def setUp(self):
self.cfg = Config()
self.cfg.popcon_index = "test_data/.sample_pxi"
self.cfg.popcon_dir = "test_data/popcon_dir"
self.cfg.clusters_dir = "test_data/clusters_dir"
# build old index for all tests
shutil.rmtree(self.cfg.popcon_index,1)
self.assertFalse(os.path.exists(self.cfg.popcon_index))
# local variable, index will be closed before test
pxi = PopconXapianIndex(self.cfg)
self.assertEqual(pxi.get_metadata("old"),"")
pxi.set_metadata("old","true")
