Add an HTTP library that wraps dart:io.

pkg/http/test/client_test.dart

+// Copyright (c) 2012, 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 client_test;
+
+import 'dart:io';
+
+import '../../unittest/lib/unittest.dart';
+import '../lib/http.dart' as http;
+import '../lib/src/utils.dart';
+import 'utils.dart';
+
+void main() {
+  setUp(startServer);
+  tearDown(stopServer);
+
+  test('#send a StreamedRequest', () {
+    var client = new http.Client();
+    var request = new http.StreamedRequest("POST", serverUrl);
+    request.headers[HttpHeaders.CONTENT_TYPE] =
+      'application/json; charset=utf-8';
+
+    var future = client.send(request).chain((response) {
+      expect(response.statusCode, equals(200));
+      return consumeInputStream(response.stream);
+    }).transform((bytes) => new String.fromCharCodes(bytes));
+    future.onComplete((_) => client.close());
+
+    expect(future, completion(parse(equals({
+      'method': 'POST',
+      'path': '/',
+      'headers': {
+        'content-type': ['application/json; charset=utf-8'],
+        'transfer-encoding': ['chunked']
+      },
+      'body': '{"hello": "world"}'
+    }))));
+
+    request.stream.writeString('{"hello": "world"}');
+    request.stream.close();
+  });
+}