Setup validator

AKModel/tests/test_json_export.py

 import json
 import math
-
 from collections import defaultdict
 from collections.abc import Iterable
 from datetime import datetime, timedelta
 from itertools import chain
+from pathlib import Path
 
 from bs4 import BeautifulSoup
 from django.contrib.auth import get_user_model
 from django.test import TestCase
 from django.urls import reverse
+from jsonschema import Draft202012Validator
+from jsonschema.exceptions import best_match
+from referencing import Registry, Resource
 
 from AKModel.availability.models import Availability
-from AKModel.models import (
-    Event,
-    AKOwner,
-    AKCategory,
-    AK,
-    Room,
-    AKSlot,
-    DefaultSlot,
-)
+from AKModel.models import AK, AKCategory, AKOwner, AKSlot, DefaultSlot, Event, Room
+from AKPlanning import settings
 
 
 class JSONExportTest(TestCase):
@@ -44,6 +40,19 @@ class JSONExportTest(TestCase):
             is_active=True,
         )
 
+        schema_base_path = Path(settings.BASE_DIR) / "schemas"
+        resources = []
+        for schema_path in schema_base_path.glob("**/*.schema.json"):
+            with schema_path.open("r") as ff:
+                res = Resource.from_contents(json.load(ff))
+            resources.append((res.id(), res))
+        registry = Registry().with_resources(resources)
+        with (schema_base_path / "solver-input.json").open("r") as ff:
+            schema = json.load(ff)
+        cls.json_export_validator = Draft202012Validator(
+            schema=schema, registry=registry
+        )
+
     def setUp(self):
         self.client.force_login(self.admin_user)
         self.export_dict = {}