added validation to check if query_by is string

Author: OrionReed

typesense/documents.py

@@ -4,6 +4,7 @@
 
 from .document import Document
 from .logger import logger
+from .validation import validate_query_by
 from collections.abc import Iterable
 
 class Documents(object):
@@ -94,7 +95,8 @@ def export(self, params=None):
         return api_response
 
     def search(self, search_parameters):
+        validate_query_by(search_parameters)
         return self.api_call.get(self._endpoint_path('search'), search_parameters)
 
     def delete(self, params=None):
-      return self.api_call.delete(self._endpoint_path(), params)
+        return self.api_call.delete(self._endpoint_path(), params)

typesense/exceptions.py

@@ -45,3 +45,7 @@ class ServiceUnavailable(TypesenseClientError):
 
 class HTTPStatus0Error(TypesenseClientError):
     pass
+
+
+class InvalidParameter(TypesenseClientError):
+    pass

typesense/validation.py

@@ -0,0 +1,6 @@
+from typesense.exceptions import InvalidParameter
+
+
+def validate_query_by(params):
+    if "query_by" in params and type(params["query_by"]) is not str:
+        raise InvalidParameter(f"'query_by' field expected a string but was given {type(params['query_by']).__name__}")