Add new VirtualHost class to http_server package, for handling multiple hosts on multiple sources (…

pkg/http_server/test/utils.dart

+// Copyright (c) 2013, 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 utils;
+
+import 'dart:async';
+import 'dart:io';
+
+
+Future<int> getStatusCode(int port,
+                          String path,
+                          {String host,
+                           bool secure: false,
+                           DateTime ifModifiedSince}) {
+  var uri = (secure ?
+      new Uri.https('localhost:$port', path) :
+      new Uri.http('localhost:$port', path));
+  return new HttpClient().getUrl(uri)
+      .then((request) {
+        if (host != null) request.headers.host = host;
+        if (ifModifiedSince != null) {
+          request.headers.ifModifiedSince = ifModifiedSince;
+        }
+        return request.close();
+      })
+      .then((response) => response.drain().then(
+          (_) => response.statusCode));
+}
+
+
+Future<HttpHeaders> getHeaders(int port, String path) {
+  return new HttpClient().get('localhost', port, path)
+      .then((request) => request.close())
+      .then((response) => response.drain().then(
+          (_) => response.headers));
+}
+
+
+const CERTIFICATE = "localhost_cert";
+
+
+setupSecure() {
+  Path scriptDir = new Path(new Options().script).directoryPath;
+  Path certificateDatabase = scriptDir.append('pkcert');
+  SecureSocket.initialize(database: certificateDatabase.toNativePath(),
+                          password: 'dartdart');
+}