New testrunner that runs the test pipleine in an isolate.

utils/testrunner/http_server_test_runner.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('server');
 #import('dart:io');
 #import('../../pkg/args/lib/args.dart');
 
 /** A simple HTTP server. Currently handles serving static files. */
 class HttpTestServer {
@@ skipping 42 matching lines @@
             File f = new File(path);
             if (f.existsSync()) {
               var p = path.substring(path.lastIndexOf('.') + 1).toLowerCase();
               if (MIME_TYPES.containsKey(p)) {
                 var ct = MIME_TYPES[p];
                 var idx = ct.indexOf('/');
                 response.headers.contentType =
                     new ContentType(ct.substring(0, idx),
                         ct.substring(idx + 1));
               }
-              response.statusCode = HttpStatus.OK;
-              response.reasonPhrase = "OK";
-              var content = f.readAsBytesSync();
-              response.outputStream.write(content);
-              response.outputStream.close();
+              f.openInputStream().pipe(response.outputStream);
             } else {
               response.statusCode = HttpStatus.NOT_FOUND;
-              response.reasonPhrase = "Not Found";
+              response.reasonPhrase = '$path does not exist';
               response.outputStream.close();
             }
           }
         } catch(e,s) {
           response.statusCode = HttpStatus.INTERNAL_SERVER_ERROR;
           response.reasonPhrase = "$e";
+          response.outputStream.writeString(s.toString());
           response.outputStream.close();
         }
       };
   }
 
   void addHandler(Function matcher, handler) {
     if (handler is Function) {
       server.addRequestHandler(matcher, handler);
     } else {
       server.addRequestHandler(matcher, handler.onRequest);
@@ skipping 23 matching lines @@
     var argResults = optionsParser.parse(new Options().arguments);
     var server = new HttpTestServer(
         int.parse(argResults['port']),
         argResults['root']);
   } catch (e) {
     print(e);
     print('Usage: http_server_test_runner.dart <options>');
     print(optionsParser.getUsage());
   }
 }