Fixes: #133 - Add tests for remaining config parameters (#180)

* Add config tests

* Add newline

netbox_branching/tests/test_config.py

@@ -0,0 +1,27 @@
+from django.test import TransactionTestCase, override_settings
+
+from netbox.registry import registry
+from netbox_branching.models import Branch
+from netbox_branching.utilities import register_models
+
+
+class ConfigTestCase(TransactionTestCase):
+    serialized_rollback = True
+
+    @override_settings(PLUGINS_CONFIG={
+        'netbox_branching': {
+            'exempt_models': ['ipam.prefix'],
+        }
+    })
+    def test_exempt_models(self):
+        register_models()
+        self.assertNotIn('prefix', registry['model_features']['branching']['ipam'])
+
+    @override_settings(PLUGINS_CONFIG={
+        'netbox_branching': {
+            'schema_prefix': 'dummy_',
+        }
+    })
+    def test_schema_prefix(self):
+        branch = Branch(name='Branch 5')
+        self.assertEqual(branch.schema_name, f'dummy_{branch.schema_id}')