1 files changed, 89 insertions, 0 deletions
diff --git a/tests/Unit/Middleware/RequestHandlerTest.php b/tests/Unit/Middleware/RequestHandlerTest.php
new file mode 100644
index 00000000..896b55c3
--- /dev/null
+++ b/tests/Unit/Middleware/RequestHandlerTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Middleware;
+
+use Engelsystem\Application;
+use Engelsystem\Middleware\RequestHandler;
+use InvalidArgumentException;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use ReflectionClass as Reflection;
+
+class RequestHandlerTest extends TestCase
+{
+    /**
+     * @covers \Engelsystem\Middleware\RequestHandler::__construct
+     */
+    public function testInit()
+    {
+        /** @var Application|MockObject $container */
+        $container = $this->createMock(Application::class);
+
+        $handler = new RequestHandler($container);
+
+        $reflection = new Reflection(get_class($handler));
+        $property = $reflection->getProperty('container');
+        $property->setAccessible(true);
+
+        $this->assertEquals($container, $property->getValue($handler));
+    }
+
+    /**
+     * @covers \Engelsystem\Middleware\RequestHandler::process
+     */
+    public function testProcess()
+    {
+        /** @var Application|MockObject $container */
+        $container = $this->createMock(Application::class);
+        /** @var ServerRequestInterface|MockObject $request */
+        $request = $this->getMockForAbstractClass(ServerRequestInterface::class);
+        /** @var RequestHandlerInterface|MockObject $handler */
+        $handler = $this->getMockForAbstractClass(RequestHandlerInterface::class);
+        /** @var ResponseInterface|MockObject $response */
+        $response = $this->getMockForAbstractClass(ResponseInterface::class);
+
+        $middlewareInterface = $this->getMockForAbstractClass(MiddlewareInterface::class);
+        $requestHandlerInterface = $this->getMockForAbstractClass(RequestHandlerInterface::class);
+
+        $request->expects($this->exactly(3))
+            ->method('getAttribute')
+            ->with('route-request-handler')
+            ->willReturn('FooBarClass');
+
+        /** @var RequestHandler|MockObject $middleware */
+        $middleware = $this->getMockBuilder(RequestHandler::class)
+            ->setConstructorArgs([$container])
+            ->setMethods(['resolveMiddleware'])
+            ->getMock();
+        $middleware->expects($this->exactly(3))
+            ->method('resolveMiddleware')
+            ->with('FooBarClass')
+            ->willReturnOnConsecutiveCalls(
+                $middlewareInterface,
+                $requestHandlerInterface,
+                null
+            );
+
+        $middlewareInterface->expects($this->once())
+            ->method('process')
+            ->with($request, $handler)
+            ->willReturn($response);
+        $requestHandlerInterface->expects($this->once())
+            ->method('handle')
+            ->with($request)
+            ->willReturn($response);
+
+        $return = $middleware->process($request, $handler);
+        $this->assertEquals($return, $response);
+
+        $middleware->process($request, $handler);
+        $this->assertEquals($return, $response);
+
+        $this->expectException(InvalidArgumentException::class);
+        $middleware->process($request, $handler);
+    }
+}