Laravelのバリデーションテストを書いてみる

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class HogeRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
          'id' => 'required|numeric',
          'name' => 'required',
          'body' => 'present'
        ];
    }

    /**
     * Set custom messages for validator errors.
     *
     * @return array
     */
    public function messages()
    {
        return [
          'id.required' => ':attributeは必須です',
          'id.numeric' => ':attributeは数字のみです',
          'name.required' => ':attributeは必須です',
          'body.present' => ':attributeは必須です',
        ];
    }

    /**
     * Set custom attributes for validator errors.
     *
     * @return array
     */
    public function attributes()
    {
        return [
          'id' => 'ID',
          'name' => 'タイトル',
          'body' => '本文',
        ];
    }

<?php

namespace Tests\Feature\App\Http\Requests;

use App\Http\Requests\HogeRequest;
use Illuminate\Support\Facades\Validator;
use PHPUnit\Framework\Attributes\DataProvider;
use Tests\TestCase;

class HogeRequestTest extends TestCase
{
    public static function additionProvider(): array
    {
        return [
          'id成功' => [
            'id',
            '1',
            true,
          ],
          'id失敗' => [
            'id',
            '',
            false,
          ],
          'id失敗（数字以外）' => [
            'id',
            'aa',
            false,
          ],
          'name成功' => [
            'name',
            '名前',
            true,
          ],
          'name失敗' => [
            'name',
            '',
            false,
          ],
          'body成功' => [
            'body',
            '説明',
            true,
          ],
        ];
    }

    #[DataProvider('additionProvider')]
    public function test_バリデーションテスト(string $column, mixed $data, bool $expected): void
    {
        // リクエストオブジェクトを作成
        $request = new DocumentUpdateRequest();

        // バリデーションチェック
        $result = Validator::make([$column => $data], [$column => $request->rules()[$column]], $request->messages())->passes();

        // 評価
        $this->assertSame($expected, $result);
    }
}