Mercurial > hg
view tests/test-filecache.py @ 17725:ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
This patch defines "join()" in each classes derived from "abstractvfs"
except "vfs", which already defines it.
This allows all vfs instances to be used for indirect file API
invocation.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Tue, 09 Oct 2012 01:41:55 +0900 |
parents | cfb6682961b8 |
children | 3e4a944c0d04 |
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import sys, os, subprocess if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], 'cacheable']): sys.exit(80) from mercurial import util, scmutil, extensions filecache = scmutil.filecache class fakerepo(object): def __init__(self): self._filecache = {} def join(self, p): return p def sjoin(self, p): return p @filecache('x') def cached(self): print 'creating' def invalidate(self): for k in self._filecache: try: delattr(self, k) except AttributeError: pass def basic(repo): # file doesn't exist, calls function repo.cached repo.invalidate() # file still doesn't exist, uses cache repo.cached # create empty file f = open('x', 'w') f.close() repo.invalidate() # should recreate the object repo.cached f = open('x', 'w') f.write('a') f.close() repo.invalidate() # should recreate the object repo.cached repo.invalidate() # stats file again, nothing changed, reuses object repo.cached # atomic replace file, size doesn't change # hopefully st_mtime doesn't change as well so this doesn't use the cache # because of inode change f = scmutil.opener('.')('x', 'w', atomictemp=True) f.write('b') f.close() repo.invalidate() repo.cached def fakeuncacheable(): def wrapcacheable(orig, *args, **kwargs): return False def wrapinit(orig, *args, **kwargs): pass originit = extensions.wrapfunction(util.cachestat, '__init__', wrapinit) origcacheable = extensions.wrapfunction(util.cachestat, 'cacheable', wrapcacheable) try: os.remove('x') except OSError: pass basic(fakerepo()) util.cachestat.cacheable = origcacheable util.cachestat.__init__ = originit print 'basic:' print basic(fakerepo()) print print 'fakeuncacheable:' print fakeuncacheable()