Add support for external summaries bundle in AnalysisDriver.

pkg/analyzer/test/src/dart/analysis/base.dart

 // Copyright (c) 2016, 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.
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/visitor.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
 import 'package:analyzer/src/dart/analysis/byte_store.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/dart/analysis/file_state.dart';
 import 'package:analyzer/src/dart/analysis/status.dart';
 import 'package:analyzer/src/generated/engine.dart' show AnalysisOptionsImpl;
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/summary/package_bundle_reader.dart';
 import 'package:test/test.dart';
 import 'package:typed_mock/typed_mock.dart';
 
 import '../../context/mock_sdk.dart';
 
 /**
  * Finds an [Element] with the given [name].
  */
 Element findChildElement(Element root, String name, [ElementKind kind]) {
   Element result = null;
@@ skipping 40 matching lines @@
 
   void addTestFile(String content, {bool priority: false}) {
     testCode = content;
     provider.newFile(testFile, content);
     driver.addFile(testFile);
     if (priority) {
       driver.priorityFiles = [testFile];
     }
   }
 
+  AnalysisDriver createAnalysisDriver({SummaryDataStore externalSummaries}) {
+    return new AnalysisDriver(
+        scheduler,
+        logger,
+        provider,
+        byteStore,
+        contentOverlay,
+        null,
+        new SourceFactory([
+          new DartUriResolver(sdk),
+          generatedUriResolver,
+          new PackageMapUriResolver(provider, <String, List<Folder>>{
+            'test': [provider.getFolder(testProject)]
+          }),
+          new ResourceUriResolver(provider)
+        ], null, provider),
+        new AnalysisOptionsImpl()
+          ..strongMode = true
+          ..enableUriInPartOf = true,
+        disableChangesAndCacheAllResults: disableChangesAndCacheAllResults,
+        externalSummaries: externalSummaries);
+  }
+
   int findOffset(String search) {
     int offset = testCode.indexOf(search);
     if (offset < 0) {
       fail("Did not find '$search' in\n$testCode");
     }
     return offset;
   }
 
   int getLeadingIdentifierLength(String search) {
     int length = 0;
@@ skipping 15 matching lines @@
     }
     return length;
   }
 
   void setUp() {
     sdk = new MockSdk(resourceProvider: provider);
     testProject = _p('/test/lib');
     testFile = _p('/test/lib/test.dart');
     logger = new PerformanceLog(logBuffer);
     scheduler = new AnalysisDriverScheduler(logger);
-    driver = new AnalysisDriver(
-        scheduler,
-        logger,
-        provider,
-        byteStore,
-        contentOverlay,
-        null,
-        new SourceFactory([
-          new DartUriResolver(sdk),
-          generatedUriResolver,
-          new PackageMapUriResolver(provider, <String, List<Folder>>{
-            'test': [provider.getFolder(testProject)]
-          }),
-          new ResourceUriResolver(provider)
-        ], null, provider),
-        new AnalysisOptionsImpl()
-          ..strongMode = true
-          ..enableUriInPartOf = true,
-        disableChangesAndCacheAllResults: disableChangesAndCacheAllResults);
+    driver = createAnalysisDriver();
     scheduler.start();
     scheduler.status.listen(allStatuses.add);
     driver.results.listen(allResults.add);
     driver.exceptions.listen(allExceptions.add);
   }
 
   String _p(String path) => provider.convertPath(path);
 }
 
 /**
  * Wraps an [_ElementVisitorFunction] into a [GeneralizingElementVisitor].
  */
 class _ElementVisitorFunctionWrapper extends GeneralizingElementVisitor {
   final _ElementVisitorFunction function;
 
   _ElementVisitorFunctionWrapper(this.function);
 
   visitElement(Element element) {
     function(element);
     super.visitElement(element);
   }
 }
 
 class _GeneratedUriResolverMock extends TypedMock implements UriResolver {}