Convert json_rpc.Server to take a Stream and StreamSink.

pkg/json_rpc_2/test/server/invalid_request_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 json_rpc_2.test.server.invalid_request_test;
 
 import 'dart:convert';
 
 import 'package:unittest/unittest.dart';
 import 'package:json_rpc_2/error_code.dart' as error_code;
 import 'package:json_rpc_2/json_rpc_2.dart' as json_rpc;
 
 import 'utils.dart';
 
 void main() {
-  var server;
-  setUp(() => server = new json_rpc.Server());
+  var controller;
+  setUp(() => controller = new ServerController());
 
   test("a non-Array/Object request is invalid", () {
-    expectErrorResponse(server, 'foo', error_code.INVALID_REQUEST,
+    expectErrorResponse(controller, 'foo', error_code.INVALID_REQUEST,
         'Request must be an Array or an Object.');
   });
 
   test("requests must have a jsonrpc key", () {
-    expectErrorResponse(server, {
+    expectErrorResponse(controller, {
       'method': 'foo',
       'id': 1234
     }, error_code.INVALID_REQUEST, 'Request must contain a "jsonrpc" key.');
   });
 
   test("the jsonrpc version must be 2.0", () {
-    expectErrorResponse(server, {
+    expectErrorResponse(controller, {
       'jsonrpc': '1.0',
       'method': 'foo',
       'id': 1234
     }, error_code.INVALID_REQUEST,
         'Invalid JSON-RPC version "1.0", expected "2.0".');
   });
 
   test("requests must have a method key", () {
-    expectErrorResponse(server, {
+    expectErrorResponse(controller, {
       'jsonrpc': '2.0',
       'id': 1234
     }, error_code.INVALID_REQUEST, 'Request must contain a "method" key.');
   });
 
   test("request method must be a string", () {
-    expectErrorResponse(server, {
+    expectErrorResponse(controller, {
       'jsonrpc': '2.0',
       'method': 1234,
       'id': 1234
     }, error_code.INVALID_REQUEST,
         'Request method must be a string, but was 1234.');
   });
 
   test("request params must be an Array or Object", () {
-    expectErrorResponse(server, {
+    expectErrorResponse(controller, {
       'jsonrpc': '2.0',
       'method': 'foo',
       'params': 1234,
       'id': 1234
     }, error_code.INVALID_REQUEST,
         'Request params must be an Array or an Object, but was 1234.');
   });
 
   test("request id may not be an Array or Object", () {
-    expect(server.handleRequest({
+    expect(controller.handleRequest({
       'jsonrpc': '2.0',
       'method': 'foo',
       'id': {'bad': 'id'}
     }), completion(equals({
       'jsonrpc': '2.0',
       'id': null,
       'error': {
         'code': error_code.INVALID_REQUEST,
         'message': 'Request id must be a string, number, or null, but was '
             '{"bad":"id"}.',
         'data': {'request': {
           'jsonrpc': '2.0',
           'method': 'foo',
           'id': {'bad': 'id'}
         }}
       }
     })));
   });
 }