106 | 106 | reload(path) |
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107 | 107 | |
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108 | 108 | for key in list(env): |
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109 | 109 | if key not in oldenv: |
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110 | 110 | del env[key] |
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111 | 111 | env.update(oldenv) |
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112 | 112 | if hasattr(sys, 'frozen'): |
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113 | 113 | del sys.frozen |
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114 | 114 | |
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115 | 115 | # Build decorator that uses the setup_environment/setup_environment |
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116 | 116 | with_environment = with_setup(setup_environment, teardown_environment) |
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117 | 117 | |
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118 | 118 | @skip_if_not_win32 |
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119 | 119 | @with_environment |
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120 | 120 | def test_get_home_dir_1(): |
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121 | 121 | """Testcase for py2exe logic, un-compressed lib |
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122 | 122 | """ |
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123 | 123 | unfrozen = path.get_home_dir() |
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124 | 124 | sys.frozen = True |
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125 | 125 | |
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126 | 126 | #fake filename for IPython.__init__ |
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127 | 127 | IPython.__file__ = abspath(join(HOME_TEST_DIR, "Lib/IPython/__init__.py")) |
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128 | 128 | |
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129 | 129 | home_dir = path.get_home_dir() |
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130 | 130 | nt.assert_equal(home_dir, unfrozen) |
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131 | 131 | |
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132 | 132 | |
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133 | 133 | @skip_if_not_win32 |
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134 | 134 | @with_environment |
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135 | 135 | def test_get_home_dir_2(): |
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136 | 136 | """Testcase for py2exe logic, compressed lib |
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137 | 137 | """ |
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138 | 138 | unfrozen = path.get_home_dir() |
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139 | 139 | sys.frozen = True |
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140 | 140 | #fake filename for IPython.__init__ |
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141 | 141 | IPython.__file__ = abspath(join(HOME_TEST_DIR, "Library.zip/IPython/__init__.py")).lower() |
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142 | 142 | |
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143 | 143 | home_dir = path.get_home_dir(True) |
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144 | 144 | nt.assert_equal(home_dir, unfrozen) |
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145 | 145 | |
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146 | 146 | |
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147 | 147 | @with_environment |
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148 | 148 | def test_get_home_dir_3(): |
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149 | 149 | """get_home_dir() uses $HOME if set""" |
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150 | 150 | env["HOME"] = HOME_TEST_DIR |
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151 | 151 | home_dir = path.get_home_dir(True) |
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152 | 152 | # get_home_dir expands symlinks |
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153 | 153 | nt.assert_equal(home_dir, os.path.realpath(env["HOME"])) |
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154 | 154 | |
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155 | 155 | |
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156 | 156 | @with_environment |
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157 | 157 | def test_get_home_dir_4(): |
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158 | 158 | """get_home_dir() still works if $HOME is not set""" |
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159 | 159 | |
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160 | 160 | if 'HOME' in env: del env['HOME'] |
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161 | 161 | # this should still succeed, but we don't care what the answer is |
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162 | 162 | home = path.get_home_dir(False) |
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163 | 163 | |
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164 | 164 | @with_environment |
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165 | 165 | def test_get_home_dir_5(): |
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166 | 166 | """raise HomeDirError if $HOME is specified, but not a writable dir""" |
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167 | 167 | env['HOME'] = abspath(HOME_TEST_DIR+'garbage') |
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168 | 168 | # set os.name = posix, to prevent My Documents fallback on Windows |
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169 | 169 | os.name = 'posix' |
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170 | 170 | nt.assert_raises(path.HomeDirError, path.get_home_dir, True) |
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171 | 171 | |
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172 | 172 | # Should we stub wreg fully so we can run the test on all platforms? |
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173 | 173 | @skip_if_not_win32 |
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174 | 174 | @with_environment |
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175 | 175 | def test_get_home_dir_8(): |
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176 | 176 | """Using registry hack for 'My Documents', os=='nt' |
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177 | 177 | |
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178 | 178 | HOMESHARE, HOMEDRIVE, HOMEPATH, USERPROFILE and others are missing. |
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179 | 179 | """ |
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180 | 180 | os.name = 'nt' |
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181 | 181 | # Remove from stub environment all keys that may be set |
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182 | 182 | for key in ['HOME', 'HOMESHARE', 'HOMEDRIVE', 'HOMEPATH', 'USERPROFILE']: |
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183 | 183 | env.pop(key, None) |
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184 | 184 | |
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185 | 185 | class key: |
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186 | 186 | def Close(self): |
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187 | 187 | pass |
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188 | 188 | |
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189 | 189 | with patch.object(wreg, 'OpenKey', return_value=key()), \ |
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190 | 190 | patch.object(wreg, 'QueryValueEx', return_value=[abspath(HOME_TEST_DIR)]): |
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191 | 191 | home_dir = path.get_home_dir() |
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192 | 192 | nt.assert_equal(home_dir, abspath(HOME_TEST_DIR)) |
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193 | 193 | |
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194 | 194 | @with_environment |
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195 | 195 | def test_get_xdg_dir_0(): |
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196 | 196 | """test_get_xdg_dir_0, check xdg_dir""" |
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197 | 197 | reload(path) |
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198 | 198 | path._writable_dir = lambda path: True |
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199 | 199 | path.get_home_dir = lambda : 'somewhere' |
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200 | 200 | os.name = "posix" |
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201 | 201 | sys.platform = "linux2" |
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202 | 202 | env.pop('IPYTHON_DIR', None) |
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203 | 203 | env.pop('IPYTHONDIR', None) |
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204 | 204 | env.pop('XDG_CONFIG_HOME', None) |
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205 | 205 | |
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206 | 206 | nt.assert_equal(path.get_xdg_dir(), os.path.join('somewhere', '.config')) |
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207 | 207 | |
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208 | 208 | |
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209 | 209 | @with_environment |
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210 | 210 | def test_get_xdg_dir_1(): |
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211 | 211 | """test_get_xdg_dir_1, check nonexistant xdg_dir""" |
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212 | 212 | reload(path) |
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213 | 213 | path.get_home_dir = lambda : HOME_TEST_DIR |
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214 | 214 | os.name = "posix" |
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215 | 215 | sys.platform = "linux2" |
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216 | 216 | env.pop('IPYTHON_DIR', None) |
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217 | 217 | env.pop('IPYTHONDIR', None) |
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218 | 218 | env.pop('XDG_CONFIG_HOME', None) |
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219 | 219 | nt.assert_equal(path.get_xdg_dir(), None) |
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220 | 220 | |
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221 | 221 | @with_environment |
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222 | 222 | def test_get_xdg_dir_2(): |
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223 | 223 | """test_get_xdg_dir_2, check xdg_dir default to ~/.config""" |
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224 | 224 | reload(path) |
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225 | 225 | path.get_home_dir = lambda : HOME_TEST_DIR |
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226 | 226 | os.name = "posix" |
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227 | 227 | sys.platform = "linux2" |
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228 | 228 | env.pop('IPYTHON_DIR', None) |
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229 | 229 | env.pop('IPYTHONDIR', None) |
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230 | 230 | env.pop('XDG_CONFIG_HOME', None) |
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231 | 231 | cfgdir=os.path.join(path.get_home_dir(), '.config') |
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232 | 232 | if not os.path.exists(cfgdir): |
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233 | 233 | os.makedirs(cfgdir) |
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234 | 234 | |
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235 | 235 | nt.assert_equal(path.get_xdg_dir(), cfgdir) |
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236 | 236 | |
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237 | 237 | @with_environment |
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238 | 238 | def test_get_xdg_dir_3(): |
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239 | 239 | """test_get_xdg_dir_3, check xdg_dir not used on OS X""" |
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240 | 240 | reload(path) |
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241 | 241 | path.get_home_dir = lambda : HOME_TEST_DIR |
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242 | 242 | os.name = "posix" |
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243 | 243 | sys.platform = "darwin" |
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244 | 244 | env.pop('IPYTHON_DIR', None) |
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245 | 245 | env.pop('IPYTHONDIR', None) |
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246 | 246 | env.pop('XDG_CONFIG_HOME', None) |
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247 | 247 | cfgdir=os.path.join(path.get_home_dir(), '.config') |
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248 | 248 | if not os.path.exists(cfgdir): |
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249 | 249 | os.makedirs(cfgdir) |
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250 | 250 | |
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251 | 251 | nt.assert_equal(path.get_xdg_dir(), None) |
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252 | 252 | |
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253 | 253 | def test_filefind(): |
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254 | 254 | """Various tests for filefind""" |
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255 | 255 | f = tempfile.NamedTemporaryFile() |
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256 | 256 | # print 'fname:',f.name |
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257 | 257 | alt_dirs = paths.get_ipython_dir() |
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258 | 258 | t = path.filefind(f.name, alt_dirs) |
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259 | 259 | # print 'found:',t |
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260 | 260 | |
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261 | 261 | |
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262 | 262 | @dec.skip_if_not_win32 |
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263 | 263 | def test_get_long_path_name_win32(): |
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264 | 264 | with TemporaryDirectory() as tmpdir: |
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265 | 265 | |
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266 | 266 | # Make a long path. Expands the path of tmpdir prematurely as it may already have a long |
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267 | 267 | # path component, so ensure we include the long form of it |
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268 | 268 | long_path = os.path.join(path.get_long_path_name(tmpdir), u'this is my long path name') |
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269 | 269 | os.makedirs(long_path) |
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270 | 270 | |
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271 | 271 | # Test to see if the short path evaluates correctly. |
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272 | 272 | short_path = os.path.join(tmpdir, u'THISIS~1') |
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273 | 273 | evaluated_path = path.get_long_path_name(short_path) |
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274 | 274 | nt.assert_equal(evaluated_path.lower(), long_path.lower()) |
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275 | 275 | |
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276 | 276 | |
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277 | 277 | @dec.skip_win32 |
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278 | 278 | def test_get_long_path_name(): |
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279 | 279 | p = path.get_long_path_name('/usr/local') |
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280 | 280 | nt.assert_equal(p,'/usr/local') |
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281 | 281 | |
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282 | 282 | @dec.skip_win32 # can't create not-user-writable dir on win |
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283 | 283 | @with_environment |
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284 | 284 | def test_not_writable_ipdir(): |
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285 | 285 | tmpdir = tempfile.mkdtemp() |
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286 | 286 | os.name = "posix" |
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287 | 287 | env.pop('IPYTHON_DIR', None) |
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288 | 288 | env.pop('IPYTHONDIR', None) |
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289 | 289 | env.pop('XDG_CONFIG_HOME', None) |
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290 | 290 | env['HOME'] = tmpdir |
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291 | 291 | ipdir = os.path.join(tmpdir, '.ipython') |
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292 | 292 | os.mkdir(ipdir, 0o555) |
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293 | 293 | try: |
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294 | 294 | open(os.path.join(ipdir, "_foo_"), 'w').close() |
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295 | 295 | except IOError: |
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296 | 296 | pass |
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297 | 297 | else: |
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298 | 298 | # I can still write to an unwritable dir, |
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299 | 299 | # assume I'm root and skip the test |
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300 | 300 | raise SkipTest("I can't create directories that I can't write to") |
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301 | 301 | with AssertPrints('is not a writable location', channel='stderr'): |
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302 | 302 | ipdir = paths.get_ipython_dir() |
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303 | 303 | env.pop('IPYTHON_DIR', None) |
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304 | 304 | |
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305 | 305 | def test_unquote_filename(): |
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306 | 306 | for win32 in (True, False): |
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307 | 307 | nt.assert_equal(path.unquote_filename('foo.py', win32=win32), 'foo.py') |
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308 | 308 | nt.assert_equal(path.unquote_filename('foo bar.py', win32=win32), 'foo bar.py') |
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309 | 309 | nt.assert_equal(path.unquote_filename('"foo.py"', win32=True), 'foo.py') |
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310 | 310 | nt.assert_equal(path.unquote_filename('"foo bar.py"', win32=True), 'foo bar.py') |
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311 | 311 | nt.assert_equal(path.unquote_filename("'foo.py'", win32=True), 'foo.py') |
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312 | 312 | nt.assert_equal(path.unquote_filename("'foo bar.py'", win32=True), 'foo bar.py') |
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313 | 313 | nt.assert_equal(path.unquote_filename('"foo.py"', win32=False), '"foo.py"') |
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314 | 314 | nt.assert_equal(path.unquote_filename('"foo bar.py"', win32=False), '"foo bar.py"') |
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315 | 315 | nt.assert_equal(path.unquote_filename("'foo.py'", win32=False), "'foo.py'") |
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316 | 316 | nt.assert_equal(path.unquote_filename("'foo bar.py'", win32=False), "'foo bar.py'") |
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317 | 317 | |
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318 | 318 | @with_environment |
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319 | 319 | def test_get_py_filename(): |
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320 | 320 | os.chdir(TMP_TEST_DIR) |
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321 | 321 | for win32 in (True, False): |
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322 | 322 | with make_tempfile('foo.py'): |
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323 | 323 | nt.assert_equal(path.get_py_filename('foo.py', force_win32=win32), 'foo.py') |
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324 | 324 | nt.assert_equal(path.get_py_filename('foo', force_win32=win32), 'foo.py') |
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325 | 325 | with make_tempfile('foo'): |
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326 | 326 | nt.assert_equal(path.get_py_filename('foo', force_win32=win32), 'foo') |
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327 | 327 | nt.assert_raises(IOError, path.get_py_filename, 'foo.py', force_win32=win32) |
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328 | 328 | nt.assert_raises(IOError, path.get_py_filename, 'foo', force_win32=win32) |
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329 | 329 | nt.assert_raises(IOError, path.get_py_filename, 'foo.py', force_win32=win32) |
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330 | 330 | true_fn = 'foo with spaces.py' |
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331 | 331 | with make_tempfile(true_fn): |
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332 | 332 | nt.assert_equal(path.get_py_filename('foo with spaces', force_win32=win32), true_fn) |
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333 | 333 | nt.assert_equal(path.get_py_filename('foo with spaces.py', force_win32=win32), true_fn) |
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334 | 334 | if win32: |
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335 | 335 | nt.assert_equal(path.get_py_filename('"foo with spaces.py"', force_win32=True), true_fn) |
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336 | 336 | nt.assert_equal(path.get_py_filename("'foo with spaces.py'", force_win32=True), true_fn) |
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337 | 337 | else: |
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338 | 338 | nt.assert_raises(IOError, path.get_py_filename, '"foo with spaces.py"', force_win32=False) |
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339 | 339 | nt.assert_raises(IOError, path.get_py_filename, "'foo with spaces.py'", force_win32=False) |
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340 | 340 | |
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341 | 341 | @onlyif_unicode_paths |
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342 | 342 | def test_unicode_in_filename(): |
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343 | 343 | """When a file doesn't exist, the exception raised should be safe to call |
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344 | 344 | str() on - i.e. in Python 2 it must only have ASCII characters. |
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345 | 345 | |
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346 | 346 | https://github.com/ipython/ipython/issues/875 |
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347 | 347 | """ |
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348 | 348 | try: |
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349 | 349 | # these calls should not throw unicode encode exceptions |
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350 | 350 | path.get_py_filename(u'fooéè.py', force_win32=False) |
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351 | 351 | except IOError as ex: |
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352 | 352 | str(ex) |
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353 | 353 | |
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354 | 354 | |
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355 | 355 | class TestShellGlob(object): |
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356 | 356 | |
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357 | 357 | @classmethod |
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358 | 358 | def setUpClass(cls): |
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359 | 359 | cls.filenames_start_with_a = ['a0', 'a1', 'a2'] |
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360 | 360 | cls.filenames_end_with_b = ['0b', '1b', '2b'] |
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361 | 361 | cls.filenames = cls.filenames_start_with_a + cls.filenames_end_with_b |
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362 | 362 | cls.tempdir = TemporaryDirectory() |
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363 | 363 | td = cls.tempdir.name |
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364 | 364 | |
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365 | 365 | with cls.in_tempdir(): |
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366 | 366 | # Create empty files |
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367 | 367 | for fname in cls.filenames: |
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368 | 368 | open(os.path.join(td, fname), 'w').close() |
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369 | 369 | |
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370 | 370 | @classmethod |
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371 | 371 | def tearDownClass(cls): |
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372 | 372 | cls.tempdir.cleanup() |
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373 | 373 | |
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374 | 374 | @classmethod |
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375 | 375 | @contextmanager |
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376 | 376 | def in_tempdir(cls): |
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377 | 377 | save = py3compat.getcwd() |
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378 | 378 | try: |
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379 | 379 | os.chdir(cls.tempdir.name) |
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380 | 380 | yield |
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381 | 381 | finally: |
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382 | 382 | os.chdir(save) |
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383 | 383 | |
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384 | 384 | def check_match(self, patterns, matches): |
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385 | 385 | with self.in_tempdir(): |
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386 | 386 | # glob returns unordered list. that's why sorted is required. |
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387 | 387 | nt.assert_equals(sorted(path.shellglob(patterns)), |
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388 | 388 | sorted(matches)) |
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389 | 389 | |
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390 | 390 | def common_cases(self): |
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391 | 391 | return [ |
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392 | 392 | (['*'], self.filenames), |
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393 | 393 | (['a*'], self.filenames_start_with_a), |
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394 | 394 | (['*c'], ['*c']), |
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395 | 395 | (['*', 'a*', '*b', '*c'], self.filenames |
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396 | 396 | + self.filenames_start_with_a |
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397 | 397 | + self.filenames_end_with_b |
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398 | 398 | + ['*c']), |
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399 | 399 | (['a[012]'], self.filenames_start_with_a), |
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400 | 400 | ] |
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401 | 401 | |
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402 | 402 | @skip_win32 |
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403 | 403 | def test_match_posix(self): |
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404 | 404 | for (patterns, matches) in self.common_cases() + [ |
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405 | 405 | ([r'\*'], ['*']), |
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406 | 406 | ([r'a\*', 'a*'], ['a*'] + self.filenames_start_with_a), |
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407 | 407 | ([r'a\[012]'], ['a[012]']), |
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408 | 408 | ]: |
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409 | 409 | yield (self.check_match, patterns, matches) |
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410 | 410 | |
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411 | 411 | @skip_if_not_win32 |
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412 | 412 | def test_match_windows(self): |
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413 | 413 | for (patterns, matches) in self.common_cases() + [ |
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414 | 414 | # In windows, backslash is interpreted as path |
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415 | 415 | # separator. Therefore, you can't escape glob |
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416 | 416 | # using it. |
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417 | 417 | ([r'a\*', 'a*'], [r'a\*'] + self.filenames_start_with_a), |
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418 | 418 | ([r'a\[012]'], [r'a\[012]']), |
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419 | 419 | ]: |
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420 | 420 | yield (self.check_match, patterns, matches) |
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421 | 421 | |
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422 | 422 | |
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423 | 423 | def test_unescape_glob(): |
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424 | 424 | nt.assert_equals(path.unescape_glob(r'\*\[\!\]\?'), '*[!]?') |
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425 | 425 | nt.assert_equals(path.unescape_glob(r'\\*'), r'\*') |
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426 | 426 | nt.assert_equals(path.unescape_glob(r'\\\*'), r'\*') |
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427 | 427 | nt.assert_equals(path.unescape_glob(r'\\a'), r'\a') |
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428 | 428 | nt.assert_equals(path.unescape_glob(r'\a'), r'\a') |
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429 | 429 | |
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430 | 430 | |
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431 | 431 | def test_ensure_dir_exists(): |
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432 | 432 | with TemporaryDirectory() as td: |
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433 |
d = os.path.join(td, u'βir') |
|
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433 | d = os.path.join(td, u'βir') | |
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434 | 434 | path.ensure_dir_exists(d) # create it |
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435 | assert os.path.isdir(d) | |
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435 | assert os.path.isdir(d.encode("utf8")) | |
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436 | 436 | path.ensure_dir_exists(d) # no-op |
|
437 |
f = os.path.join(td, u'Ζile') |
|
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438 | open(f, 'w').close() # touch | |
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437 | f = os.path.join(td, u'Ζile') | |
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438 | open(f.encode("utf8"), 'w').close() # touch | |
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439 | 439 | with nt.assert_raises(IOError): |
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440 | 440 | path.ensure_dir_exists(f) |
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441 | 441 | |
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442 | 442 | class TestLinkOrCopy(object): |
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443 | 443 | def setUp(self): |
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444 | 444 | self.tempdir = TemporaryDirectory() |
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445 | 445 | self.src = self.dst("src") |
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446 | 446 | with open(self.src, "w") as f: |
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447 | 447 | f.write("Hello, world!") |
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448 | 448 | |
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449 | 449 | def tearDown(self): |
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450 | 450 | self.tempdir.cleanup() |
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451 | 451 | |
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452 | 452 | def dst(self, *args): |
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453 | 453 | return os.path.join(self.tempdir.name, *args) |
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454 | 454 | |
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455 | 455 | def assert_inode_not_equal(self, a, b): |
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456 | 456 | nt.assert_not_equals(os.stat(a).st_ino, os.stat(b).st_ino, |
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457 | 457 | "%r and %r do reference the same indoes" %(a, b)) |
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458 | 458 | |
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459 | 459 | def assert_inode_equal(self, a, b): |
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460 | 460 | nt.assert_equals(os.stat(a).st_ino, os.stat(b).st_ino, |
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461 | 461 | "%r and %r do not reference the same indoes" %(a, b)) |
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462 | 462 | |
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463 | 463 | def assert_content_equal(self, a, b): |
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464 | 464 | with open(a) as a_f: |
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465 | 465 | with open(b) as b_f: |
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466 | 466 | nt.assert_equals(a_f.read(), b_f.read()) |
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467 | 467 | |
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468 | 468 | @skip_win32 |
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469 | 469 | def test_link_successful(self): |
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470 | 470 | dst = self.dst("target") |
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471 | 471 | path.link_or_copy(self.src, dst) |
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472 | 472 | self.assert_inode_equal(self.src, dst) |
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473 | 473 | |
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474 | 474 | @skip_win32 |
|
475 | 475 | def test_link_into_dir(self): |
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476 | 476 | dst = self.dst("some_dir") |
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477 | 477 | os.mkdir(dst) |
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478 | 478 | path.link_or_copy(self.src, dst) |
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479 | 479 | expected_dst = self.dst("some_dir", os.path.basename(self.src)) |
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480 | 480 | self.assert_inode_equal(self.src, expected_dst) |
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481 | 481 | |
|
482 | 482 | @skip_win32 |
|
483 | 483 | def test_target_exists(self): |
|
484 | 484 | dst = self.dst("target") |
|
485 | 485 | open(dst, "w").close() |
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486 | 486 | path.link_or_copy(self.src, dst) |
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487 | 487 | self.assert_inode_equal(self.src, dst) |
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488 | 488 | |
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489 | 489 | @skip_win32 |
|
490 | 490 | def test_no_link(self): |
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491 | 491 | real_link = os.link |
|
492 | 492 | try: |
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493 | 493 | del os.link |
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494 | 494 | dst = self.dst("target") |
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495 | 495 | path.link_or_copy(self.src, dst) |
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496 | 496 | self.assert_content_equal(self.src, dst) |
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497 | 497 | self.assert_inode_not_equal(self.src, dst) |
|
498 | 498 | finally: |
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499 | 499 | os.link = real_link |
|
500 | 500 | |
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501 | 501 | @skip_if_not_win32 |
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502 | 502 | def test_windows(self): |
|
503 | 503 | dst = self.dst("target") |
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504 | 504 | path.link_or_copy(self.src, dst) |
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505 | 505 | self.assert_content_equal(self.src, dst) |
|
506 | 506 | |
|
507 | 507 | def test_link_twice(self): |
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508 | 508 | # Linking the same file twice shouldn't leave duplicates around. |
|
509 | 509 | # See https://github.com/ipython/ipython/issues/6450 |
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510 | 510 | dst = self.dst('target') |
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511 | 511 | path.link_or_copy(self.src, dst) |
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512 | 512 | path.link_or_copy(self.src, dst) |
|
513 | 513 | self.assert_inode_equal(self.src, dst) |
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514 | 514 | nt.assert_equal(sorted(os.listdir(self.tempdir.name)), ['src', 'target']) |
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