pkg/shelf: change helper method on Request and Response

pkg/shelf/test/message_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library shelf.message_test;
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:shelf/src/message.dart';
 import 'package:unittest/unittest.dart';
 
+import 'test_util.dart';
+
 class _TestMessage extends Message {
   _TestMessage(Map<String, String> headers, Map<String, Object> context,
         Stream<List<int>> body)
       : super(body, headers: headers, context: context);
+
+  Message change({Map<String, String> headers, Map<String, Object> context}) {
+    throw new UnimplementedError();
+  }
 }
 
 Message _createMessage({Map<String, String> headers,
     Map<String, Object> context, Stream<List<int>> body}) {
   if (body == null) body = new Stream.fromIterable([]);
   return new _TestMessage(headers, context, body);
 }
 
 void main() {
   group('headers', () {
@@ skipping 42 matching lines @@
     test("supports a null body", () {
       var request = _createMessage();
       expect(request.readAsString(), completion(equals("")));
     });
 
     test("supports a Stream<List<int>> body", () {
       var controller = new StreamController();
       var request = _createMessage(body: controller.stream);
       expect(request.readAsString(), completion(equals("hello, world")));
 
-      controller.add([104, 101, 108, 108, 111, 44]);
+      controller.add(HELLO_BYTES);
       return new Future(() {
         controller
-          ..add([32, 119, 111, 114, 108, 100])
+          ..add(WORLD_BYTES)
           ..close();
       });
     });
 
     test("defaults to UTF-8", () {
       var request = _createMessage(body: new Stream.fromIterable([[195, 168]]));
       expect(request.readAsString(), completion(equals("è")));
     });
 
     test("the content-type header overrides the default", () {
@@ skipping 14 matching lines @@
   group("read", () {
     test("supports a null body", () {
       var request = _createMessage();
       expect(request.read().toList(), completion(isEmpty));
     });
 
     test("supports a Stream<List<int>> body", () {
       var controller = new StreamController();
       var request = _createMessage(body: controller.stream);
       expect(request.read().toList(), completion(equals([
-        [104, 101, 108, 108, 111, 44],
-        [32, 119, 111, 114, 108, 100]
+        HELLO_BYTES,
+        WORLD_BYTES
       ])));
 
-      controller.add([104, 101, 108, 108, 111, 44]);
+      controller.add(HELLO_BYTES);
       return new Future(() {
         controller
-          ..add([32, 119, 111, 114, 108, 100])
+          ..add(WORLD_BYTES)
           ..close();
       });
     });
   });
 
   group("contentLength", () {
     test("is null without a content-length header", () {
       var request = _createMessage();
       expect(request.contentLength, isNull);
     });
@@ skipping 41 matching lines @@
       }).encoding, isNull);
     });
 
     test("comes from the content-type charset parameter", () {
       expect(_createMessage(headers: {
         'content-type': 'text/plain; charset=iso-8859-1'
       }).encoding, equals(LATIN1));
     });
   });
 }