def test_use_petl(self):
# confirm that this method doesn't exist for parsons.Table
self.assertRaises(AttributeError, getattr, Table, 'skipcomments')
tbl = Table([['col1', 'col2'], [
'# this is a comment row',
], ['a', 1], ['#this is another comment', 'this is also ignored'],
['b', 2]])
tbl_expected = Table([['col1', 'col2'], ['a', 1], ['b', 2]])
tbl_after = tbl.use_petl('skipcomments', '#')
assert_matching_tables(tbl_expected, tbl_after)
tbl.use_petl('skipcomments', '#', update_table=True)
assert_matching_tables(tbl_expected, tbl)
from petl.util.base import Table as PetlTable
tbl_petl = tbl.use_petl('skipcomments', '#', to_petl=True)
self.assertIsInstance(tbl_petl, PetlTable)
