test: Add unit tests for fetch method (box/box-codegen#461)

.codegen.json

@@ -1 +1 @@
-{ "engineHash": "88dd8b0", "specHash": "d50ab5f", "version": "0.6.2" }
+{ "engineHash": "3391dd6", "specHash": "d50ab5f", "version": "0.6.2" }

box_sdk_gen/box/errors.py

@@ -1,4 +1,5 @@
 import pprint
+from datetime import datetime
 from typing import Any, Optional
 
 from typing import Dict
@@ -8,14 +9,14 @@ class BoxSDKError(Exception):
     def __init__(
         self,
         message: str,
-        timestamp: str = None,
+        timestamp: Optional[datetime] = None,
         error: Optional[Exception] = None,
-        name: Optional[str] = None,
+        name: Optional[str] = 'BoxSDKError',
         **kwargs,
     ):
         super().__init__(message)
         self.message = message
-        self.timestamp = timestamp
+        self.timestamp = timestamp if timestamp is not None else datetime.now()
         self.error = error
         self.name = name
 
@@ -110,9 +111,9 @@ def __init__(
         request_info: RequestInfo,
         response_info: ResponseInfo,
         message: str,
-        timestamp: str,
+        timestamp: Optional[datetime] = None,
         error: Optional[str] = None,
-        name: Optional[str] = None,
+        name: Optional[str] = 'BoxAPIError',
         **kwargs,
     ):
         super().__init__(

box_sdk_gen/networking/fetch.py

@@ -138,7 +138,7 @@ def fetch(url: str, options: FetchOptions) -> FetchResponse:
                     )
 
             if (
-                not response.reauthentication_needed
+                not (response.reauthentication_needed and options.auth)
                 and network_response.status_code != 429
                 and network_response.status_code < 500
             ):
@@ -261,9 +261,7 @@ def __make_request(request: APIRequest, session: Session) -> APIResponse:
 def __raise_on_unsuccessful_request(request: APIRequest, response: APIResponse) -> None:
     if response.raised_exception:
         raise BoxSDKError(
-            message=str(response.raised_exception),
-            timestamp=str(datetime.now()),
-            error=response.raised_exception,
+            message=str(response.raised_exception), error=response.raised_exception
         )
 
     network_response = response.network_response
@@ -275,7 +273,6 @@ def __raise_on_unsuccessful_request(request: APIRequest, response: APIResponse)
 
     raise BoxAPIError(
         message=f'{network_response.status_code} {response_json.get("message", "")}; Request ID: {response_json.get("request_id", "")}',
-        timestamp=str(datetime.now()),
         request_info=RequestInfo(
             method=request.method,
             url=request.url,