Fix bug 9340 - argparse parse_known_args didn't work with subparsers
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index 1503ccd..74075bb 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -1773,6 +1773,28 @@
NS(foo=True, bar=0.125, w=None, x='c'),
)
+ def test_parse_known_args(self):
+ self.assertEqual(
+ self.parser.parse_known_args('0.5 1 b -w 7'.split()),
+ (NS(foo=False, bar=0.5, w=7, x='b'), []),
+ )
+ self.assertEqual(
+ self.parser.parse_known_args('0.5 -p 1 b -w 7'.split()),
+ (NS(foo=False, bar=0.5, w=7, x='b'), ['-p']),
+ )
+ self.assertEqual(
+ self.parser.parse_known_args('0.5 1 b -w 7 -p'.split()),
+ (NS(foo=False, bar=0.5, w=7, x='b'), ['-p']),
+ )
+ self.assertEqual(
+ self.parser.parse_known_args('0.5 1 b -q -rs -w 7'.split()),
+ (NS(foo=False, bar=0.5, w=7, x='b'), ['-q', '-rs']),
+ )
+ self.assertEqual(
+ self.parser.parse_known_args('0.5 -W 1 b -X Y -w 7 Z'.split()),
+ (NS(foo=False, bar=0.5, w=7, x='b'), ['-W', '-X', 'Y', 'Z']),
+ )
+
def test_dest(self):
parser = ErrorRaisingArgumentParser()
parser.add_argument('--foo', action='store_true')