Make Suite contain a single Group.

test/runner/isolate_listener_test.dart

 // Copyright (c) 2015, 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.
 
 @TestOn("vm")
 
 import 'dart:async';
 import 'dart:isolate';
 
+import 'package:test/src/backend/group.dart';
 import 'package:test/src/backend/invoker.dart';
 import 'package:test/src/backend/live_test.dart';
 import 'package:test/src/backend/metadata.dart';
 import 'package:test/src/backend/state.dart';
 import 'package:test/src/backend/suite.dart';
 import 'package:test/src/runner/vm/isolate_listener.dart';
 import 'package:test/src/runner/vm/isolate_test.dart';
 import 'package:test/src/util/remote_exception.dart';
 import 'package:test/test.dart';
 
@@ skipping 14 matching lines @@
     if (_isolate != null) _isolate.kill();
     _isolate = null;
 
     if (_liveTest != null) _liveTest.close();
     _liveTest = null;
   });
 
   test("sends a list of available tests and groups on startup", () async {
     var response = await (await _spawnIsolate(_successfulTests)).first;
     expect(response, containsPair("type", "success"));
-    expect(response, contains("entries"));
+    expect(response, contains("root"));
 
-    var tests = response["entries"];
+    var root = response["root"];
+    expect(root, containsPair("type", "group"));
+    expect(root, containsPair("name", null));
+
+    var tests = root["entries"];
     expect(tests, hasLength(3));
     expect(tests[0], containsPair("name", "successful 1"));
     expect(tests[1], containsPair("name", "successful 2"));
     expect(tests[2], containsPair("type", "group"));
     expect(tests[2], containsPair("name", "successful"));
     expect(tests[2], contains("entries"));
     expect(tests[2]["entries"][0], containsPair("name", "successful 3"));
   });
 
   test("waits for a returned future sending a response", () async {
     var response = await (await _spawnIsolate(_asyncTests)).first;
     expect(response, containsPair("type", "success"));
-    expect(response, contains("entries"));
+    expect(response, contains("root"));
 
-    var tests = response["entries"];
+    var tests = response["root"]["entries"];
     expect(tests, hasLength(3));
     expect(tests[0], containsPair("name", "successful 1"));
     expect(tests[1], containsPair("name", "successful 2"));
     expect(tests[2], containsPair("name", "successful 3"));
   });
 
   test("sends an error response if loading fails", () async {
     var response = await (await _spawnIsolate(_loadError)).first;
     expect(response, containsPair("type", "error"));
     expect(response, contains("error"));
@@ skipping 187 matching lines @@
   });
 }
 
 /// Loads the first test defined in [entryPoint] in another isolate.
 ///
 /// This test will be automatically closed when the test is finished.
 Future<LiveTest> _isolateTest(void entryPoint(SendPort sendPort)) async {
   var response = await (await _spawnIsolate(entryPoint)).first;
   expect(response, containsPair("type", "success"));
 
-  var testMap = response["entries"].first;
+  var testMap = response["root"]["entries"].first;
   expect(testMap, containsPair("type", "test"));
   var metadata = new Metadata.deserialize(testMap["metadata"]);
   var test = new IsolateTest(testMap["name"], metadata, testMap["sendPort"]);
-  var suite = new Suite([test]);
+  var suite = new Suite(new Group.root([test]));
   _liveTest = test.load(suite);
   return _liveTest;
 }
 
 /// Spawns an isolate from [entryPoint], sends it a new [SendPort], and returns
 /// the corresponding [ReceivePort].
 ///
 /// This isolate will be automatically killed when the test is finished.
 Future<ReceivePort> _spawnIsolate(void entryPoint(SendPort sendPort)) async {
   var receivePort = new ReceivePort();
@@ skipping 114 matching lines @@
 /// An isolate entrypoint that defines a test that prints twice.
 void _printTest(SendPort sendPort) {
   IsolateListener.start(sendPort, new Metadata(), () => () {
     test("prints", () {
       print("Hello,");
       return new Future(() => print("world!"));
     });
   });
 }