Issue 22757. Update self references on package rename.

pkg/analysis_server/test/services/refactoring/move_file_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.services.refactoring.move_files;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 175 matching lines @@
     String pubspecPath = '/testName/pubspec.yaml';
     String appPath = '/testName/bin/myApp.dart';
     provider.newFile(pubspecPath, '''
 name: testName
 version: 0.0.1
 description: My pubspec file.
 ''');
     addSource('/testName/lib/myLib.dart', '');
     addSource(appPath, '''
 import 'package:testName/myLib.dart';
+export 'package:testName/myLib.dart';
 ''');
-    addTestSource('');
+    // configure Uri resolves
+    context.sourceFactory = new SourceFactory([
+      AbstractContextTest.SDK_RESOLVER,
+      new PackageMapUriResolver(provider, <String, List<Folder>>{
+        'testName': [provider.getResource('/testName/lib')]
+      }),
+      resourceResolver,
+    ]);
+    // analyze
     _performAnalysis();
     // perform refactoring
     refactoring = new MoveFileRefactoring(
         provider, searchEngine, context, null, '/testName');
     refactoring.newFile = '/newName';
     await _assertSuccessfulRefactoring();
-//    print(refactoringChange);
     assertFileChangeResult(pubspecPath, '''
 name: newName
 version: 0.0.1
 description: My pubspec file.
 ''');
-    // TODO(scheglov) update self references
-//    assertFileChangeResult(appPath, '''
-//import 'package:newName/myLib.dart';
-//''');
+    assertFileChangeResult(appPath, '''
+import 'package:newName/myLib.dart';
+export 'package:newName/myLib.dart';
+''');
   }
 
   /**
    * Checks that all conditions are OK.
    */
   Future _assertSuccessfulRefactoring() async {
     await assertRefactoringConditionsOK();
     refactoringChange = await refactoring.createChange();
   }
 
@@ skipping 10 matching lines @@
         break;
       }
       for (ChangeNotice notice in result.changeNotices) {
         if (notice.source.fullName.startsWith('/project/')) {
           index.indexUnit(context, notice.resolvedDartUnit);
         }
       }
     }
   }
 }