Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/stack/builder/tests/unit/Stack/StackedHttpKernelTest.php

@@ -0,0 +1,155 @@
+<?php
+
+namespace Stack;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\TerminableInterface;
+
+class StackedHttpKernelTest extends \PHPUnit_Framework_TestCase
+{
+    /** @test */
+    public function handleShouldDelegateToApp()
+    {
+        $app = $this->getHttpKernelMock(new Response('ok'));
+        $kernel = new StackedHttpKernel($app, array($app));
+
+        $request = Request::create('/');
+        $response = $kernel->handle($request);
+
+        $this->assertSame('ok', $response->getContent());
+    }
+
+    /** @test */
+    public function handleShouldStillDelegateToAppWithMiddlewares()
+    {
+        $app = $this->getHttpKernelMock(new Response('ok'));
+        $bar = $this->getHttpKernelMock(new Response('bar'));
+        $foo = $this->getHttpKernelMock(new Response('foo'));
+        $kernel = new StackedHttpKernel($app, array($foo, $bar, $app));
+
+        $request = Request::create('/');
+        $response = $kernel->handle($request);
+
+        $this->assertSame('ok', $response->getContent());
+    }
+
+    /** @test */
+    public function terminateShouldDelegateToMiddlewares()
+    {
+        $first  = new TerminableKernelSpy();
+        $second = new TerminableKernelSpy($first);
+        $third  = new KernelSpy($second);
+        $fourth = new TerminableKernelSpy($third);
+        $fifth  = new TerminableKernelSpy($fourth);
+
+        $kernel = new StackedHttpKernel($fifth, $middlewares = array($fifth, $fourth, $third, $second, $first));
+
+        $request = Request::create('/');
+        $response = $kernel->handle($request);
+        $kernel->terminate($request, $response);
+
+        $this->assertTerminablesCalledOnce($middlewares);
+    }
+
+    private function assertTerminablesCalledOnce(array $middlewares)
+    {
+        foreach ($middlewares as $kernel) {
+            if ($kernel instanceof TerminableInterface) {
+                $this->assertEquals(1, $kernel->terminateCallCount(), "Terminate was called {$kernel->terminateCallCount()} times");
+            }
+        }
+    }
+
+    private function getHttpKernelMock(Response $response)
+    {
+        $app = $this->getMock('Symfony\Component\HttpKernel\HttpKernelInterface');
+        $app->expects($this->any())
+            ->method('handle')
+            ->with($this->isInstanceOf('Symfony\Component\HttpFoundation\Request'))
+            ->will($this->returnValue($response));
+
+        return $app;
+    }
+
+    private function getTerminableMock(Response $response = null)
+    {
+        $app = $this->getMock('Stack\TerminableHttpKernel');
+        if ($response) {
+            $app->expects($this->any())
+                ->method('handle')
+                ->with($this->isInstanceOf('Symfony\Component\HttpFoundation\Request'))
+                ->will($this->returnValue($response));
+        }
+        $app->expects($this->once())
+            ->method('terminate')
+            ->with(
+                $this->isInstanceOf('Symfony\Component\HttpFoundation\Request'),
+                $this->isInstanceOf('Symfony\Component\HttpFoundation\Response')
+            );
+
+        return $app;
+    }
+
+    private function getDelegatingTerminableMock(TerminableInterface $next)
+    {
+        $app = $this->getMock('Stack\TerminableHttpKernel');
+        $app->expects($this->once())
+            ->method('terminate')
+            ->with(
+                $this->isInstanceOf('Symfony\Component\HttpFoundation\Request'),
+                $this->isInstanceOf('Symfony\Component\HttpFoundation\Response')
+            )
+            ->will($this->returnCallback(function ($request, $response) use ($next) {
+                $next->terminate($request, $response);
+            }));
+
+        return $app;
+    }
+}
+
+class KernelSpy implements HttpKernelInterface
+{
+    private $handleCallCount = 0;
+
+    public function __construct(HttpKernelInterface $kernel = null)
+    {
+        $this->kernel = $kernel;
+    }
+
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        $this->handleCallCount++;
+
+        if ($this->kernel) {
+            return $this->kernel->handle($request, $type, $catch);
+        }
+
+        return new Response('OK');
+    }
+
+    public function handleCallCount()
+    {
+        return $this->handleCallCount;
+    }
+}
+
+class TerminableKernelSpy extends KernelSpy implements TerminableInterface
+{
+    private $terminateCallCount = 0;
+
+    public function terminate(Request $request, Response $response)
+    {
+        $this->terminateCallCount++;
+
+        if ($this->kernel && $this->kernel instanceof TerminableInterface) {
+            return $this->kernel->terminate($request, $response);
+        }
+    }
+
+    public function terminateCallCount()
+    {
+        return $this->terminateCallCount;
+    }
+}