class StackedHttpKernelTest

class StackedHttpKernelTest extends UnitTestCase {
  
  /**
   * Tests that stacked kernel is constructed with a list of middlewares.
   */
  public function testDeprecatedMiddlewaresArgument() : void {
    $request = new Request();
    $expected = new Response();
    $basicKernel = $this->createMock(HttpKernelInterface::class);
    $basicKernel->expects($this->once())
      ->method('handle')
      ->with($request, HttpKernelInterface::MAIN_REQUEST, TRUE)
      ->willReturn($expected);
    $this->expectDeprecation('Calling Drupal\\Core\\StackMiddleware\\StackedHttpKernel::__construct() with an array of $middlewares is deprecated in drupal:11.3.0 and it will throw an error in drupal:12.0.0. Pass in a lazy iterator instead. See https://www.drupal.org/node/3538740');
    $stack = new StackedHttpKernel($basicKernel, [
      $basicKernel,
    ]);
    $actual = $stack->handle($request);
    $this->assertSame($expected, $actual);
  }
  
  /**
   * Tests that stacked kernel is constructed with a list of closures.
   */
  public function testClosureMiddlewareArgument() : void {
    $request = new Request();
    $expected = new Response();
    $basicKernel = $this->createMock(HttpKernelInterface::class);
    $basicKernel->expects($this->once())
      ->method('handle')
      ->with($request, HttpKernelInterface::MAIN_REQUEST, TRUE)
      ->willReturn($expected);
    $stack = new StackedHttpKernel($basicKernel, new \ArrayIterator([
      $basicKernel,
    ]));
    $actual = $stack->handle($request);
    $this->assertSame($expected, $actual);
  }
  
  /**
   * Tests that stacked kernel invokes the terminate call in all middlewares.
   */
  public function testTerminate() : void {
    $request = new Request();
    $response = new Response();
    $basicKernel = $this->createMockForIntersectionOfInterfaces([
      HttpKernelInterface::class,
      TerminableInterface::class,
    ]);
    $basicKernel->expects($this->once())
      ->method('terminate')
      ->with($request, $response);
    $outer = $this->createMock(HttpKernelInterface::class);
    $middle = $this->createMockForIntersectionOfInterfaces([
      HttpKernelInterface::class,
      TerminableInterface::class,
    ]);
    $middle->expects($this->once())
      ->method('terminate')
      ->with($request, $response);
    $inner = $this->createMock(HttpKernelInterface::class);
    $middlewares = new \ArrayIterator([
      $outer,
      $middle,
      $inner,
      $basicKernel,
    ]);
    $stack = new StackedHttpKernel($outer, $middlewares);
    $stack->terminate($request, $response);
  }

}