More fixes

modoboa/admin/api/v1/tests.py

@@ -87,7 +87,7 @@ class DomainAPITestCase(ModoAPITestCase):
         self.assertEqual(dom.name, "pouét.com")
         self.assertEqual(dom.quota, 1000)
         self.assertEqual(dom.default_mailbox_quota, 100)
-        self.assertEqual(dom.enabled, False)
+        self.assertTrue(dom.enabled)
         self.assertFalse(dom.admins)
 
     @mock.patch.object(dns.resolver.Resolver, "resolve")

modoboa/admin/api/v2/serializers.py

@@ -1,6 +1,7 @@
 """Admin API v2 serializers."""
 
 import ipaddress
+import os
 from typing import List
 
 from django.conf import settings
@@ -262,6 +263,8 @@ class AdminGlobalParametersSerializer(serializers.Serializer):
                 raise serializers.ValidationError(
                     _("openssl not found, please make sure it is installed.")
                 )
+            if not os.path.exists(value):
+                raise serializers.ValidationError(_("Directory not found."))
         return value
 
     def validate_valid_mxs(self, value):