From cc9bbc0222f256024520d6653512b8c8d0ee4b39 Mon Sep 17 00:00:00 2001
From: Liam Young <liam.young@canonical.com>
Date: Fri, 4 Feb 2022 11:27:40 +0000
Subject: [PATCH] Apply default config to unit tests

---
 ops-sunbeam/advanced_sunbeam_openstack/test_utils.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ops-sunbeam/advanced_sunbeam_openstack/test_utils.py b/ops-sunbeam/advanced_sunbeam_openstack/test_utils.py
index 3444260e..c0e5ec23 100644
--- a/ops-sunbeam/advanced_sunbeam_openstack/test_utils.py
+++ b/ops-sunbeam/advanced_sunbeam_openstack/test_utils.py
@@ -16,6 +16,7 @@
 
 """Module containing shared code to be used in a charms units tests."""
 
+import yaml
 import inspect
 import io
 import json
@@ -297,4 +298,9 @@ def get_harness(
     )
     if initial_charm_config:
         harness.update_config(initial_charm_config)
+    else:
+        defaults = {
+            k: v['default']
+            for k, v in yaml.load(charm_config)['options'].items()}
+        harness.update_config(defaults)
     return harness