[3.12] gh-116858: Add `@cpython_only` to several tests in `test_cmd_line` (GH-116859...

diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 94298003063593177a571557455c4863b8178d1a..a7d2bb0e3d91fde6ae2987b2601b1fa786b732b3 100644 (file)
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -38,6 +38,7 @@ class CmdLineTest(unittest.TestCase):
         self.assertNotIn(b'Traceback', err)
         return out
 
+    @support.cpython_only
     def test_help(self):
         self.verify_valid_flag('-h')
         self.verify_valid_flag('-?')
@@ -48,14 +49,17 @@ class CmdLineTest(unittest.TestCase):
         self.assertNotIn(b'-X dev', out)
         self.assertLess(len(lines), 50)
 
+    @support.cpython_only
     def test_help_env(self):
         out = self.verify_valid_flag('--help-env')
         self.assertIn(b'PYTHONHOME', out)
 
+    @support.cpython_only
     def test_help_xoptions(self):
         out = self.verify_valid_flag('--help-xoptions')
         self.assertIn(b'-X dev', out)
 
+    @support.cpython_only
     def test_help_all(self):
         out = self.verify_valid_flag('--help-all')
         lines = out.splitlines()
@@ -74,6 +78,7 @@ class CmdLineTest(unittest.TestCase):
     def test_site_flag(self):
         self.verify_valid_flag('-S')
 
+    @support.cpython_only
     def test_version(self):
         version = ('Python %d.%d' % sys.version_info[:2]).encode("ascii")
         for switch in '-V', '--version', '-VV':
@@ -139,6 +144,7 @@ class CmdLineTest(unittest.TestCase):
         else:
             self.assertEqual(err, b'')
 
+    @support.cpython_only
     def test_xoption_frozen_modules(self):
         tests = {
             ('=on', 'FrozenImporter'),
@@ -567,6 +573,7 @@ class CmdLineTest(unittest.TestCase):
             print("del sys.modules['__main__']", file=script)
         assert_python_ok(filename)
 
+    @support.cpython_only
     def test_unknown_options(self):
         rc, out, err = assert_python_failure('-E', '-z')
         self.assertIn(b'Unknown option: -z', err)
@@ -681,6 +688,7 @@ class CmdLineTest(unittest.TestCase):
             self.assertEqual(proc.returncode, 0, proc)
         return proc.stdout.rstrip()
 
+    @support.cpython_only
     def test_xdev(self):
         # sys.flags.dev_mode
         code = "import sys; print(sys.flags.dev_mode)"
@@ -855,6 +863,7 @@ class CmdLineTest(unittest.TestCase):
         self.assertEqual(proc.returncode, 0, proc)
         self.assertEqual(proc.stdout.strip(), b'0')
 
+    @support.cpython_only
     def test_parsing_error(self):
         args = [sys.executable, '-I', '--unknown-option']
         proc = subprocess.run(args,