#49 Calculation implementation

* implements update routine for Geometry model
* reorganizes fields of Parcel and District
* adds tests
* simplifies usage of ParcelWFSFetcher

konova/tests/test_geometries.py

@@ -8,7 +8,6 @@ Created on: 15.12.21
 from django.contrib.gis.db.models.functions import Translate
 
 from konova.models import Geometry, GeometryConflict
-from konova.settings import PARCEL_WFS_USER, PARCEL_WFS_PW
 from konova.tests.test_views import BaseTestCase
 from konova.utils.wfs.spatial import ParcelWFSFetcher
 
@@ -25,6 +24,22 @@ class GeometryTestCase(BaseTestCase):
             geom=geom,
         )
 
+    def test_geometry_parcel_caluclation(self):
+        """ Tests whether newly created geometries already have parcels calculated during save
+
+        Returns:
+
+        """
+        has_parcels = self.geom_1.parcels.all().exists()
+        self.assertFalse(has_parcels, msg=f"{self.geom_1.id} has parcels but should not!")
+        self.geom_1.update_parcels()
+        self.geom_1.refresh_from_db()
+        parcels = self.geom_1.parcels.all()
+        has_parcels = parcels.exists()
+        parcel_districts = parcels.values_list("district", flat=True)
+        self.assertTrue(has_parcels, msg=f"{self.geom_1.id} has no parcels but should!")
+        self.assertEqual(parcels.count(), len(parcel_districts), msg=f"Not every parcel has exactly one district!")
+
     def test_geometry_conflict(self):
         """ Tests whether a geometry conflict will be present in case of identical/overlaying geometries and
         if the conflict will be resolved if one geometry is edited.
@@ -50,17 +65,13 @@ class GeometryTestCase(BaseTestCase):
     def test_wfs_fetch(self):
         """ Tests the fetching functionality of ParcelWFSFetcher
 
-        +++ Test relies on the availability of the RLP Gemarkung WFS +++
+        +++ Test relies on the availability of the RLP Flurstück WFS +++
 
         Returns:
 
         """
         fetcher = ParcelWFSFetcher(
-            base_url="https://www.geoportal.rlp.de/registry/wfs/519",
-            version="2.0.0",
-            geometry=self.geom_1,
-            auth_user=PARCEL_WFS_USER,
-            auth_pw=PARCEL_WFS_PW
+            geometry_id=self.geom_1.id,
         )
         features = fetcher.get_features(
             "ave:Flurstueck",