'Test reading bytes containing fixed bytes data.'

def test_fixed(self):

    data = 'foobar'
    fo = io.BytesIO(data)
    self.assertEqual(data[:3], parquet.encoding.read_plain_byte_array_fixed(fo, 3))
    self.assertEqual(data[3:], parquet.encoding.read_plain_byte_array_fixed(fo, 3))
