Add plugin support for getAssists

pkg/analysis_server/test/edit/fixes_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 test.edit.fixes;
-
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/edit/edit_domain.dart';
+import 'package:analysis_server/src/plugin/plugin_manager.dart';
+import 'package:analyzer_plugin/protocol/protocol.dart' as plugin;
+import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
+import 'package:analyzer_plugin/src/protocol/protocol_internal.dart' as plugin;
 import 'package:plugin/manager.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../analysis_abstract.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(FixesTest);
   });
 }
 
 @reflectiveTest
 class FixesTest extends AbstractAnalysisTest {
   @override
   void setUp() {
+    enableNewAnalysisDriver = true;
     super.setUp();
     ExtensionManager manager = new ExtensionManager();
     manager.processPlugins([server.serverPlugin]);
     handler = new EditDomainHandler(server);
   }
 
   test_fixUndefinedClass() async {
     createProject();
     addTestFile('''
 main() {
   Future<String> x = null;
 }
 ''');
     await waitForTasksFinished();
     List<AnalysisErrorFixes> errorFixes = await _getFixesAt('Future<String>');
     expect(errorFixes, hasLength(1));
     AnalysisError error = errorFixes[0].error;
     expect(error.severity, AnalysisErrorSeverity.WARNING);
     expect(error.type, AnalysisErrorType.STATIC_WARNING);
     List<SourceChange> fixes = errorFixes[0].fixes;
     expect(fixes, hasLength(2));
     expect(fixes[0].message, matches('Import library'));
     expect(fixes[1].message, matches('Create class'));
   }
 
+  test_fromPlugins() async {
+    PluginInfo info = new PluginInfo('a', 'b', 'c', null, null);
+    plugin.AnalysisErrorFixes fixes = new plugin.AnalysisErrorFixes(
+        new plugin.AnalysisError(
+            plugin.AnalysisErrorSeverity.ERROR,
+            plugin.AnalysisErrorType.HINT,
+            new plugin.Location('', 0, 0, 0, 0),
+            'message',
+            'code'));
+    plugin.EditGetFixesResult result =
+        new plugin.EditGetFixesResult(<plugin.AnalysisErrorFixes>[fixes]);
+    pluginManager.broadcastResults = <PluginInfo, Future<plugin.Response>>{
+      info: new Future.value(result.toResponse('-'))
+    };
+
+    createProject();
+    addTestFile('main() {}');
+    await waitForTasksFinished();
+    List<AnalysisErrorFixes> errorFixes = await _getFixesAt('in(');
+    expect(errorFixes, hasLength(1));
+  }
+
   test_hasFixes() async {
     createProject();
     addTestFile('''
 foo() {
   print(1)
 }
 bar() {
   print(10) print(20)
 }
 ''');
@@ skipping 74 matching lines @@
     return await _getFixes(offset);
   }
 
   void _isSyntacticErrorWithSingleFix(AnalysisErrorFixes fixes) {
     AnalysisError error = fixes.error;
     expect(error.severity, AnalysisErrorSeverity.ERROR);
     expect(error.type, AnalysisErrorType.SYNTACTIC_ERROR);
     expect(fixes.fixes, hasLength(1));
   }
 }