class NoSessionOpenTest

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);
  }

}