test_pytables.py 文件源码

def test_read_hdf_errors(self):
        df = DataFrame(np.random.rand(4, 5),
                       index=list('abcd'),
                       columns=list('ABCDE'))

        with ensure_clean_path(self.path) as path:
            self.assertRaises(IOError, read_hdf, path, 'key')
            df.to_hdf(path, 'df')
            store = HDFStore(path, mode='r')
            store.close()
            self.assertRaises(IOError, read_hdf, store, 'df')
            with open(path, mode='r') as store:
                self.assertRaises(NotImplementedError, read_hdf, store, 'df')