TMSS-272: added validate_json_against_its_schema

SAS/TMSS/src/tmss/tmssapp/validation.py

@@ -4,13 +4,18 @@ from jsonschema import Draft6Validator, RefResolver
 import os
 from lofar.sas.tmss.tmss.exceptions import *
 from lofar.common.json_utils import add_defaults_to_json_object_for_schema as json_utils_add_defaults_to_json
-
+import requests
 
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 TMSS_SCHEMA_PATH = BASE_DIR + "/tmssapp/schemas/"
 TMSS_COMMON_BASE_SCHEMA = "base.json"
 # TODO: validation is not the correct name any more  rename to schema.py or schema_utils.py ?
 
+def validate_json_against_its_schema(json_object: dict):
+    '''validate the give json object against its own schema (the URI/URL that its propery $schema points to)'''
+    schema = json_object['$schema']
+    return validate_json_against_schema(json_object, requests.get(schema).text)
+
 def validate_json_against_schema(json_string: str, schema: str):
     '''validate the given json_string against the given schema.
        If no exception if thrown, then the given json_string validates against the given schema.