added support for arrays with strings

CHANGELOG.md

@@ -5,7 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/) 
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [1.4.0] - 2018-10-26
+
+### Added
+
+- Support for arrays with 2 strings as request handler
 
 ### Fixed
 
@@ -100,7 +104,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 First version
 
-[Unreleased]: https://github.com/middlewares/request-handler/compare/v1.3.0...HEAD
+[1.4.0]: https://github.com/middlewares/request-handler/compare/v1.3.0...v1.4.0
 [1.3.0]: https://github.com/middlewares/request-handler/compare/v1.2.0...v1.3.0
 [1.2.0]: https://github.com/middlewares/request-handler/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/middlewares/request-handler/compare/v1.0.1...v1.1.0

src/RequestHandler.php

@@ -76,6 +76,10 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             $requestHandler = $this->container->get($requestHandler);
         }
 
+        if (is_array($requestHandler) && count($requestHandler) === 2 && is_string($requestHandler[0])) {
+            $requestHandler[0] = $this->container->get($requestHandler[0]);
+        }
+
         if ($requestHandler instanceof MiddlewareInterface) {
             return $requestHandler->process($request, $handler);
         }

tests/Controller.php

@@ -0,0 +1,24 @@
+<?php
+declare(strict_types = 1);
+
+namespace Middlewares\Tests;
+
+use Middlewares\Utils\Factory;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class Controller implements RequestHandlerInterface
+{
+    public function run(): ResponseInterface
+    {
+        $response = Factory::createResponse();
+        $response->getBody()->write('Ok');
+        return $response;
+    }
+
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        return $this->run();
+    }
+}

tests/RequestHandlerTest.php

@@ -4,6 +4,7 @@
 namespace Middlewares\Tests;
 
 use Datetime;
+use Exception;
 use Middlewares\RequestHandler;
 use Middlewares\Utils\Dispatcher;
 use Middlewares\Utils\Factory;
@@ -14,7 +15,6 @@
 use Psr\Container\ContainerInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
-use Exception;
 use RuntimeException;
 
 class RequestHandlerTest extends TestCase
@@ -79,6 +79,21 @@ public function testCustomContainer()
         $this->assertSame(200, $response->getStatusCode());
     }
 
+    public function testArrayHandler()
+    {
+        $request = Factory::createServerRequest('GET', '/');
+        $request = $request->withAttribute('request-handler', ['Middlewares\\Tests\\Controller', 'run']);
+
+        $response = Dispatcher::run(
+            [
+                new RequestHandler(),
+            ],
+            $request
+        );
+
+        $this->assertSame('Ok', (string) $response->getBody());
+    }
+
     public function testRequestHandler()
     {
         $response = Dispatcher::run(
@@ -118,7 +133,7 @@ public function testContinueOnEmptyClosure()
                 (new RequestHandler())->continueOnEmpty(),
                 function () {
                     return 'Fallback';
-                }
+                },
             ]
         );
 
@@ -142,7 +157,7 @@ function ($request, $next) {
 
                 function () {
                     return 'Fallback';
-                }
+                },
             ]
         );
 
@@ -165,7 +180,7 @@ function ($request, $next) {
 
                 function () {
                     return 'Fallback';
-                }
+                },
             ],
             $request = Factory::createServerRequest('GET', '/')
                 ->withAttribute('request-handler', ['--invalid--'])