KernelTestBaseShutdownTest.php

<?php

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


/**
 * @coversDefaultClass \Drupal\KernelTests\KernelTestBase
 *
 * @group PHPUnit
 * @group Test
 * @group KernelTests
 */
class KernelTestBaseShutdownTest extends KernelTestBase {
    
    /**
     * Indicates which shutdown functions are expected to be called.
     *
     * @var array
     */
    protected $expectedShutdownCalled;
    
    /**
     * Indicates which shutdown functions have been called.
     *
     * @var array
     */
    protected static $shutdownCalled;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        // Initialize static variable prior to testing.
        self::$shutdownCalled = [];
        parent::setUp();
    }
    
    /**
     * @covers ::assertPostConditions
     */
    public function testShutdownFunction() : void {
        $this->expectedShutdownCalled = [
            'shutdownFunction',
            'shutdownFunction2',
        ];
        drupal_register_shutdown_function([
            $this,
            'shutdownFunction',
        ]);
    }
    
    /**
     * @covers ::assertPostConditions
     */
    public function testNoShutdownFunction() : void {
        $this->expectedShutdownCalled = [];
    }
    
    /**
     * Registers that this shutdown function has been called.
     */
    public function shutdownFunction() {
        self::$shutdownCalled[] = 'shutdownFunction';
        drupal_register_shutdown_function([
            $this,
            'shutdownFunction2',
        ]);
    }
    
    /**
     * Registers that this shutdown function has been called.
     */
    public function shutdownFunction2() {
        self::$shutdownCalled[] = 'shutdownFunction2';
    }
    
    /**
     * {@inheritdoc}
     */
    protected function assertPostConditions() : void {
        parent::assertPostConditions();
        $this->assertSame($this->expectedShutdownCalled, self::$shutdownCalled);
    }

}