[PATCH v3 06/16] iotests/297: Add get_files() function

[John Snow <jsnow@redhat.com>]

Split out file discovery into its own method to begin separating out the
"environment setup" and "test execution" phases.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 tests/qemu-iotests/297 | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tests/qemu-iotests/297 b/tests/qemu-iotests/297
index 3e86f788fc..b3a56a3a29 100755
--- a/tests/qemu-iotests/297
+++ b/tests/qemu-iotests/297
@@ -21,6 +21,7 @@ import re
 import shutil
 import subprocess
 import sys
+from typing import List
 
 import iotests
 
@@ -56,10 +57,15 @@ def is_python_file(filename: str, directory: str = '.') -> bool:
             return False
 
 
+def get_test_files(directory: str = '.') -> List[str]:
+    named_test_dir = os.path.join(directory, 'tests')
+    named_tests = [f"tests/{entry}" for entry in os.listdir(named_test_dir)]
+    check_tests = set(os.listdir(directory) + named_tests) - set(SKIP_FILES)
+    return list(filter(lambda f: is_python_file(f, directory), check_tests))
+
+
 def run_linters():
-    named_tests = [f'tests/{entry}' for entry in os.listdir('tests')]
-    check_tests = set(os.listdir('.') + named_tests) - set(SKIP_FILES)
-    files = [filename for filename in check_tests if is_python_file(filename)]
+    files = get_test_files()
 
     iotests.logger.debug('Files to be checked:')
     iotests.logger.debug(', '.join(sorted(files)))
-- 
2.31.1