[http] ✨ Add redirects in IOStreamedResponse

pkgs/http/CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 1.1.3-wip
 
 * Add `MockClient.pngResponse`, which makes it easier to fake image responses.
+* Add `redirects` in `IOStreamedResponse`.
 
 ## 1.1.2
 

pkgs/http/lib/src/io_client.dart

@@ -127,6 +127,7 @@ class IOClient extends BaseClient {
           request: request,
           headers: headers,
           isRedirect: response.isRedirect,
+          redirects: response.redirects,
           persistentConnection: response.persistentConnection,
           reasonPhrase: response.reasonPhrase,
           inner: response);

pkgs/http/lib/src/io_streamed_response.dart

@@ -23,9 +23,16 @@ class IOStreamedResponse extends StreamedResponse {
       super.isRedirect,
       super.persistentConnection,
       super.reasonPhrase,
+      this.redirects = const [],
       HttpClientResponse? inner})
       : _inner = inner;
 
+  /// Returns the series of redirects this connection has been through.
+  /// The list will be empty if no redirects were followed.
+  /// [redirects] will be updated both in the case of
+  /// an automatic and a manual redirect.
+  final List<RedirectInfo> redirects;
+
   /// Detaches the underlying socket from the HTTP server.
   ///
   /// Will throw if `inner` was not set or `null` when `this` was created.

pkgs/http/test/io/request_test.dart

@@ -5,7 +5,10 @@
 @TestOn('vm')
 library;
 
+import 'dart:io';
+
 import 'package:http/http.dart' as http;
+import 'package:http/io_client.dart' as http_io;
 import 'package:test/test.dart';
 
 import '../utils.dart';
@@ -65,4 +68,14 @@ void main() {
         throwsA(isA<http.ClientException>()
             .having((e) => e.message, 'message', 'Redirect limit exceeded')));
   });
+
+  test('contains redirects', () async {
+    var ioClient = HttpClient();
+    var client = http_io.IOClient(ioClient);
+    var request = http.Request('GET', serverUrl.resolve('/redirect'));
+    var response = await client.send(request);
+    expect(response.statusCode, equals(200));
+    expect(response.redirects.length, equals(1));
+    expect(response.redirects.first.location, serverUrl.resolve('/'));
+  });
 }