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Viewing changes to bzrlib/tests/test_hashcache.py

  • Committer: Ian Clatworthy
  • Date: 2007-08-13 14:16:53 UTC
  • mto: (2733.1.1 ianc-integration)
  • mto: This revision was merged to the branch mainline in revision 2734.
  • Revision ID: ian.clatworthy@internode.on.net-20070813141653-3cbrp00xowq58zv1
Added mini tutorial

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bzrlib/tests/test_hashcache.py
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# Copyright (C) 2005-2009, 2011 Canonical Ltd
 
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# Copyright (C) 2005, 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
 
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import sha
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import stat
 
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import sys
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import time
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from bzrlib import osutils
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from bzrlib.errors import BzrError
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from bzrlib.hashcache import HashCache
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from bzrlib.tests import (
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    OsFifoFeature,
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    TestCaseInTempDir,
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    )
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sha1 = osutils.sha_string
 
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from bzrlib.tests import TestCaseInTempDir, TestSkipped, TestCase
 
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def sha1(t):
 
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    return sha.new(t).hexdigest()
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def pause():
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    def test_hashcache_raise(self):
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        """check that hashcache can raise BzrError"""
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        self.requireFeature(OsFifoFeature)
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        hc = self.make_hashcache()
 
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        if getattr(os, 'mkfifo', None) is None:
 
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            raise TestSkipped('filesystem fifos not supported on this system')
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        os.mkfifo('a')
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        # It's possible that the system supports fifos but the filesystem
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        # can't.  In that case we should skip at this point.  But in fact
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                10, 20,
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                stat.S_IFREG | 0600)
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    def _really_sha1_file(self, abspath, filters):
 
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    def _really_sha1_file(self, abspath):
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        if abspath in self._files:
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            return sha1(self._files[abspath][0])
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        else:
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    def pretend_to_sleep(self, secs):
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        self._clock += secs
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class TestHashCacheFakeFilesystem(TestCaseInTempDir):
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    """Tests the hashcache using a simulated OS.
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    """
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        self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
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        self.assertEquals(hc.miss_count, 1)
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        self.assertEquals(hc.hit_count, 0)
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        # if we try again it's still too new;
 
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        # if we try again it's still too new; 
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        self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
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        self.assertEquals(hc.miss_count, 2)
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        self.assertEquals(hc.hit_count, 0)