#31 API GET Tests

* adds tests for api GET method
* fixes bug where non existing geometry could not be serialized properly

api/utils/serializer/v1/serializer.py

@@ -8,6 +8,7 @@ Created on: 24.01.22
 
 import json
 
+from django.contrib.gis.geos import MultiPolygon
 from django.db.models import QuerySet
 
 from api.utils.serializer.serializer import AbstractModelAPISerializer
@@ -30,7 +31,10 @@ class AbstractModelAPISerializerV1(AbstractModelAPISerializer):
         Returns:
 
         """
-        geom = entry.geometry.geom.geojson
+        if entry.geometry.geom is not None:
+            geom = entry.geometry.geom.geojson
+        else:
+            geom = MultiPolygon().geojson
         geo_json = json.loads(geom)
         self.properties_data = {
             "id": entry.id,