annotate tests/test-demandimport.py @ 48393:1a8a70b4b0ad

dirstate: cleanup remaining of "now" during write Since the whole `need_delay` have been removed, we no longer need this. Differential Revision: https://phab.mercurial-scm.org/D11797
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 19 Nov 2021 03:03:01 +0100
parents 0826d684a1b5
children 6000f5b25c9b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from __future__ import absolute_import, print_function
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2
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3 from mercurial import demandimport
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4
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5 demandimport.enable()
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6
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7 import os
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8 import subprocess
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9 import sys
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10 import types
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11
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12 # Don't import pycompat because it has too many side-effects.
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13 ispy3 = sys.version_info[0] >= 3
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14
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15 # Only run if demandimport is allowed
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16 if subprocess.call(
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17 [os.environ['PYTHON'], '%s/hghave' % os.environ['TESTDIR'], 'demandimport']
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18 ):
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19 sys.exit(80)
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20
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21 # We rely on assert, which gets optimized out.
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22 if sys.flags.optimize:
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23 sys.exit(80)
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24
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25 # The demand importer doesn't work on Python 3.5.
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26 if sys.version_info[0:2] == (3, 5):
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27 sys.exit(80)
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28
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29 if ispy3:
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30 from importlib.util import _LazyModule
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31
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32 try:
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33 from importlib.util import _Module as moduletype
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34 except ImportError:
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35 moduletype = types.ModuleType
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36 else:
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37 moduletype = types.ModuleType
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38
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39 if os.name != 'nt':
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40 try:
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41 import distutils.msvc9compiler
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42
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43 print(
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44 'distutils.msvc9compiler needs to be an immediate '
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45 'importerror on non-windows platforms'
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46 )
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47 distutils.msvc9compiler
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48 except ImportError:
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49 pass
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50
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51 import re
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52
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53 rsub = re.sub
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54
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55
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56 def f(obj):
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57 l = repr(obj)
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58 l = rsub("0x[0-9a-fA-F]+", "0x?", l)
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59 l = rsub("from '.*'", "from '?'", l)
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60 l = rsub("'<[a-z]*>'", "'<whatever>'", l)
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61 return l
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62
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63
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64 demandimport.disable()
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65 os.environ['HGDEMANDIMPORT'] = 'disable'
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66 # this enable call should not actually enable demandimport!
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67 demandimport.enable()
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68 from mercurial import node
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69
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70 # We use assert instead of a unittest test case because having imports inside
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71 # functions changes behavior of the demand importer.
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72 if ispy3:
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73 assert not isinstance(node, _LazyModule)
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74 else:
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75 assert f(node) == "<module 'mercurial.node' from '?'>", f(node)
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76
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77 # now enable it for real
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78 del os.environ['HGDEMANDIMPORT']
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79 demandimport.enable()
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80
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81 # Test access to special attributes through demandmod proxy
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82 assert 'mercurial.error' not in sys.modules
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83 from mercurial import error as errorproxy
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84
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85 if ispy3:
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86 # unsure why this isn't lazy.
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87 assert not isinstance(f, _LazyModule)
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88 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy)
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89 else:
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90 assert f(errorproxy) == "<unloaded module 'error'>", f(errorproxy)
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91
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92 doc = ' '.join(errorproxy.__doc__.split()[:3])
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93 assert doc == 'Mercurial exceptions. This', doc
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94 assert errorproxy.__name__ == 'mercurial.error', errorproxy.__name__
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95
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96 # __name__ must be accessible via __dict__ so the relative imports can be
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97 # resolved
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98 name = errorproxy.__dict__['__name__']
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99 assert name == 'mercurial.error', name
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100
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101 if ispy3:
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102 assert not isinstance(errorproxy, _LazyModule)
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103 assert f(errorproxy) == "<module 'mercurial.error' from '?'>", f(errorproxy)
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104 else:
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105 assert f(errorproxy) == "<proxied module 'error'>", f(errorproxy)
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106
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107 import os
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108
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109 if ispy3:
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110 assert not isinstance(os, _LazyModule)
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111 assert f(os) == "<module 'os' from '?'>", f(os)
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112 else:
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113 assert f(os) == "<unloaded module 'os'>", f(os)
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114
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115 assert f(os.system) == '<built-in function system>', f(os.system)
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116 assert f(os) == "<module 'os' from '?'>", f(os)
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117
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118 assert 'mercurial.utils.procutil' not in sys.modules
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119 from mercurial.utils import procutil
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120
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121 if ispy3:
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122 assert isinstance(procutil, _LazyModule)
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123 assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f(
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124 procutil
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125 )
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126 else:
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127 assert f(procutil) == "<unloaded module 'procutil'>", f(procutil)
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128
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129 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system)
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diff changeset
130 assert procutil.__class__ == moduletype, procutil.__class__
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131 assert f(procutil) == "<module 'mercurial.utils.procutil' from '?'>", f(
dffd6a301570 py3: replace print() with assert in test-demandimport.py
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parents: 37964
diff changeset
132 procutil
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
133 )
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
134 assert f(procutil.system) == '<function system at 0x?>', f(procutil.system)
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parents:
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135
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diff changeset
136 assert 'mercurial.hgweb' not in sys.modules
27535
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Bryan O'Sullivan <bos@serpentine.com>
parents: 23643
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137 from mercurial import hgweb
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138
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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139 if ispy3:
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140 assert isinstance(hgweb, _LazyModule)
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141 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb)
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142 assert isinstance(hgweb.hgweb_mod, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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parents: 41505
diff changeset
143 assert (
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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diff changeset
144 f(hgweb.hgweb_mod) == "<module 'mercurial.hgweb.hgweb_mod' from '?'>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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parents: 41505
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145 ), f(hgweb.hgweb_mod)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
146 else:
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parents: 41505
diff changeset
147 assert f(hgweb) == "<unloaded module 'hgweb'>", f(hgweb)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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parents: 41505
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148 assert f(hgweb.hgweb_mod) == "<unloaded module 'hgweb_mod'>", f(
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parents: 41505
diff changeset
149 hgweb.hgweb_mod
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
150 )
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
151
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diff changeset
152 assert f(hgweb) == "<module 'mercurial.hgweb' from '?'>", f(hgweb)
27535
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Bryan O'Sullivan <bos@serpentine.com>
parents: 23643
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153
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154 import re as fred
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diff changeset
155
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
156 if ispy3:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
157 assert not isinstance(fred, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
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parents: 41505
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158 assert f(fred) == "<module 're' from '?'>"
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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159 else:
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160 assert f(fred) == "<unloaded module 're'>", f(fred)
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Matt Mackall <mpm@selenic.com>
parents:
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161
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Yuya Nishihara <yuya@tcha.org>
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162 import re as remod
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
163
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
164 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
165 assert not isinstance(remod, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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166 assert f(remod) == "<module 're' from '?'>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
167 else:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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168 assert f(remod) == "<unloaded module 're'>", f(remod)
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169
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170 import sys as re
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diff changeset
171
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
172 if ispy3:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
173 assert not isinstance(re, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
174 assert f(re) == "<module 'sys' (built-in)>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
175 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
176 assert f(re) == "<unloaded module 'sys'>", f(re)
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
177
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diff changeset
178 if ispy3:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
179 assert not isinstance(fred, _LazyModule)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
180 assert f(fred) == "<module 're' from '?'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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181 else:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
182 assert f(fred) == "<unloaded module 're'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
183
41505
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diff changeset
184 assert f(fred.sub) == '<function sub at 0x?>', f(fred.sub)
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
185
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
186 if ispy3:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
187 assert not isinstance(fred, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
188 assert f(fred) == "<module 're' from '?'>", f(fred)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
189 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
190 assert f(fred) == "<proxied module 're'>", f(fred)
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
191
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parents: 30647
diff changeset
192 remod.escape # use remod
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diff changeset
193 assert f(remod) == "<module 're' from '?'>", f(remod)
32447
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Yuya Nishihara <yuya@tcha.org>
parents: 30647
diff changeset
194
41506
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diff changeset
195 if ispy3:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
196 assert not isinstance(re, _LazyModule)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
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197 assert f(re) == "<module 'sys' (built-in)>"
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parents: 41505
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198 assert f(type(re.stderr)) == "<class '_io.TextIOWrapper'>", f(
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
199 type(re.stderr)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
200 )
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
201 assert f(re) == "<module 'sys' (built-in)>"
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
202 else:
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
203 assert f(re) == "<unloaded module 'sys'>", f(re)
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
204 assert f(re.stderr) == "<open file '<whatever>', mode 'w' at 0x?>", f(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
205 re.stderr
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
206 )
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
207 assert f(re) == "<proxied module 'sys'>", f(re)
21025
54af51c18c4c demandimport: make it possible to disable by setting HGDEMANDIMPORT=disable
Mads Kiilerich <madski@unity3d.com>
parents: 13083
diff changeset
208
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
209 assert 'telnetlib' not in sys.modules
30248d6bc057 tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
210 import telnetlib
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
211
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
212 if ispy3:
44118
f81c17ec303c hgdemandimport: apply lazy module loading to sys.meta_path finders
Gregory Szorc <gregory.szorc@gmail.com>
parents: 44117
diff changeset
213 assert isinstance(telnetlib, _LazyModule)
41507
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parents: 41506
diff changeset
214 assert f(telnetlib) == "<module 'telnetlib' from '?'>"
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
215 else:
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
216 assert f(telnetlib) == "<unloaded module 'telnetlib'>", f(telnetlib)
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
217
30022
26a4e46af2bc demandimport: error out early on missing attribute of non package (issue5373)
Yuya Nishihara <yuya@tcha.org>
parents: 29981
diff changeset
218 try:
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
219 from telnetlib import unknownattr
41505
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
220
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
221 assert False, (
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
222 'no demandmod should be created for attribute of non-package '
41507
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
223 'module:\ntelnetlib.unknownattr = %s' % f(unknownattr)
41505
dffd6a301570 py3: replace print() with assert in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37964
diff changeset
224 )
30022
26a4e46af2bc demandimport: error out early on missing attribute of non package (issue5373)
Yuya Nishihara <yuya@tcha.org>
parents: 29981
diff changeset
225 except ImportError as inst:
41506
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
226 assert rsub(r"'", '', str(inst)).startswith(
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
227 'cannot import name unknownattr'
3e89736b98ce py3: conditionalize test-demandimport.py for Python 3
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41505
diff changeset
228 )
30647
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
Yuya Nishihara <yuya@tcha.org>
parents: 30022
diff changeset
229
37964
1d0610fdd63b tests: migrate demandimport.py away from deprecated `util` module symbols
Matt Harbison <matt_harbison@yahoo.com>
parents: 36251
diff changeset
230 from mercurial import util
1d0610fdd63b tests: migrate demandimport.py away from deprecated `util` module symbols
Matt Harbison <matt_harbison@yahoo.com>
parents: 36251
diff changeset
231
30647
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parents: 30022
diff changeset
232 # Unlike the import statement, __import__() function should not raise
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
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diff changeset
233 # ImportError even if fromlist has an unknown item
1914db1b7d9e demandimport: do not raise ImportError for unknown item in fromlist
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parents: 30022
diff changeset
234 # (see Python/import.c:import_module_level() and ensure_fromlist())
45396
fc8299319ffe tests: fix test-demandimport.py on Python 3.9
Manuel Jacob <me@manueljacob.de>
parents: 44118
diff changeset
235 assert 'ftplib' not in sys.modules
fc8299319ffe tests: fix test-demandimport.py on Python 3.9
Manuel Jacob <me@manueljacob.de>
parents: 44118
diff changeset
236 zipfileimp = __import__('ftplib', globals(), locals(), ['unknownattr'])
fc8299319ffe tests: fix test-demandimport.py on Python 3.9
Manuel Jacob <me@manueljacob.de>
parents: 44118
diff changeset
237 assert f(zipfileimp) == "<module 'ftplib' from '?'>", f(zipfileimp)
41507
30248d6bc057 tests: use unimported modules in test-demandimport.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41506
diff changeset
238 assert not util.safehasattr(zipfileimp, 'unknownattr')