From 2e1c79ed2afc8eaa34d10fe94e57c8b09d6d5c6a Mon Sep 17 00:00:00 2001
From: Adrien Ferrand <ferrand.ad@gmail.com>
Date: Wed, 15 May 2019 23:24:38 +0200
Subject: [PATCH] Add test for os module

---
 certbot/tests/compat/os_test.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 certbot/tests/compat/os_test.py

diff --git a/certbot/tests/compat/os_test.py b/certbot/tests/compat/os_test.py
new file mode 100644
index 000000000..0a1080cbc
--- /dev/null
+++ b/certbot/tests/compat/os_test.py
@@ -0,0 +1,10 @@
+import unittest
+
+from certbot.compat import os
+
+
+class OsTest(unittest.TestCase):
+    """Unit tests for os module."""
+    def test_forbidden_methods(self):
+        for method in ['chmod']:
+            self.assertRaises(RuntimeError, getattr(os, method))