Initial work on refactorings.

pkg/analysis_services/test/refactoring/rename_local_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.
+
+// This code was auto-generated, is not intended to be edited, and is subject to
+// significant change. Please see the README file for more information.
+
+library test.services.refactoring.rename_local;
+
+import 'package:analysis_services/correction/change.dart';
+import 'package:analysis_services/correction/status.dart';
+import 'package:analysis_services/index/index.dart';
+import 'package:analysis_services/index/local_memory_index.dart';
+import 'package:analysis_services/refactoring/refactoring.dart';
+import 'package:analysis_services/search/search_engine.dart';
+import 'package:analysis_services/src/correction/source_range.dart';
+import 'package:analysis_services/src/search/search_engine.dart';
+import 'package:analysis_testing/abstract_single_unit.dart';
+import 'package:analysis_testing/reflective_tests.dart';
+import 'package:analyzer/src/generated/ast.dart';
+import 'package:analyzer/src/generated/element.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:typed_mock/typed_mock.dart';
+import 'package:unittest/unittest.dart';
+
+
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(RenameLocalTest);
+}
+
+
+@ReflectiveTestCase()
+class RenameLocalTest extends RenameRefactoringTest {
+  void test_createChange_localVariable() {
+    indexTestUnit('''
+main() {
+  int test = 0;
+  test = 1;
+  test += 2;
+  print(test);
+}
+''');
+    // configure refactoring
+    createRenameRefactoringAtString('test = 0');
+    print(refactoring.refactoringName);
+    expect(refactoring.refactoringName, 'Rename Local Variable');
+    refactoring.newName = 'newName';
+    // validate change
+    // TODO(scheglov)
+//    assertSuccessfulRename(
+//        "// filler filler filler filler filler filler filler filler filler filler",
+//        "main() {",
+//        "  int newName = 0;",
+//        "  newName = 1;",
+//        "  newName += 2;",
+//        "  print(newName);",
+//        "}");
+  }
+}
+
+
+/**
+ * The base class for all [RenameRefactoring] tests.
+ *
+ * TODO(scheglov) extract
+ */
+class RenameRefactoringTest extends AbstractSingleUnitTest {
+  Index index;
+  SearchEngineImpl searchEngine;
+
+  RenameRefactoring refactoring;
+  Change refactoringChange;
+
+  /**
+   * Creates a new [RenameRefactoring] in [refactoringC] for the [Element] of
+   * the [SimpleIdentifier] at the given [search] pattern.
+   */
+  void createRenameRefactoringAtString(String search) {
+    SimpleIdentifier identifier = findIdentifier(search);
+    Element element = identifier.bestElement;
+    // TODO(scheglov) uncomment later
+//    if (element instanceof PrefixElement) {
+//      element = IndexContributor.getImportElement(identifier);
+//    }
+    refactoring = new RenameRefactoring(searchEngine, element);
+    expect(refactoring, isNotNull);
+  }
+
+  void indexTestUnit(String code) {
+    resolveTestUnit(code);
+    index.indexUnit(context, testUnit);
+  }
+
+  void setUp() {
+    super.setUp();
+    index = createLocalMemoryIndex();
+    searchEngine = new SearchEngineImpl(index);
+  }
+}