Roll //third_party/typ to v0.9.9

third_party/typ/typ/tests/arg_parser_test.py

 # Copyright 2014 Dirk Pranke. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 26 matching lines @@
             args = parser.parse_args(argv)
             actual_argv = parser.argv_from_args(args)
             expected = expected or argv
             self.assertEqual(expected, actual_argv)
 
         check(['--version'])
         check(['--coverage', '--coverage-omit', 'foo'])
         check(['--jobs', '3'])
         check(['-vv'], ['--verbose', '--verbose'])
 
+    def test_argv_from_args_foreign_argument(self):
+        parser = ArgumentParser()
+        parser.add_argument('--some-foreign-argument', default=False,
+                            action='store_true')
+        args = parser.parse_args(['--some-foreign-argument', '--verbose'])
+        self.assertEqual(['--verbose'], ArgumentParser().argv_from_args(args))
+
     def test_valid_shard_options(self):
         parser = ArgumentParser()
 
         parser.parse_args(['--total-shards', '1'])
         self.assertEqual(parser.exit_status, None)
 
         parser.parse_args(['--total-shards', '5', '--shard-index', '4'])
         self.assertEqual(parser.exit_status, None)
 
         parser.parse_args(['--total-shards', '5', '--shard-index', '0'])
@@ skipping 10 matching lines @@
         self.assertEqual(parser.exit_status, 2)
 
         parser.parse_args(['--total-shards', '5', '--shard-index', '-1'])
         self.assertEqual(parser.exit_status, 2)
 
         parser.parse_args(['--total-shards', '5', '--shard-index', '5'])
         self.assertEqual(parser.exit_status, 2)
 
         parser.parse_args(['--total-shards', '5', '--shard-index', '6'])
         self.assertEqual(parser.exit_status, 2)