Overhaul the semantics of Request.handlerPath and Request.url.

test/shelf_io_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_io_test;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
@@ skipping 67 matching lines @@
   test('Request is populated correctly', () {
     var path = '/foo/bar?qs=value';
 
     _scheduleServer((request) {
       expect(request.contentLength, 0);
       expect(request.method, 'GET');
 
       var expectedUrl = 'http://localhost:$_serverPort$path';
       expect(request.requestedUri, Uri.parse(expectedUrl));
 
-      expect(request.url.path, '/foo/bar');
+      expect(request.url.path, 'foo/bar');
       expect(request.url.pathSegments, ['foo', 'bar']);
       expect(request.protocolVersion, '1.1');
       expect(request.url.query, 'qs=value');
-      expect(request.scriptName, '');
+      expect(request.handlerPath, '/');
 
       return syncHandler(request);
     });
 
     return schedule(() => http.get('http://localhost:$_serverPort$path')).then(
         (response) {
       expect(response.statusCode, HttpStatus.OK);
       expect(response.body, 'Hello from /foo/bar');
     });
   });
@@ skipping 255 matching lines @@
   return schedule(() {
     var request =
         new http.Request('POST', Uri.parse('http://localhost:$_serverPort/'));
 
     if (headers != null) request.headers.addAll(headers);
     if (body != null) request.body = body;
 
     return request.send();
   });
 }