def test_pandas_and_chunks_pandas():
df = pd.DataFrame({'a': [1, 2, 3, 4], 'b': [1., 2., 3., 4.]})
c = dataframe_to_chunks_dataframe(df, chunksize=2)
assert isinstance(c, chunks(pd.DataFrame))
assert len(list(c)) == 2
df2 = chunks_dataframe_to_dataframe(c)
tm.assert_frame_equal(df, df2)
def test_pandas_and_chunks_pandas():
df = pd.DataFrame({'a': [1, 2, 3, 4], 'b': [1., 2., 3., 4.]})
c = dataframe_to_chunks_dataframe(df, chunksize=2)
assert isinstance(c, chunks(pd.DataFrame))
assert len(list(c)) == 2
df2 = chunks_dataframe_to_dataframe(c)
tm.assert_frame_equal(df, df2)