BanMiddleware example

  protected $banMiddleware;

  /** * {@inheritdoc} */
  protected function setUp(): void {
    parent::setUp();

    $this->kernel = $this->createMock('Symfony\Component\HttpKernel\HttpKernelInterface');
    $this->banManager = $this->createMock('Drupal\ban\BanIpManagerInterface');
    $this->banMiddleware = new BanMiddleware($this->kernel, $this->banManager);
  }

  /** * Tests a banned IP. */
  public function testBannedIp() {
    $banned_ip = '17.0.0.2';
    $this->banManager->expects($this->once())
      ->method('isBanned')
      ->with($banned_ip)
      ->willReturn(TRUE);