Added support for running an HTTP server during the test and being able to serve up static files. L…

utils/testrunner/run_process_task.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.
 
 /** A pipeline task to run a process and capture the output. */
 class RunProcessTask extends PipelineTask {
   String _commandTemplate;
   List _argumentTemplates;
   int _timeout;
 
-  void init(String commandTemplate, List argumentTemplates, int timeout) {
-    this._commandTemplate = commandTemplate;
-    this._argumentTemplates = argumentTemplates;
-    this._timeout = timeout;
-  }
+  RunProcessTask(this._commandTemplate, this._argumentTemplates, this._timeout);
 
-  RunProcessTask();
-
-  void execute(Path testfile, List stdout, List stderr, bool logging,
+  execute(Path testfile, List stdout, List stderr, bool logging,
               Function exitHandler) {
     var cmd = expandMacros(_commandTemplate, testfile);
     List args = new List();
     for (var i = 0; i < _argumentTemplates.length; i++) {
       args.add(expandMacros(_argumentTemplates[i], testfile));
     }
 
     if (logging) {
       stdout.add('Running $cmd ${Strings.join(args, " ")}');
     }
@@ skipping 18 matching lines @@
       print("  Error: $e");
       exitHandler(-1);
     };
 
     StringInputStream stdoutStringStream =
         new StringInputStream(process.stdout);
     StringInputStream stderrStringStream =
         new StringInputStream(process.stderr);
     stdoutStringStream.onLine = makeReadHandler(stdoutStringStream, stdout);
     stderrStringStream.onLine = makeReadHandler(stderrStringStream, stderr);
+    return process;
   }
 
   Function makeReadHandler(StringInputStream source, List<String> destination) {
     return () {
       if (source.closed) return;
       var line = source.readLine();
       while (null != line) {
         if (config.immediateOutput && line.startsWith('###')) {
           _outStream.writeString(line.substring(3));
           _outStream.writeString('\n');
         } else {
           destination.add(line);
         }
         line = source.readLine();
       }
     };
   }
 }