NoSessionOpenTest.php

<?php

namespace Drupal\Tests\Core\PageCache;

use Drupal\Core\PageCache\RequestPolicy\NoSessionOpen;
use Drupal\Core\PageCache\RequestPolicyInterface;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\HttpFoundation\Request;

/**
 * @coversDefaultClass \Drupal\Core\PageCache\RequestPolicy\NoSessionOpen
 * @group PageCache
 */
class NoSessionOpenTest extends UnitTestCase {
    
    /**
     * The session configuration.
     *
     * @var \Drupal\Core\Session\SessionConfigurationInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $sessionConfiguration;
    
    /**
     * The request policy under test.
     *
     * @var \Drupal\Core\PageCache\RequestPolicy\NoSessionOpen
     */
    protected $policy;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $this->sessionConfiguration = $this->createMock('Drupal\\Core\\Session\\SessionConfigurationInterface');
        $this->policy = new NoSessionOpen($this->sessionConfiguration);
    }
    
    /**
     * Asserts that caching is allowed unless there is a session cookie present.
     *
     * @covers ::check
     */
    public function testNoAllowUnlessSessionCookiePresent() {
        $request_without_session = new Request();
        $request_with_session = Request::create('/', 'GET', [], [
            'some-session-name' => 'some-session-id',
        ]);
        $this->sessionConfiguration
            ->expects($this->exactly(2))
            ->method('hasSession')
            ->willReturnMap([
            [
                $request_without_session,
                FALSE,
            ],
            [
                $request_with_session,
                TRUE,
            ],
        ]);
        $result = $this->policy
            ->check($request_without_session);
        $this->assertSame(RequestPolicyInterface::ALLOW, $result);
        $result = $this->policy
            ->check($request_with_session);
        $this->assertSame(NULL, $result);
    }

}