test_pytables.py 文件源码

def test_read_hdf_open_store(self):
        # GH10330
        # No check for non-string path_or-buf, and no test of open store
        df = DataFrame(np.random.rand(4, 5),
                       index=list('abcd'),
                       columns=list('ABCDE'))
        df.index.name = 'letters'
        df = df.set_index(keys='E', append=True)

        with ensure_clean_path(self.path) as path:
            df.to_hdf(path, 'df', mode='w')
            direct = read_hdf(path, 'df')
            store = HDFStore(path, mode='r')
            indirect = read_hdf(store, 'df')
            tm.assert_frame_equal(direct, indirect)
            self.assertTrue(store.is_open)
            store.close()