linux-kernel - [PATCH v2 2/2] kunit: tool: Mark 'kunittest

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Date:   Thu, 22 Oct 2020 09:40:11 +0200
From:   SeongJae Park <sjpark@...zon.com>
To:     <brendanhiggins@...gle.com>
CC:     SeongJae Park <sjpark@...zon.de>, <skhan@...uxfoundation.org>,
        <linux-kselftest@...r.kernel.org>, <kunit-dev@...glegroups.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/2] kunit: tool: Mark 'kunittest_config' as constant again

From: SeongJae Park <sjpark@...zon.de>

'kunit_kernel.kunittest_config' was constant at first, and therefore it
used UPPER_SNAKE_CASE naming convention that usually means it is
constant in Python world.  But, commit e3212513a8f0 ("kunit: Create
default config in '--build_dir'") made it modifiable to fix a use case
of the tool and thus the naming also changed to lower_snake_case.
However, this resulted in a confusion.  As a result, some successing
changes made the tool unittest fail, and a fix[1] of it again incurred
the '--build_dir' use case failure.

As the previous commit fixed the '--build_dir' use case without
modifying the variable again, this commit marks the variable as constant
again with UPPER_SNAKE_CASE, to reduce future confusions.

[1] Commit d43c7fb05765 ("kunit: tool: fix improper treatment of file location")

Signed-off-by: SeongJae Park <sjpark@...zon.de>
Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
---
 tools/testing/kunit/kunit.py        | 6 +++---
 tools/testing/kunit/kunit_kernel.py | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 8bee2a5fee27..26046875adb2 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -45,7 +45,7 @@ class KunitStatus(Enum):
 	TEST_FAILURE = auto()
 
 def create_default_kunitconfig(build_dir=''):
-	kunitconfig = os.path.join(build_dir, kunit_kernel.kunitconfig_path)
+	kunitconfig = os.path.join(build_dir, kunit_kernel.KUNITCONFIG_PATH)
 	if not os.path.exists(kunitconfig):
 		shutil.copyfile('arch/um/configs/kunit_defconfig', kunitconfig)
 
@@ -259,7 +259,7 @@ def main(argv, linux=None):
 		os.chdir(get_kernel_root_path())
 
 	kunitconfig_path = os.path.join(cli_args.build_dir,
-			kunit_kernel.kunitconfig_path)
+			kunit_kernel.KUNITCONFIG_PATH)
 	if cli_args.subcommand == 'run':
 		if not os.path.exists(cli_args.build_dir):
 			os.mkdir(cli_args.build_dir)
@@ -285,7 +285,7 @@ def main(argv, linux=None):
 				not os.path.exists(cli_args.build_dir)):
 			os.mkdir(cli_args.build_dir)
 
-		if not os.path.exists(kunit_kernel.kunitconfig_path):
+		if not os.path.exists(kunitconfig_path):
 			create_default_kunitconfig(cli_args.build_dir)
 
 		if not linux:
diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index 7dd4268665a8..f4bc9568bbce 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -18,7 +18,7 @@ import kunit_config
 import kunit_parser
 
 KCONFIG_PATH = '.config'
-kunitconfig_path = '.kunitconfig'
+KUNITCONFIG_PATH = '.kunitconfig'
 BROKEN_ALLCONFIG_PATH = 'tools/testing/kunit/configs/broken_on_uml.config'
 
 class ConfigError(Exception):
@@ -111,7 +111,7 @@ class LinuxSourceTree(object):
 
 	def __init__(self, build_dir):
 		self._kconfig = kunit_config.Kconfig()
-		self._kconfig.read_from_file(os.path.join(build_dir, kunitconfig_path))
+		self._kconfig.read_from_file(os.path.join(build_dir, KUNITCONFIG_PATH))
 		self._ops = LinuxSourceTreeOperations()
 		signal.signal(signal.SIGINT, self.signal_handler)
 
-- 
2.17.1