[5.2.x] Fixed #36376 -- Fixed --no-color for command help in Python 3.14+.

https://github.com/python/cpython/pull/136809 made `color` default to
True in ArgumentParser.

Backport of d0d85cd165e54582cce98cf685252e771460a9d4 from main.

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/user_commands/tests.py b/tests/user_commands/tests.py
index acc338685e..321bde4ce9 100644
--- a/tests/user_commands/tests.py
+++ b/tests/user_commands/tests.py
@@ -1,5 +1,6 @@
 import os
 import sys
+import unittest
 from argparse import ArgumentDefaultsHelpFormatter
 from io import BytesIO, StringIO, TextIOWrapper
 from pathlib import Path
@@ -24,6 +25,7 @@ from django.db import connection
 from django.test import SimpleTestCase, override_settings
 from django.test.utils import captured_stderr, extend_sys_path
 from django.utils import translation
+from django.utils.version import PY314
 
 from .management.commands import dance
 from .utils import AssertFormatterFailureCaughtContext
@@ -454,6 +456,34 @@ class CommandTests(SimpleTestCase):
         self.assertIn("Working...", out.getvalue())
         self.assertIs(mocked_flush.called, True)
 
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_color_enabled_by_default(self):
+        with mock.patch.dict(os.environ, {}, clear=True):
+            command = BaseCommand()
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertTrue(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_color_disabled_with_django_colors_nocolor(self):
+        with mock.patch.dict(os.environ, {"DJANGO_COLORS": "nocolor"}):
+            command = BaseCommand()
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertFalse(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_force_color_does_not_affect_argparse_color(self):
+        with mock.patch.dict(os.environ, {}, clear=True):
+            command = BaseCommand(force_color=True)
+            parser = command.create_parser("prog_name", "subcommand")
+            self.assertTrue(parser.color)
+
+    @unittest.skipUnless(PY314, "Only relevant for Python 3.14+")
+    def test_no_color_flag_disables_color(self):
+        with mock.patch.object(sys, "argv", ["manage.py", "mycommand", "--no-color"]):
+            command = BaseCommand()
+            parser = command.create_parser("manage.py", "mycommand")
+            self.assertFalse(parser.color)
+
 
 class CommandRunTests(AdminScriptTestCase):
     """