Improved response middleware, added tests

tests/Http/Middleware/ResponseMiddlewareTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace NoccyLabs\Mercureact\Http\Middleware;
+
+use NoccyLabs\Mercureact\Configuration;
+use NoccyLabs\Mercureact\Exception\SecurityException;
+use PHPUnit\Framework\Attributes\CoversClass;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Log\NullLogger;
+use React\Http\Message\Response;
+use React\Http\Message\ServerRequest;
+
+#[CoversClass(ResponseMiddleware::class)]
+#[CoversClass(Configuration::class)]
+class ResponseMiddlewareTest extends \PHPUnit\Framework\TestCase
+{
+
+    public function testResponseIsValid()
+    {
+        $logger = new NullLogger();
+        $config = Configuration::createDefault();
+
+        $request = new ServerRequest("GET", "/", serverParams:['REMOTE_ADDR'=>'127.0.0.1']);
+
+        $return = null; // chained response
+
+        $next = function ($chainedRequest) use ($request, &$return) {
+            $this->assertInstanceOf(ServerRequestInterface::class, $chainedRequest);
+            $return = $chainedRequest;
+            return "response";
+        };
+
+        $middleware = new ResponseMiddleware($config, $logger);
+        $middleware->__invoke($request, $next)->then(function ($result) {
+            $this->assertInstanceOf(Response::class, $result);
+            $this->assertEquals("response", $result->getBody());
+        });
+    }
+
+    public function testSecurityExceptionsAreHandled()
+    {
+        $logger = new NullLogger();
+        $config = Configuration::createDefault();
+
+        $request = new ServerRequest("GET", "/", serverParams:['REMOTE_ADDR'=>'127.0.0.1']);
+
+        $return = null; // chained response
+
+        $next = function ($chainedRequest) use ($request, &$return) {
+            $this->assertInstanceOf(ServerRequestInterface::class, $chainedRequest);
+            $return = $chainedRequest;
+            throw new SecurityException();
+        };
+
+        $middleware = new ResponseMiddleware($config, $logger);
+        $middleware->__invoke($request, $next)->then(function ($result) {
+            $this->assertInstanceOf(Response::class, $result);
+            $this->assertEquals("Access Denied", (string)$result->getBody());
+        });
+    }
+    
+}