class BanMiddlewareTest

class BanMiddlewareTest extends UnitTestCase {
    
    /**
     * The mocked wrapped kernel.
     *
     * @var \Symfony\Component\HttpKernel\HttpKernelInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $kernel;
    
    /**
     * The mocked ban IP manager.
     *
     * @var \Drupal\ban\BanIpManagerInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $banManager;
    
    /**
     * The tested ban middleware.
     *
     * @var \Drupal\ban\BanMiddleware
     */
    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);
        $this->kernel
            ->expects($this->never())
            ->method('handle');
        $request = Request::create('/test-path');
        $request->server
            ->set('REMOTE_ADDR', $banned_ip);
        $response = $this->banMiddleware
            ->handle($request);
        $this->assertEquals(403, $response->getStatusCode());
    }
    
    /**
     * Tests an unbanned IP.
     */
    public function testUnbannedIp() {
        $unbanned_ip = '18.0.0.2';
        $this->banManager
            ->expects($this->once())
            ->method('isBanned')
            ->with($unbanned_ip)
            ->willReturn(FALSE);
        $request = Request::create('/test-path');
        $request->server
            ->set('REMOTE_ADDR', $unbanned_ip);
        $expected_response = new Response(200);
        $this->kernel
            ->expects($this->once())
            ->method('handle')
            ->with($request, HttpKernelInterface::MASTER_REQUEST, TRUE)
            ->willReturn($expected_response);
        $response = $this->banMiddleware
            ->handle($request);
        $this->assertSame($expected_response, $response);
    }

}