Make IOSink implement StringSink

utils/tests/pub/pub_uploader_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// 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 pub_uploader_test;
 
 import 'dart:io';
 import 'dart:json' as json;
 
 import 'test_pub.dart';
 import '../../../pkg/unittest/lib/unittest.dart';
@@ skipping 39 matching lines @@
   integration('adds an uploader', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['--package', 'pkg', 'add', 'email']);
 
     server.handle('POST', '/packages/pkg/uploaders.json', (request, response) {
       expect(new ByteStream(request).toBytes().then((bodyBytes) {
         expect(new String.fromCharCodes(bodyBytes), equals('email=email'));
 
         response.headers.contentType = new ContentType("application", "json");
-        response.addString(json.stringify({
+        response.write(json.stringify({
           'success': {'message': 'Good job!'}
         }));
         response.close();
       }), completes);
     });
 
     expectLater(pub.nextLine(), equals('Good job!'));
     pub.shouldExit(0);
   });
 
   integration('removes an uploader', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['--package', 'pkg', 'remove', 'email']);
 
     server.handle('DELETE', '/packages/pkg/uploaders/email.json',
         (request, response) {
       response.headers.contentType = new ContentType("application", "json");
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'success': {'message': 'Good job!'}
       }));
       response.close();
     });
 
     expectLater(pub.nextLine(), equals('Good job!'));
     pub.shouldExit(0);
   });
 
   integration('defaults to the current package', () {
     normalPackage.scheduleCreate();
 
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['add', 'email']);
 
     server.handle('POST', '/packages/test_pkg/uploaders.json',
         (request, response) {
       response.headers.contentType = new ContentType("application", "json");
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'success': {'message': 'Good job!'}
       }));
       response.close();
     });
 
     expectLater(pub.nextLine(), equals('Good job!'));
     pub.shouldExit(0);
   });
 
   integration('add provides an error', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['--package', 'pkg', 'add', 'email']);
 
     server.handle('POST', '/packages/pkg/uploaders.json', (request, response) {
       response.statusCode = 400;
       response.headers.contentType = new ContentType("application", "json");
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'error': {'message': 'Bad job!'}
       }));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Bad job!'));
     pub.shouldExit(1);
   });
 
   integration('remove provides an error', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server,
         ['--package', 'pkg', 'remove', 'e/mail']);
 
     server.handle('DELETE', '/packages/pkg/uploaders/e%2Fmail.json',
         (request, response) {
       response.statusCode = 400;
       response.headers.contentType = new ContentType("application", "json");
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'error': {'message': 'Bad job!'}
       }));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Bad job!'));
     pub.shouldExit(1);
   });
 
   integration('add provides invalid JSON', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['--package', 'pkg', 'add', 'email']);
 
     server.handle('POST', '/packages/pkg/uploaders.json', (request, response) {
-      response.addString("{not json");
+      response.write("{not json");
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals('{not json'));
     pub.shouldExit(1);
   });
 
   integration('remove provides invalid JSON', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubUploader(server, ['--package', 'pkg', 'remove', 'email']);
 
     server.handle('DELETE', '/packages/pkg/uploaders/email.json',
         (request, response) {
-      response.addString("{not json");
+      response.write("{not json");
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals('{not json'));
     pub.shouldExit(1);
   });
 }