Mercurial > hg
annotate tests/test-demandimport.py @ 36237:b39f0fdb0338
tests: actually check that HGDEMANDIMPORT=disable disables demandimport
At the point in the test where we were checking that the 'node' got
eagerly loaded, it had already been loaded (via the pvec module), so
our check wasn't doing anything (i.e. the test would pass even if you
removed the line that set HGDEMANDIMPORT=disable). Let's move this
test earlier so it tests what it was meant to test.
Differential Revision: https://phab.mercurial-scm.org/D2286
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 16 Feb 2018 11:30:18 -0800 |
parents | eddca62d9e64 |
children | c2c5f9f6fa21 |
rev | line source |
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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 demandimport.enable() |
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5 |
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6 import os |
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7 import subprocess |
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8 import sys |
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9 |
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10 # Only run if demandimport is allowed |
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11 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], |
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12 'demandimport']): |
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13 sys.exit(80) |
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14 |
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15 if os.name != 'nt': |
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16 try: |
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17 import distutils.msvc9compiler |
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18 print('distutils.msvc9compiler needs to be an immediate ' |
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19 'importerror on non-windows platforms') |
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20 distutils.msvc9compiler |
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21 except ImportError: |
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22 pass |
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23 |
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24 import re |
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25 |
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26 rsub = re.sub |
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27 def f(obj): |
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28 l = repr(obj) |
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29 l = rsub("0x[0-9a-fA-F]+", "0x?", l) |
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30 l = rsub("from '.*'", "from '?'", l) |
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31 l = rsub("'<[a-z]*>'", "'<whatever>'", l) |
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32 return l |
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33 |
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34 demandimport.disable() |
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35 os.environ['HGDEMANDIMPORT'] = 'disable' |
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36 # this enable call should not actually enable demandimport! |
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37 demandimport.enable() |
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38 from mercurial import node |
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39 print("node =", f(node)) |
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40 # now enable it for real |
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41 del os.environ['HGDEMANDIMPORT'] |
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42 demandimport.enable() |
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43 |
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44 import os |
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45 |
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46 print("os =", f(os)) |
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47 print("os.system =", f(os.system)) |
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48 print("os =", f(os)) |
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49 |
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50 from mercurial import util |
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51 |
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52 print("util =", f(util)) |
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53 print("util.system =", f(util.system)) |
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54 print("util =", f(util)) |
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55 print("util.system =", f(util.system)) |
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56 |
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57 from mercurial import hgweb |
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58 print("hgweb =", f(hgweb)) |
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59 print("hgweb_mod =", f(hgweb.hgweb_mod)) |
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60 print("hgweb =", f(hgweb)) |
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61 |
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62 import re as fred |
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63 print("fred =", f(fred)) |
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64 |
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65 import re as remod |
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66 print("remod =", f(remod)) |
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67 |
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68 import sys as re |
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69 print("re =", f(re)) |
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70 |
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71 print("fred =", f(fred)) |
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72 print("fred.sub =", f(fred.sub)) |
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73 print("fred =", f(fred)) |
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74 |
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75 remod.escape # use remod |
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76 print("remod =", f(remod)) |
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77 |
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78 print("re =", f(re)) |
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79 print("re.stderr =", f(re.stderr)) |
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80 print("re =", f(re)) |
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81 |
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82 # Test access to special attributes through demandmod proxy |
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83 from mercurial import pvec as pvecproxy |
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84 print("pvecproxy =", f(pvecproxy)) |
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85 print("pvecproxy.__doc__ = %r" |
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86 % (' '.join(pvecproxy.__doc__.split()[:3]) + ' ...')) |
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87 print("pvecproxy.__name__ = %r" % pvecproxy.__name__) |
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88 # __name__ must be accessible via __dict__ so the relative imports can be |
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89 # resolved |
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90 print("pvecproxy.__dict__['__name__'] = %r" % pvecproxy.__dict__['__name__']) |
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91 print("pvecproxy =", f(pvecproxy)) |
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92 |
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93 import contextlib |
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94 print("contextlib =", f(contextlib)) |
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95 try: |
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96 from contextlib import unknownattr |
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97 print('no demandmod should be created for attribute of non-package ' |
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98 'module:\ncontextlib.unknownattr =', f(unknownattr)) |
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99 except ImportError as inst: |
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100 print('contextlib.unknownattr = ImportError: %s' |
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101 % rsub(r"'", '', str(inst))) |
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102 |
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103 # Unlike the import statement, __import__() function should not raise |
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104 # ImportError even if fromlist has an unknown item |
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105 # (see Python/import.c:import_module_level() and ensure_fromlist()) |
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106 contextlibimp = __import__('contextlib', globals(), locals(), ['unknownattr']) |
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107 print("__import__('contextlib', ..., ['unknownattr']) =", f(contextlibimp)) |
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108 print("hasattr(contextlibimp, 'unknownattr') =", |
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109 util.safehasattr(contextlibimp, 'unknownattr')) |