policies: change .form() and .serializer() to properties, add tests

passbook/lib/tests.py

@@ -0,0 +1,30 @@
+"""base model tests"""
+from typing import Callable, Type
+
+from django.test import TestCase
+from rest_framework.serializers import BaseSerializer
+
+from passbook.flows.models import Stage
+from passbook.lib.models import SerializerModel
+from passbook.lib.utils.reflection import all_subclasses
+
+
+class TestModels(TestCase):
+    """Generic model properties tests"""
+
+
+def model_tester_factory(test_model: Type[Stage]) -> Callable:
+    """Test a form"""
+
+    def tester(self: TestModels):
+        model_inst = test_model()
+        try:
+            self.assertTrue(issubclass(model_inst.serializer, BaseSerializer))
+        except NotImplementedError:
+            pass
+
+    return tester
+
+
+for model in all_subclasses(SerializerModel):
+    setattr(TestModels, f"test_model_{model.__name__}", model_tester_factory(model))