Move file refactoring implementation.

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/protocol.dart';
+import 'package:analysis_server/src/services/refactoring/refactoring.dart';
+import 'package:analyzer/src/generated/engine.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../reflective_tests.dart';
+import 'abstract_refactoring.dart';
+
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(MoveFileTest);
+}
+
+
+@ReflectiveTestCase()
+class MoveFileTest extends RefactoringTest {
+  MoveFileRefactoring refactoring;
+
+  test_definingUnit() {
+    String pathA = '/project/000/1111/a.dart';
+    String pathB = '/project/000/1111/b.dart';
+    String pathC = '/project/000/1111/22/c.dart';
+    String pathD = '/project/000/1111/333/d.dart';
+    testFile = '/project/000/1111/test.dart';
+    addSource('/absolute/uri.dart', '');
+    addSource(pathA, 'part of lib;');
+    addSource(pathB, "import 'test.dart';");
+    addSource(pathC, '');
+    addSource(pathD, '');
+    addTestSource('''
+library lib;
+import '22/c.dart';
+export '333/d.dart';
+part 'a.dart';
+part '/absolute/uri.dart';
+''');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/1111/22/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertNoFileChange(pathA);
+      assertFileChangeResult(pathB, "import '22/new_name.dart';");
+      assertNoFileChange(pathC);
+      assertFileChangeResult(testFile, '''
+library lib;
+import 'c.dart';
+export '../333/d.dart';
+part '../a.dart';
+part '/absolute/uri.dart';
+''');
+    });
+  }
+
+  test_importedLibrary() {
+    String pathA = '/project/000/1111/a.dart';
+    testFile = '/project/000/1111/sub/folder/test.dart';
+    addSource(pathA, '''
+import 'sub/folder/test.dart';
+''');
+    addTestSource('');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/new/folder/name/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertFileChangeResult(pathA, '''
+import '../new/folder/name/new_name.dart';
+''');
+      assertNoFileChange(testFile);
+    });
+  }
+
+  test_importedLibrary_down() {
+    String pathA = '/project/000/1111/a.dart';
+    testFile = '/project/000/1111/test.dart';
+    addSource(pathA, '''
+import 'test.dart';
+''');
+    addTestSource('');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/1111/22/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertFileChangeResult(pathA, '''
+import '22/new_name.dart';
+''');
+      assertNoFileChange(testFile);
+    });
+  }
+
+  test_importedLibrary_up() {
+    String pathA = '/project/000/1111/a.dart';
+    testFile = '/project/000/1111/22/test.dart';
+    addSource(pathA, '''
+import '22/test.dart';
+''');
+    addTestSource('');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/1111/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertFileChangeResult(pathA, '''
+import 'new_name.dart';
+''');
+      assertNoFileChange(testFile);
+    });
+  }
+
+  test_sourcedUnit() {
+    String pathA = '/project/000/1111/a.dart';
+    testFile = '/project/000/1111/22/test.dart';
+    addSource(pathA, '''
+part '22/test.dart';
+''');
+    addTestSource('');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/1111/22/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertFileChangeResult(pathA, '''
+part '22/new_name.dart';
+''');
+      assertNoFileChange(testFile);
+    });
+  }
+
+  test_sourcedUnit_multipleLibraries() {
+    String pathA = '/project/000/1111/a.dart';
+    String pathB = '/project/000/b.dart';
+    testFile = '/project/000/1111/22/test.dart';
+    addSource(pathA, '''
+part '22/test.dart';
+''');
+    addSource(pathB, '''
+part '1111/22/test.dart';
+''');
+    addTestSource('');
+    _performAnalysis();
+    // perform refactoring
+    _createRefactoring('/project/000/1111/22/new_name.dart');
+    return _assertSuccessfulRefactoring().then((_) {
+      assertFileChangeResult(pathA, '''
+part '22/new_name.dart';
+''');
+      assertFileChangeResult(pathB, '''
+part '1111/22/new_name.dart';
+''');
+      assertNoFileChange(testFile);
+    });
+  }
+
+  /**
+   * Checks that all conditions are OK.
+   */
+  Future _assertSuccessfulRefactoring() {
+    return assertRefactoringConditionsOK().then((_) {
+      return refactoring.createChange().then((SourceChange refactoringChange) {
+        this.refactoringChange = refactoringChange;
+      });
+    });
+  }
+
+  void _createRefactoring(String newName) {
+    refactoring = new MoveFileRefactoring(searchEngine, context, testSource);
+    refactoring.newFile = newName;
+  }
+
+  void _performAnalysis() {
+    while (true) {
+      AnalysisResult result = context.performAnalysisTask();
+      if (!result.hasMoreWork) {
+        break;
+      }
+      for (ChangeNotice notice in result.changeNotices) {
+        if (notice.source.fullName.startsWith('/project/')) {
+          index.indexUnit(context, notice.compilationUnit);
+        }
+      }
+    }
+  }
+}