KernelTestSharedContainerTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests;

use Drupal\TestTools\Attribute\ShareEnvironment;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
use PHPUnit\Framework\Attributes\TestWith;

/**
 * Tests that the container is shared between kernel test methods.
 */
class KernelTestSharedContainerTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'container_rebuild_test',
  ];
  
  /**
   * Tests the number of container builds for each iteration of a test.
   */
  public function testContainerRebuilds($iteration, $container_rebuilds) : void {
    $this->assertSame($container_rebuilds, $this->container
      ->get('state')
      ->get('container_rebuild_test.count', 0), 'Container rebuilt once, iteration ' . $iteration);
  }

}