Create summary files in MockSdk classes

pkg/analyzer/test/src/context/mock_sdk.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 analyzer.test.src.context.mock_sdk;
 
 import 'package:analyzer/file_system/file_system.dart' as resource;
 import 'package:analyzer/file_system/memory_file_system.dart' as resource;
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/context/context.dart';
@@ skipping 333 matching lines @@
 
   @override
   final List<SdkLibrary> sdkLibraries;
 
   /**
    * The cached linked bundle of the SDK.
    */
   PackageBundle _bundle;
 
   MockSdk(
-      {bool dartAsync: true, resource.MemoryResourceProvider resourceProvider})
+      {bool buildSummaries: true,
+      bool dartAsync: true,
+      resource.MemoryResourceProvider resourceProvider})
       : provider = resourceProvider ?? new resource.MemoryResourceProvider(),
         sdkLibraries = dartAsync ? _LIBRARIES : [_LIB_CORE],
         uriMap = dartAsync ? FULL_URI_MAP : NO_ASYNC_URI_MAP {
     for (_MockSdkLibrary library in sdkLibraries) {
       provider.newFile(provider.convertPath(library.path), library.content);
       library.parts.forEach((String path, String content) {
         provider.newFile(provider.convertPath(path), content);
       });
     }
     provider.newFile(
         provider.convertPath(
             '$sdkRoot/lib/_internal/sdk_library_metadata/lib/libraries.dart'),
         librariesContent);
+    if (buildSummaries) {
+      List<int> bytes = _computeLinkedBundleBytes();
+      provider.newFileWithBytes(
+          provider.convertPath('/lib/_internal/spec.sum'), bytes);
+      provider.newFileWithBytes(
+          provider.convertPath('/lib/_internal/strong.sum'), bytes);
+    }
   }
 
   @override
   AnalysisContextImpl get context {
     if (_analysisContext == null) {
       _analysisContext = new _SdkAnalysisContext(this);
       SourceFactory factory = new SourceFactory([new DartUriResolver(this)]);
       _analysisContext.sourceFactory = factory;
     }
     return _analysisContext;
@@ skipping 37 matching lines @@
           return null;
         }
       }
     }
     return null;
   }
 
   @override
   PackageBundle getLinkedBundle() {
     if (_bundle == null) {
-      List<Source> librarySources = sdkLibraries
-          .map((SdkLibrary library) => mapDartUri(library.shortName))
-          .toList();
-      List<int> bytes = new SummaryBuilder(
-              librarySources, context, context.analysisOptions.strongMode)
-          .build();
-      _bundle = new PackageBundle.fromBuffer(bytes);
+      _bundle = new PackageBundle.fromBuffer(_computeLinkedBundleBytes());
     }
     return _bundle;
   }
 
   @override
   SdkLibrary getSdkLibrary(String dartUri) {
     // getSdkLibrary() is only used to determine whether a library is internal
     // to the SDK.  The mock SDK doesn't have any internals, so it's safe to
     // return null.
     return null;
@@ skipping 18 matching lines @@
    */
   void updateUriFile(String uri, String updateContent(String content)) {
     assert(_analysisContext == null);
     String path = FULL_URI_MAP[uri];
     assert(path != null);
     path = provider.convertPath(path);
     String content = provider.getFile(path).readAsStringSync();
     String newContent = updateContent(content);
     provider.updateFile(path, newContent);
   }
+
+  /**
+   * Compute the bytes in the linked bundle associated with this SDK.

[scheglov, 2016/12/02 01:15:52]

"in the" -> "of the"?

[Brian Wilkerson, 2016/12/02 15:32:04]

Done

+   */
+  List<int> _computeLinkedBundleBytes() {
+    List<Source> librarySources = sdkLibraries
+        .map((SdkLibrary library) => mapDartUri(library.shortName))
+        .toList();
+    return new SummaryBuilder(
+            librarySources, context, context.analysisOptions.strongMode)
+        .build();
+  }
 }
 
 class _MockSdkLibrary implements SdkLibrary {
   final String shortName;
   final String path;
   final String content;
   final Map<String, String> parts;
 
   const _MockSdkLibrary(this.shortName, this.path, this.content,
       [this.parts = const <String, String>{}]);
@@ skipping 33 matching lines @@
 
   @override
   AnalysisCache createCacheFromSourceFactory(SourceFactory factory) {
     if (factory == null) {
       return super.createCacheFromSourceFactory(factory);
     }
     return new AnalysisCache(
         <CachePartition>[AnalysisEngine.instance.partitionManager.forSdk(sdk)]);
   }
 }