sample_Test.php

class sample_Test extends TestCase
{
    use RefreshDatabase;
    use WithFaker;

    protected function setUp(): void
    {
        parent::setUp();
        Category::factory(5)->create();
    }

    public function Sample_DataProvider()
    {
        return [
            '1' => ['param' => 0],
            '2' => ['param' => 1],
            '3' => ['param' => 2],
        ];
    }

    /**
     * サンプルテスト
     * @test
     * @dataProvider Sample_DataProvider
     */
    public function test_Sample(int $param): void
    {
        foreach(Category::all() as $i)
        {
            printf("ID: {$i->id}\n");
        }

        $this->assertTrue(true);
    }
}