[PATCH v2 3/3] kunit: Introduce get_file_path() helper

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Helper allows to derive file names depending on --build_dir argument.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
Tested-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
---
v2: added tags (Brendan)

 tools/testing/kunit/kunit_kernel.py | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index b4768fa03ce0..7e3f7f9aac96 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -23,6 +23,11 @@ DEFAULT_KUNITCONFIG_PATH = 'arch/um/configs/kunit_defconfig'
 BROKEN_ALLCONFIG_PATH = 'tools/testing/kunit/configs/broken_on_uml.config'
 OUTFILE_PATH = 'test.log'
 
+def get_file_path(build_dir, default):
+	if build_dir:
+		default = os.path.join(build_dir, default)
+	return default
+
 class ConfigError(Exception):
 	"""Represents an error trying to configure the Linux kernel."""
 
@@ -92,9 +97,7 @@ class LinuxSourceTreeOperations(object):
 
 	def linux_bin(self, params, timeout, build_dir):
 		"""Runs the Linux UML binary. Must be named 'linux'."""
-		linux_bin = './linux'
-		if build_dir:
-			linux_bin = os.path.join(build_dir, 'linux')
+		linux_bin = get_file_path(build_dir, 'linux')
 		outfile = get_outfile_path(build_dir)
 		with open(outfile, 'w') as output:
 			process = subprocess.Popen([linux_bin] + params,
@@ -103,22 +106,13 @@ class LinuxSourceTreeOperations(object):
 			process.wait(timeout)
 
 def get_kconfig_path(build_dir):
-	kconfig_path = KCONFIG_PATH
-	if build_dir:
-		kconfig_path = os.path.join(build_dir, KCONFIG_PATH)
-	return kconfig_path
+	return get_file_path(build_dir, KCONFIG_PATH)
 
 def get_kunitconfig_path(build_dir):
-	kunitconfig_path = KUNITCONFIG_PATH
-	if build_dir:
-		kunitconfig_path = os.path.join(build_dir, KUNITCONFIG_PATH)
-	return kunitconfig_path
+	return get_file_path(build_dir, KUNITCONFIG_PATH)
 
 def get_outfile_path(build_dir):
-	outfile_path = OUTFILE_PATH
-	if build_dir:
-		outfile_path = os.path.join(build_dir, OUTFILE_PATH)
-	return outfile_path
+	return get_file_path(build_dir, OUTFILE_PATH)
 
 class LinuxSourceTree(object):
 	"""Represents a Linux kernel source tree with KUnit tests."""
-- 
2.28.0




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