Unit test intervention/konova

* adds unit test for intervention app
* adds unit test for konova app

intervention/tests/unit/test_models.py

@@ -0,0 +1,50 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 07.09.23
+
+"""
+from django.core.exceptions import ObjectDoesNotExist
+from django.utils.timezone import now
+
+from intervention.models import RevocationDocument, Revocation
+from konova.tests.test_views import BaseTestCase
+
+
+class RevocationDocumentTestCase(BaseTestCase):
+    def setUp(self) -> None:
+        super().setUp()
+        self.revocation = Revocation.objects.get_or_create(
+            date=now().date(),
+            comment="Test",
+            legal=self.intervention.legal
+        )[0]
+        self.doc = self.create_dummy_document(
+            RevocationDocument,
+            instance=self.revocation
+        )
+
+    def test_intervention_property(self):
+        self.assertEqual(
+            self.doc.intervention,
+            self.doc.instance.legal.intervention
+        )
+        self.assertEqual(
+            self.doc.intervention,
+            self.intervention
+        )
+
+    def test_delete(self):
+        revoc_docs, other_intervention_docs = self.intervention.get_documents()
+        self.assertIn(self.doc, revoc_docs)
+
+        try:
+            self.doc.delete()
+            self.doc.refresh_from_db()
+            self.fail("Should not be fetchable anymore!")
+        except ObjectDoesNotExist:
+            pass
+
+        revoc_docs, other_intervention_docs = self.intervention.get_documents()
+        self.assertEqual(revoc_docs.count(), 0)