import unittest

import pandas as pd

from pandas.testing import assert_frame_equal

class TestPandasPytables(unittest.TestCase):

def test_rw_hd5(self):

want = pd.DataFrame([[1, 1.0, 'a']], columns=['x', 'y', 'z'])

want.to_hdf('./want.h5', 'data')

got = pd.read_hdf('./want.h5')

assert_frame_equal(want, got)