Mercurial > hg
annotate tests/test-filecache.py @ 26866:0f75461a9698
test: enforce non-general delta in 'test-generaldelta.t'
If general delta becomes the default, we need to be explicit about what we
want to be tested.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Sun, 18 Oct 2015 18:49:59 +0200 |
parents | ce26928cbe41 |
children | fc5f548393bf |
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 | |
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21 @filecache('x', 'y') |
14928 | 22 def cached(self): |
23 print 'creating' | |
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24 return 'string from function' |
14928 | 25 |
26 def invalidate(self): | |
27 for k in self._filecache: | |
28 try: | |
29 delattr(self, k) | |
30 except AttributeError: | |
31 pass | |
32 | |
33 def basic(repo): | |
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34 print "* neither file exists" |
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35 # calls function |
14928 | 36 repo.cached |
37 | |
38 repo.invalidate() | |
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39 print "* neither file still exists" |
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40 # uses cache |
14928 | 41 repo.cached |
42 | |
43 # create empty file | |
44 f = open('x', 'w') | |
45 f.close() | |
46 repo.invalidate() | |
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47 print "* empty file x created" |
14928 | 48 # should recreate the object |
49 repo.cached | |
50 | |
51 f = open('x', 'w') | |
52 f.write('a') | |
53 f.close() | |
54 repo.invalidate() | |
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55 print "* file x changed size" |
14928 | 56 # should recreate the object |
57 repo.cached | |
58 | |
59 repo.invalidate() | |
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60 print "* nothing changed with either file" |
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61 # stats file again, reuses object |
14928 | 62 repo.cached |
63 | |
64 # atomic replace file, size doesn't change | |
65 # hopefully st_mtime doesn't change as well so this doesn't use the cache | |
66 # because of inode change | |
67 f = scmutil.opener('.')('x', 'w', atomictemp=True) | |
68 f.write('b') | |
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69 f.close() |
14928 | 70 |
71 repo.invalidate() | |
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72 print "* file x changed inode" |
14928 | 73 repo.cached |
74 | |
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75 # create empty file y |
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76 f = open('y', 'w') |
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77 f.close() |
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78 repo.invalidate() |
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79 print "* empty file y created" |
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80 # should recreate the object |
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81 repo.cached |
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82 |
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83 f = open('y', 'w') |
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84 f.write('A') |
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85 f.close() |
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86 repo.invalidate() |
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87 print "* file y changed size" |
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88 # should recreate the object |
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89 repo.cached |
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90 |
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91 f = scmutil.opener('.')('y', 'w', atomictemp=True) |
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92 f.write('B') |
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93 f.close() |
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94 |
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95 repo.invalidate() |
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96 print "* file y changed inode" |
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97 repo.cached |
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98 |
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99 f = scmutil.opener('.')('x', 'w', atomictemp=True) |
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100 f.write('c') |
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101 f.close() |
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102 f = scmutil.opener('.')('y', 'w', atomictemp=True) |
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103 f.write('C') |
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104 f.close() |
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105 |
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106 repo.invalidate() |
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107 print "* both files changed inode" |
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108 repo.cached |
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109 |
14928 | 110 def fakeuncacheable(): |
111 def wrapcacheable(orig, *args, **kwargs): | |
112 return False | |
113 | |
114 def wrapinit(orig, *args, **kwargs): | |
115 pass | |
116 | |
117 originit = extensions.wrapfunction(util.cachestat, '__init__', wrapinit) | |
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118 origcacheable = extensions.wrapfunction(util.cachestat, 'cacheable', |
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119 wrapcacheable) |
14928 | 120 |
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121 for fn in ['x', 'y']: |
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122 try: |
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123 os.remove(fn) |
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124 except OSError: |
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125 pass |
14928 | 126 |
127 basic(fakerepo()) | |
128 | |
129 util.cachestat.cacheable = origcacheable | |
130 util.cachestat.__init__ = originit | |
131 | |
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132 def test_filecache_synced(): |
26098 | 133 # test old behavior that caused filecached properties to go out of sync |
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134 os.system('hg init && echo a >> a && hg ci -qAm.') |
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135 repo = hg.repository(ui.ui()) |
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136 # first rollback clears the filecache, but changelog to stays in __dict__ |
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137 repo.rollback() |
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138 repo.commit('.') |
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139 # second rollback comes along and touches the changelog externally |
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140 # (file is moved) |
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141 repo.rollback() |
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142 # but since changelog isn't under the filecache control anymore, we don't |
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143 # see that it changed, and return the old changelog without reconstructing |
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144 # it |
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145 repo.commit('.') |
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146 |
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147 def setbeforeget(repo): |
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148 os.remove('x') |
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149 os.remove('y') |
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150 repo.cached = 'string set externally' |
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151 repo.invalidate() |
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152 print "* neither file exists" |
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153 print repo.cached |
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154 repo.invalidate() |
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155 f = open('x', 'w') |
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156 f.write('a') |
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157 f.close() |
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158 print "* file x created" |
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159 print repo.cached |
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160 |
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161 repo.cached = 'string 2 set externally' |
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162 repo.invalidate() |
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163 print "* string set externally again" |
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164 print repo.cached |
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165 |
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166 repo.invalidate() |
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167 f = open('y', 'w') |
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168 f.write('b') |
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169 f.close() |
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170 print "* file y created" |
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171 print repo.cached |
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172 |
14928 | 173 print 'basic:' |
174 print | |
175 basic(fakerepo()) | |
176 print | |
177 print 'fakeuncacheable:' | |
178 print | |
179 fakeuncacheable() | |
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180 test_filecache_synced() |
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181 print |
f36375576ed5
filecache: create an entry in _filecache when __set__ is called for a missing one
Idan Kamara <idankk86@gmail.com>
parents:
18313
diff
changeset
|
182 print 'setbeforeget:' |
f36375576ed5
filecache: create an entry in _filecache when __set__ is called for a missing one
Idan Kamara <idankk86@gmail.com>
parents:
18313
diff
changeset
|
183 print |
f36375576ed5
filecache: create an entry in _filecache when __set__ is called for a missing one
Idan Kamara <idankk86@gmail.com>
parents:
18313
diff
changeset
|
184 setbeforeget(fakerepo()) |