Ensure HtmlWorkManager is subscribed to the right stream for invalidations in the presence of Sourc…

pkg/analyzer/test/src/task/html_work_manager_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.
 
 library analyzer.test.src.task.html_work_manager_test;
 
 import 'package:analyzer/error/error.dart' show AnalysisError;
 import 'package:analyzer/exception/exception.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/error/codes.dart' show HtmlErrorCode;
@@ skipping 293 matching lines @@
 }
 
 class _InternalAnalysisContextMock extends TypedMock
     implements InternalAnalysisContext {
   @override
   CachePartition privateAnalysisCachePartition;
 
   @override
   AnalysisCache analysisCache;
 
+  // the production version is a stream that carries messages from the cache

[scheglov, 2016/10/28 19:04:45]

Write full sentences please :-)
Start with a capital letter and end with a dot.

+  // since the cache changes. Here, we can just pass the inner stream because
+  // it doesn't change
+  @override
+  get onResultInvalidated => analysisCache.onResultInvalidated;
+
   Map<Source, ChangeNoticeImpl> _pendingNotices = <Source, ChangeNoticeImpl>{};
 
   _InternalAnalysisContextMock() {
     privateAnalysisCachePartition = new UniversalCachePartition(this);
     analysisCache = new AnalysisCache([privateAnalysisCachePartition]);
   }
 
   @override
   CacheEntry getCacheEntry(AnalysisTarget target) {
     CacheEntry entry = analysisCache.get(target);
@@ skipping 16 matching lines @@
     return new AnalysisErrorInfoImpl(
         errors, getCacheEntry(source).getValue(LINE_INFO));
   }
 
   @override
   ChangeNoticeImpl getNotice(Source source) {
     return _pendingNotices.putIfAbsent(
         source, () => new ChangeNoticeImpl(source));
   }
 }