pkg/analysis_server/test/src/services/correction/fix/add_extension_override_test.dart

// Copyright (c) 2022, 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/src/services/correction/fix.dart';
import 'package:analyzer/src/error/codes.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import 'fix_processor.dart';

void main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(AddExtensionOverrideTest);
  });
}

@reflectiveTest
class AddExtensionOverrideTest extends FixProcessorTest {
  @override
  FixKind get kind => DartFixKind.ADD_EXTENSION_OVERRIDE;

  Future<void> test_no_name() async {
    await resolveTestCode('''
extension E on int {
  int get a => 1;
}
extension on int {
  set a(int v) {}
}
f() {
  0.a;
}
''');
    await assertHasFix('''
extension E on int {
  int get a => 1;
}
extension on int {
  set a(int v) {}
}
f() {
  E(0).a;
}
''', expectedNumberOfFixesForKind: 1, errorFilter: (error) {
      return error.errorCode ==
          CompileTimeErrorCode.AMBIGUOUS_EXTENSION_MEMBER_ACCESS;
    });
  }

  Future<void> test_no_parentheses() async {
    await resolveTestCode('''
extension E on int {
  int get a => 1;
}
extension E2 on int {
  set a(int v) {}
}
f() {
  0.a;
}
''');
    await assertHasFix('''
extension E on int {
  int get a => 1;
}
extension E2 on int {
  set a(int v) {}
}
f() {
  E(0).a;
}
''');

    await assertHasFixesWithoutApplying(
        expectedNumberOfFixesForKind: 2,
        matchFixMessages: [
          "Add an extension override for 'E'",
          "Add an extension override for 'E2'",
        ]);
  }

  Future<void> test_parentheses() async {
    await resolveTestCode('''
extension E on int {
  int get a => 1;
}
extension E2 on int {
  set a(int v) {}
}
f() {
  (0).a;
}
''');
    await assertHasFix('''
extension E on int {
  int get a => 1;
}
extension E2 on int {
  set a(int v) {}
}
f() {
  E(0).a;
}
''');

    await assertHasFixesWithoutApplying(
        expectedNumberOfFixesForKind: 2,
        matchFixMessages: [
          "Add an extension override for 'E'",
          "Add an extension override for 'E2'",
        ]);
  }
}