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Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_argparse.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py index a2f9a69..cd80dc6 100644 --- a/Lib/test/test_argparse.py +++ b/Lib/test/test_argparse.py @@ -4516,6 +4516,16 @@ class TestTypeFunctionCallWithNonStringDefault(TestCase): args = parser.parse_args([]) self.assertEqual(NS(foo='foo_converted'), args) + def test_issue_15906(self): + # Issue #15906: When action='append', type=str, default=[] are + # providing, the dest value was the string representation "[]" when it + # should have been an empty list. + parser = argparse.ArgumentParser() + parser.add_argument('--test', dest='test', type=str, + default=[], action='append') + args = parser.parse_args([]) + self.assertEqual(args.test, []) + # ====================== # parse_known_args tests # ====================== |