Flutterでポケモンバトルを実装する(Step5: Entitiyのテストを実施する)

はじめに

前回までの記事の続きです。Entitiyのコードを作成したので、テストコードを書いていきます。
Unitテスト等の細かい単位でテストを実施していくことで、品質だけでなく生産性も向上していきます。

ソースコード

ディレクトリ

├── test
│   └── domain
│       └── entities
│           ├── move_test.dart
│           ├── pokemon_test.dart
│           └── stats_test.dart

test/domain/entities/move_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:pokemon_battle_app/domain/entities/move.dart';

void main() {
  group('Move', () {
    test('should create a Move with correct properties', () {
      final move = Move(name: 'Thunderbolt', power: 90);

      expect(move.name, 'Thunderbolt');
      expect(move.power, 90);
    });
  });
}

test/domain/entities/pokemon_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:pokemon_battle_app/domain/entities/move.dart';
import 'package:pokemon_battle_app/domain/entities/pokemon.dart';
import 'package:pokemon_battle_app/domain/entities/stats.dart';
import 'package:pokemon_battle_app/domain/enums/pokemon_type.dart';

void main() {
  group('Pokemon', () {
    test('should create a Pokemon with correct properties', () {
      final move1 = Move(name: 'Thunderbolt', power: 90);
      final move2 = Move(name: 'Quick Attack', power: 40);
      final moves = [move1, move2];
      final stats = Stats(hp: 35, attack: 55, defense: 40, speed: 90);
      final pokemon = Pokemon(
        name: 'Pikachu',
        imageUrl:
            'https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/25.png',
        moves: moves,
        stats: stats,
        type: PokemonType.electric,
      );

      expect(pokemon.name, 'Pikachu');
      expect(pokemon.imageUrl,
          'https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/25.png');
      expect(pokemon.moves, moves);
      expect(pokemon.stats.hp, 35);
      expect(pokemon.stats.attack, 55);
      expect(pokemon.stats.defense, 40);
      expect(pokemon.stats.speed, 90);
      expect(pokemon.type, PokemonType.electric);
    });
  });
}

test/domain/entities/stats_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:pokemon_battle_app/domain/entities/stats.dart';

void main() {
  group('Stats', () {
    test('should create Stats with correct properties', () {
      final stats = Stats(hp: 35, attack: 55, defense: 40, speed: 90);

      expect(stats.hp, 35);
      expect(stats.attack, 55);
      expect(stats.defense, 40);
      expect(stats.speed, 90);
    });
  });
}

インスタンスを作成し、期待値と比較するだけです。

実行結果

~/develop/pokemon_battle_app (main)$ flutter test
00:02 +3: All tests passed!