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

// Copyright (c) 2018, 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:analysis_server/src/services/linter/lint_names.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(PreferFinalInForEachTest);
    defineReflectiveTests(PreferFinalFieldsTest);
    defineReflectiveTests(PreferFinalFieldsWithNullSafetyTest);
  });
}

@reflectiveTest
class PreferFinalFieldsTest extends FixProcessorLintTest {
  @override
  FixKind get kind => DartFixKind.MAKE_FINAL;

  @override
  String get lintCode => LintNames.prefer_final_fields;

  Future<void> test_field_type() async {
    await resolveTestCode('''
class C {
  int _f = 2;
  int get g => _f;
}
''');
    await assertHasFix('''
class C {
  final int _f = 2;
  int get g => _f;
}
''');
  }

  Future<void> test_field_var() async {
    await resolveTestCode('''
class C {
  var _f = 2;
  int get g => _f;
}
''');
    await assertHasFix('''
class C {
  final _f = 2;
  int get g => _f;
}
''');
  }
}

@reflectiveTest
class PreferFinalFieldsWithNullSafetyTest extends FixProcessorLintTest
    with WithNullSafetyLintMixin {
  @override
  FixKind get kind => DartFixKind.MAKE_FINAL;

  @override
  String get lintCode => LintNames.prefer_final_fields;

  Future<void> test_lateField_type() async {
    await resolveTestCode('''
class C {
  late int _f = 2;
  int get g => _f;
}
''');
    await assertHasFix('''
class C {
  late final int _f = 2;
  int get g => _f;
}
''');
  }

  Future<void> test_lateField_var() async {
    await resolveTestCode('''
class C {
  late var _f = 2;
  int get g => _f;
}
''');
    await assertHasFix('''
class C {
  late final _f = 2;
  int get g => _f;
}
''');
  }
}

@reflectiveTest
class PreferFinalInForEachTest extends FixProcessorLintTest {
  @override
  FixKind get kind => DartFixKind.MAKE_FINAL;

  @override
  String get lintCode => LintNames.prefer_final_in_for_each;

  Future<void> test_noType() async {
    await resolveTestCode('''
void fn() {
  for (var i in [1, 2, 3]) {
    print(i);
  }
}
''');
    await assertHasFix('''
void fn() {
  for (final i in [1, 2, 3]) {
    print(i);
  }
}
''');
  }

  Future<void> test_type() async {
    await resolveTestCode('''
void fn() {
  for (int i in [1, 2, 3]) {
    print(i);
  }
}
''');
    await assertHasFix('''
void fn() {
  for (final int i in [1, 2, 3]) {
    print(i);
  }
}
''');
  }
}