AbstractTestCase.php

<?php

use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\Artisan;

abstract class AbstractTestCase extends TestCase
{
    use DatabaseTransactions;
    
    /**
     * The setup database status.
     *
     * @var bool
     */
    public static $setupDatabase = true;

    /**
     * Default preparation for each test.
     */
    public function setUp()
    {
        if (!$this->app) {
            $this->refreshApplication();
        }

        if (self::$setupDatabase) {
            $this->setupDatabase();
        }

        $this->setUpTraits();

        foreach ($this->afterApplicationCreatedCallbacks as $callback) {
            call_user_func($callback);
        }

        $this->setUpHasRun = true;
    }

    /**
     * Migrates the database once.
     * This will cause the tests to run quickly.
     *
     * @return void
     */
    public function setupDatabase()
    {
        Artisan::call('migrate:refresh', [
            '--force' => true,
            '--quiet' => true,
        ]);

        self::$setupDatabase = false;
    }
}