test_apthistory.py 文件源码

def test_apthistory_rescan_big(self):
        """ create big history file and ensure that on rescan the
            events are still processed
        """
        self._timeouts = []
        new_history = os.path.join(self.basedir,"history.log.2")
        try:
            os.remove(new_history+".gz")
        except OSError: 
            pass
        history = self._get_apt_history()
        self.assertEqual(len(history.transactions), 186)
        self._generate_big_history_file(new_history)
        timer_id = GObject.timeout_add(100, self._glib_timeout)
        with ExecutionTime("rescan %s byte file" % os.path.getsize(new_history+".gz")):
            history._rescan(use_cache=False)
        GObject.source_remove(timer_id)
        # verify rescan
        self.assertTrue(len(history.transactions) > 186)
        # check the timeouts
        self.assertTrue(len(self._timeouts) > 0)
        for i in range(len(self._timeouts)-1):
            # check that we get a max timeout of 0.2s
            if abs(self._timeouts[i] - self._timeouts[i+1]) > 0.2:
                raise
        os.remove(new_history+".gz")