add validate_schema to schemaSerializer

src/open_producten/producttypen/serializers/jsonschema.py

@@ -1,11 +1,21 @@
 from django_json_schema.models import JsonSchema
+from jsonschema import Draft202012Validator
+from jsonschema.exceptions import SchemaError
 from rest_framework import serializers
 
 
 class JsonSchemaSerializer(serializers.ModelSerializer):
 
     schema = serializers.DictField()
 
+    def validate_schema(self, schema):
+        try:
+            Draft202012Validator.check_schema(schema)
+        except SchemaError as e:
+            raise serializers.ValidationError(e.message)
+
+        return schema
+
     class Meta:
         model = JsonSchema
         fields = "__all__"

src/open_producten/producttypen/tests/api/test_jsonschema.py

@@ -50,6 +50,23 @@ def test_create_schema(self):
         response.data.pop("id")
         self.assertEqual(response.data, self.data)
 
+    def test_create_invalid_schema(self):
+        data = self.data | {"schema": {"type": []}}
+        response = self.client.post(self.path, data)
+
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertEqual(
+            response.data,
+            {
+                "schema": [
+                    ErrorDetail(
+                        string="[] is not valid under any of the given schemas",
+                        code="invalid",
+                    )
+                ]
+            },
+        )
+
     def test_update_schema(self):
         data = self.data | {"name": "update"}
         response = self.client.put(self.detail_path, data)