Add tests for edit.sortMembers and edit.organizeDirectives.

pkg/analysis_server/test/integration/edit/organize_directives_test.dart

+// Copyright (c) 2017, 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:analysis_server/plugin/protocol/protocol.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../integration_tests.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(OrganizeDirectivesTest);
+  });
+}
+
+@reflectiveTest
+class OrganizeDirectivesTest extends AbstractAnalysisServerIntegrationTest {
+  test_organize_directives() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+import 'dart:math';
+import 'dart:async';
+
+Future foo;
+int minified(int x, int y) => min(x, y);
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+
+    EditOrganizeDirectivesResult result = await sendEditOrganizeDirectives(pathname);
+    SourceFileEdit edit = result.edit;
+    expect(edit.edits, hasLength(1));
+    expect(edit.edits.first.replacement, "import 'dart:async';\nimport 'dart:math");
+  }
+
+  test_organize_directives_no_changes() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+import 'dart:async';
+import 'dart:math';
+
+Future foo;
+int minified(int x, int y) => min(x, y);
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+
+    EditOrganizeDirectivesResult result = await sendEditOrganizeDirectives(pathname);
+    SourceFileEdit edit = result.edit;
+    expect(edit.edits, isEmpty);
+  }
+
+  test_organize_directives_with_errors() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+import 'dart:async'
+import 'dart:math';
+
+Future foo;
+int minified(int x, int y) => min(x, y);
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+
+    try {
+      await sendEditOrganizeDirectives(pathname);
+    } on ServerErrorMessage catch (message) {
+      expect(message.error['code'], 'ORGANIZE_DIRECTIVES_ERROR');
+    }
+  }
+
+  @override
+  bool get enableNewAnalysisDriver => true;
+}