Mercurial > hg
annotate tests/test-filecache.py @ 19423:5046fede7684
gendoc: rename to showdoc from show_doc
This function prints hg.1.gendoc.txt content.
author | Takumi IINO <trot.thunder@gmail.com> |
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date | Wed, 03 Jul 2013 21:49:37 +0900 |
parents | f36375576ed5 |
children | ed80cecdfc57 |
rev | line source |
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14928 | 1 import sys, os, subprocess |
2 | |
16683 | 3 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], |
4 'cacheable']): | |
14928 | 5 sys.exit(80) |
6 | |
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7 from mercurial import util, scmutil, extensions, hg, ui |
14928 | 8 |
9 filecache = scmutil.filecache | |
10 | |
11 class fakerepo(object): | |
12 def __init__(self): | |
13 self._filecache = {} | |
14 | |
15 def join(self, p): | |
16 return p | |
17 | |
18 def sjoin(self, p): | |
19 return p | |
20 | |
21 @filecache('x') | |
22 def cached(self): | |
23 print 'creating' | |
24 | |
25 def invalidate(self): | |
26 for k in self._filecache: | |
27 try: | |
28 delattr(self, k) | |
29 except AttributeError: | |
30 pass | |
31 | |
32 def basic(repo): | |
33 # file doesn't exist, calls function | |
34 repo.cached | |
35 | |
36 repo.invalidate() | |
37 # file still doesn't exist, uses cache | |
38 repo.cached | |
39 | |
40 # create empty file | |
41 f = open('x', 'w') | |
42 f.close() | |
43 repo.invalidate() | |
44 # should recreate the object | |
45 repo.cached | |
46 | |
47 f = open('x', 'w') | |
48 f.write('a') | |
49 f.close() | |
50 repo.invalidate() | |
51 # should recreate the object | |
52 repo.cached | |
53 | |
54 repo.invalidate() | |
55 # stats file again, nothing changed, reuses object | |
56 repo.cached | |
57 | |
58 # atomic replace file, size doesn't change | |
59 # hopefully st_mtime doesn't change as well so this doesn't use the cache | |
60 # because of inode change | |
61 f = scmutil.opener('.')('x', 'w', atomictemp=True) | |
62 f.write('b') | |
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63 f.close() |
14928 | 64 |
65 repo.invalidate() | |
66 repo.cached | |
67 | |
68 def fakeuncacheable(): | |
69 def wrapcacheable(orig, *args, **kwargs): | |
70 return False | |
71 | |
72 def wrapinit(orig, *args, **kwargs): | |
73 pass | |
74 | |
75 originit = extensions.wrapfunction(util.cachestat, '__init__', wrapinit) | |
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76 origcacheable = extensions.wrapfunction(util.cachestat, 'cacheable', |
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77 wrapcacheable) |
14928 | 78 |
79 try: | |
80 os.remove('x') | |
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81 except OSError: |
14928 | 82 pass |
83 | |
84 basic(fakerepo()) | |
85 | |
86 util.cachestat.cacheable = origcacheable | |
87 util.cachestat.__init__ = originit | |
88 | |
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89 def test_filecache_synced(): |
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90 # test old behaviour that caused filecached properties to go out of sync |
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91 os.system('hg init && echo a >> a && hg ci -qAm.') |
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92 repo = hg.repository(ui.ui()) |
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93 # first rollback clears the filecache, but changelog to stays in __dict__ |
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94 repo.rollback() |
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95 repo.commit('.') |
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96 # second rollback comes along and touches the changelog externally |
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97 # (file is moved) |
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98 repo.rollback() |
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99 # but since changelog isn't under the filecache control anymore, we don't |
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100 # see that it changed, and return the old changelog without reconstructing |
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101 # it |
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102 repo.commit('.') |
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103 |
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104 def setbeforeget(repo): |
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105 os.remove('x') |
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106 repo.cached = 0 |
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107 repo.invalidate() |
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108 print repo.cached |
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109 repo.invalidate() |
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110 f = open('x', 'w') |
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111 f.write('a') |
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112 f.close() |
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113 print repo.cached |
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114 |
14928 | 115 print 'basic:' |
116 print | |
117 basic(fakerepo()) | |
118 print | |
119 print 'fakeuncacheable:' | |
120 print | |
121 fakeuncacheable() | |
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122 test_filecache_synced() |
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123 print |
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124 print 'setbeforeget:' |
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125 print |
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126 setbeforeget(fakerepo()) |