Mercurial > hg
view tests/test-filecache.py @ 22162:7ada34676db8
help: provide help of bad alias without executing aliascmd()
The output is slightly changed because of minirst formatting. Previously,
ui.pushbuffer() had no effect because "badalias" message was written to stderr.
"if not unknowncmd" should no longer be needed because there's no call loop.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Wed, 13 Aug 2014 19:38:47 +0900 |
parents | b3684fd2ff1a |
children | ce26928cbe41 |
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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, hg, ui 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', 'y') def cached(self): print 'creating' return 'string from function' def invalidate(self): for k in self._filecache: try: delattr(self, k) except AttributeError: pass def basic(repo): print "* neither file exists" # calls function repo.cached repo.invalidate() print "* neither file still exists" # uses cache repo.cached # create empty file f = open('x', 'w') f.close() repo.invalidate() print "* empty file x created" # should recreate the object repo.cached f = open('x', 'w') f.write('a') f.close() repo.invalidate() print "* file x changed size" # should recreate the object repo.cached repo.invalidate() print "* nothing changed with either file" # stats file again, 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() print "* file x changed inode" repo.cached # create empty file y f = open('y', 'w') f.close() repo.invalidate() print "* empty file y created" # should recreate the object repo.cached f = open('y', 'w') f.write('A') f.close() repo.invalidate() print "* file y changed size" # should recreate the object repo.cached f = scmutil.opener('.')('y', 'w', atomictemp=True) f.write('B') f.close() repo.invalidate() print "* file y changed inode" repo.cached f = scmutil.opener('.')('x', 'w', atomictemp=True) f.write('c') f.close() f = scmutil.opener('.')('y', 'w', atomictemp=True) f.write('C') f.close() repo.invalidate() print "* both files changed inode" 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) for fn in ['x', 'y']: try: os.remove(fn) except OSError: pass basic(fakerepo()) util.cachestat.cacheable = origcacheable util.cachestat.__init__ = originit def test_filecache_synced(): # test old behaviour that caused filecached properties to go out of sync os.system('hg init && echo a >> a && hg ci -qAm.') repo = hg.repository(ui.ui()) # first rollback clears the filecache, but changelog to stays in __dict__ repo.rollback() repo.commit('.') # second rollback comes along and touches the changelog externally # (file is moved) repo.rollback() # but since changelog isn't under the filecache control anymore, we don't # see that it changed, and return the old changelog without reconstructing # it repo.commit('.') def setbeforeget(repo): os.remove('x') os.remove('y') repo.cached = 'string set externally' repo.invalidate() print "* neither file exists" print repo.cached repo.invalidate() f = open('x', 'w') f.write('a') f.close() print "* file x created" print repo.cached repo.cached = 'string 2 set externally' repo.invalidate() print "* string set externally again" print repo.cached repo.invalidate() f = open('y', 'w') f.write('b') f.close() print "* file y created" print repo.cached print 'basic:' print basic(fakerepo()) print print 'fakeuncacheable:' print fakeuncacheable() test_filecache_synced() print print 'setbeforeget:' print setbeforeget(fakerepo())