enforce a sane default OPT_NETWORK_TIMEOUT for LDAP connections

see: #5208

awx/sso/tests/unit/test_ldap.py

@@ -0,0 +1,21 @@
+import ldap
+
+from awx.sso.backends import LDAPSettings
+
+
+def test_ldap_default_settings(mocker):
+    from_db = mocker.Mock(**{'order_by.return_value': []})
+    with mocker.patch('awx.conf.models.Setting.objects.filter', return_value=from_db):
+        settings = LDAPSettings()
+        assert settings.ORGANIZATION_MAP == {}
+        assert settings.TEAM_MAP == {}
+
+
+def test_ldap_default_network_timeout(mocker):
+    from_db = mocker.Mock(**{'order_by.return_value': []})
+    with mocker.patch('awx.conf.models.Setting.objects.filter', return_value=from_db):
+        settings = LDAPSettings()
+        assert settings.CONNECTION_OPTIONS == {
+            ldap.OPT_REFERRALS: 0,
+            ldap.OPT_NETWORK_TIMEOUT: 30
+        }