Update pub to use the latest dart:io stream APIs.

utils/tests/pub/pub_lish_test.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 pub_lish_test;
 
 import 'dart:io';
 import 'dart:json' as json;
 
 import 'test_pub.dart';
@@ skipping 11 matching lines @@
         body = {
           'url': url.resolve('/upload').toString(),
           'fields': {
             'field1': 'value1',
             'field2': 'value2'
           }
         };
       }
 
       response.headers.contentType = new ContentType("application", "json");
-      response.addString(json.stringify(body));
+      response.write(json.stringify(body));
       response.close();
     });
   });
 }
 
 void handleUpload(ScheduledServer server) {
   server.handle('POST', '/upload', (request, response) {
     // TODO(nweiz): Once a multipart/form-data parser in Dart exists, validate
     // that the request body is correctly formatted. See issue 6952.
     return drainStream(request).then((_) {
@@ skipping 13 matching lines @@
   integration('archives and uploads a package', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
     handleUpload(server);
 
     server.handle('GET', '/create', (request, response) {
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
       }));
       response.close();
     });
 
     // TODO(rnystrom): The confirm line is run together with this one because
     // in normal usage, the user will have entered a newline on stdin which
     // gets echoed to the terminal. Do something better here?
     expectLater(pub.nextLine(), equals(
         'Looks great! Are you ready to upload your package (y/n)?'
@@ skipping 66 matching lines @@
     dir(appPath, [pubspec(pkg)]).scheduleCreate();
 
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
     pub.writeLine("y");
     handleUploadForm(server);
     handleUpload(server);
 
     server.handle('GET', '/create', (request, response) {
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
       }));
       response.close();
     });
 
     pub.shouldExit(0);
     expectLater(pub.remainingStdout(),
         contains('Package test_pkg 1.0.0 uploaded!'));
   });
 
   integration('upload form provides an error', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
 
     server.handle('GET', '/packages/versions/new.json', (request, response) {
       response.statusCode = 400;
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'error': {'message': 'your request sucked'}
       }));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('your request sucked'));
     pub.shouldExit(1);
   });
 
   integration('upload form provides invalid JSON', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
 
     server.handle('GET', '/packages/versions/new.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('upload form is missing url', () {
     var server = new ScheduledServer();
@@ skipping 86 matching lines @@
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
 
     server.handle('POST', '/upload', (request, response) {
       return drainStream(request).then((_) {
         response.statusCode = 400;
         response.headers.contentType = new ContentType('application', 'xml');
-        response.addString('<Error><Message>Your request sucked.'
+        response.write('<Error><Message>Your request sucked.'
             '</Message></Error>');
         response.close();
       });
     });
 
     // TODO(nweiz): This should use the server's error message once the client
     // can parse the XML.
     expectLater(pub.nextErrLine(), equals('Failed to upload the package.'));
     pub.shouldExit(1);
   });
@@ skipping 21 matching lines @@
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
     handleUpload(server);
 
     server.handle('GET', '/create', (request, response) {
       response.statusCode = 400;
-      response.addString(json.stringify({
+      response.write(json.stringify({
         'error': {'message': 'Your package was too boring.'}
       }));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Your package was too boring.'));
     pub.shouldExit(1);
   });
 
   integration('package creation provides invalid JSON', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
     handleUpload(server);
 
     server.handle('GET', '/create', (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('package creation provides a malformed error', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
     handleUpload(server);
 
     var body = {'error': 'Your package was too boring.'};
     server.handle('GET', '/create', (request, response) {
       response.statusCode = 400;
-      response.addString(json.stringify(body));
+      response.write(json.stringify(body));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals(json.stringify(body)));
     pub.shouldExit(1);
   });
 
   integration('package creation provides a malformed success', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     confirmPublish(pub);
     handleUploadForm(server);
     handleUpload(server);
 
     var body = {'success': 'Your package was awesome.'};
     server.handle('GET', '/create', (request, response) {
-      response.addString(json.stringify(body));
+      response.write(json.stringify(body));
       response.close();
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals(json.stringify(body)));
     pub.shouldExit(1);
   });
 
   group('--force', () {
     setUp(() => normalPackage.scheduleCreate());
 
     integration('cannot be combined with --dry-run', () {
       schedulePub(args: ['lish', '--force', '--dry-run'],
           error: "Cannot use both --force and --dry-run.",
           exitCode: exit_codes.USAGE);
     });
 
     integration('publishes if there are no warnings or errors', () {
       var server = new ScheduledServer();
       credentialsFile(server, 'access token').scheduleCreate();
       var pub = startPubLish(server, args: ['--force']);
 
       handleUploadForm(server);
       handleUpload(server);
 
       server.handle('GET', '/create', (request, response) {
-        response.addString(json.stringify({
+        response.write(json.stringify({
           'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
         }));
         response.close();
       });
 
       pub.shouldExit(0);
       expectLater(pub.remainingStdout(), contains(
           'Package test_pkg 1.0.0 uploaded!'));
     });
 
     integration('publishes if there are warnings', () {
       var pkg = package("test_pkg", "1.0.0");
       pkg["author"] = "Nathan Weizenbaum";
       dir(appPath, [pubspec(pkg)]).scheduleCreate();
 
       var server = new ScheduledServer();
       credentialsFile(server, 'access token').scheduleCreate();
       var pub = startPubLish(server, args: ['--force']);
 
       handleUploadForm(server);
       handleUpload(server);
 
       server.handle('GET', '/create', (request, response) {
-        response.addString(json.stringify({
+        response.write(json.stringify({
           'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
         }));
         response.close();
       });
 
       pub.shouldExit(0);
       expectLater(pub.remainingStderr(), contains(
           'Suggestions:\n* Author "Nathan Weizenbaum" in pubspec.yaml'
           ' should have an email address\n'
           '  (e.g. "name <email>").'));
       expectLater(pub.remainingStdout(), contains(
           'Package test_pkg 1.0.0 uploaded!'));
     });
 
     integration('does not publish if there are errors', () {
       var pkg = package("test_pkg", "1.0.0");
       pkg.remove("homepage");
       dir(appPath, [pubspec(pkg)]).scheduleCreate();
 
       var server = new ScheduledServer();
       var pub = startPubLish(server, args: ['--force']);
 
       pub.shouldExit(0);
       expectLater(pub.remainingStderr(), contains(
           "Sorry, your package is missing a requirement and can't be "
           "published yet."));
     });
   });
 }