Change euid if root

tests/test.py

@@ -11,6 +11,8 @@ import shutil
 from colorama import Fore
 import argparse
 import sys
+import pwd
+
 
 # TODO: How to include the folder creation in the test function instead of repeating it for all test functions
 # TODO: pass over EVERY ASSERTION ERROR (i.e. continu test). But seems unlikely to be done easily
@@ -258,6 +260,17 @@ if __name__=="__main__":
     parser.add_argument('-p', '--no-zero-mode', dest='no_perms', action='store_false', help='tests will NOT include files without any permission (only applies to concerned tests)')
     parser.add_argument('-d', '--delete-tests', dest='delete_tests', action='store_true', help='delete the test folders when tests are over')
     args = parser.parse_args()
+
+
+    # If effective user id is root change to nobody user (should be available on most machines...)
+    print(os.geteuid())
+    if os.geteuid() == 0:
+        try:
+            nobody = pwd.getpwnam('nobody')
+        except:
+            print("!!! Effective user id is root and user nobody could be be found: some test might be corrupted (e.g. umask)")
+        os.seteuid(nobody.pw_uid)
+
     t = Test(args.prog_path, delete_root=args.delete_tests)
     t.test_listing(args.no_perms)
     t.test_file_copy()