Restore Windows guard; assert directory exists

Author: c0llab0rat0r

test/functional/test_files.py

@@ -294,14 +294,12 @@ def test_add_filepattern_from_dirname_recursive_nofwalk(client, cleanup_pins, mo
 	assert conftest.sort_by_key(res) == conftest.sort_by_key(FAKE_DIR_FNPATTERN1_RECURSIVE_HASH)
 
 
-#@pytest.mark.skipif(not O_DIRECTORY,
-#                    reason="Opening directory FDs does not work on Windows")
+@pytest.mark.skipif(sys.platform.startswith("win"),
+                    reason="Opening directory FDs does not work on Windows")
 def test_add_filepattern_from_dirfd_recursive_nofwalk(client, cleanup_pins, monkeypatch):
 	monkeypatch.setattr(ipfshttpclient.filescanner, "HAVE_FWALK", False)
 
-	if sys.platform.startswith("win"):
-		os.mkdir(FAKE_DIR_PATH)
-		assert os.path.isdir(FAKE_DIR_PATH)
+	assert os.path.isdir(FAKE_DIR_PATH)
 
 	# On Windows, this line will fail with PermissionError: [Errno 13] Permission denied
 	fd: int = os.open(str(FAKE_DIR_PATH), os.O_RDONLY | O_DIRECTORY)