criccomini commented on code in PR #743:
URL:
https://github.com/apache/arrow-rs-object-store/pull/743#discussion_r3401123634
##########
src/aws/client.rs:
##########
@@ -1380,4 +1386,114 @@ mod tests {
.unwrap();
mock.shutdown().await;
}
+
+ /// A marker inserted into response extensions by [`MarkerMiddleware`]
+ #[derive(Clone, Debug, PartialEq)]
+ struct Marker(usize);
+
+ /// [`HttpService`] middleware that tags every response with a [`Marker`]
+ ///
+ /// [`HttpService`]: crate::client::HttpService
+ #[derive(Debug)]
+ struct MarkerMiddleware(reqwest::Client);
+
+ #[async_trait]
+ impl crate::client::HttpService for MarkerMiddleware {
+ async fn call(
+ &self,
+ req: crate::client::HttpRequest,
+ ) -> Result<HttpResponse, HttpError> {
+ let mut response = crate::client::HttpService::call(&self.0,
req).await?;
+ response.extensions_mut().insert(Marker(42));
+ Ok(response)
+ }
+ }
+
+ #[tokio::test]
+ async fn test_response_extensions_propagated() {
Review Comment:
[804ecf9](https://github.com/apache/arrow-rs-object-store/pull/743/commits/804ecf9acdef7d00a61d9dd575c67384b55ba4eb)
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