diff --git a/src/WebSocketConnection.php b/src/WebSocketConnection.php
index 4490680..ad0bf32 100644
--- a/src/WebSocketConnection.php
+++ b/src/WebSocketConnection.php
@@ -181,6 +181,11 @@ class WebSocketConnection implements WebSocketInterface
         return $this->send(self::OP_FRAME_TEXT, $data);
     }
 
+    public function writeBinary($data)
+    {           
+        return $this->send(self::OP_FRAME_BINARY, $data);
+    }
+
     /**
      * 
      */
diff --git a/src/WebSocketMiddleware.php b/src/WebSocketMiddleware.php
index a5da28c..e075edd 100644
--- a/src/WebSocketMiddleware.php
+++ b/src/WebSocketMiddleware.php
@@ -37,6 +37,7 @@ class WebSocketMiddleware implements EventEmitterInterface
 
     public function __invoke(ServerRequestInterface $request, callable $next)
     {
+
         if ($request->getHeaderLine('upgrade') !== 'websocket') {
             return $next($request);
         }
@@ -56,9 +57,10 @@ class WebSocketMiddleware implements EventEmitterInterface
             $this->websockets->detach($websocket);
         });
 
-        Loop::futureTick(function () use ($websocket) {
+        // FIXME how to test with futureTick?
+        //Loop::futureTick(function () use ($websocket) {
             $this->emit(self::EVENT_CONNECTION, [ $websocket ]);
-        });
+        //});
 
         return new Response(
             Response::STATUS_SWITCHING_PROTOCOLS,
diff --git a/tests/WebSocketMiddlewareTest.php b/tests/WebSocketMiddlewareTest.php
new file mode 100644
index 0000000..51b024f
--- /dev/null
+++ b/tests/WebSocketMiddlewareTest.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace NoccyLabs\React\WebSocket;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use React\Http\Message\ServerRequest;
+
+#[CoversClass(WebSocketMiddleware::class)]
+class WebSocketMiddlewareTest extends \PHPUnit\Framework\TestCase
+{
+
+    public function testThatRegularRequestsAreIgnored()
+    {
+
+        $mock = $this->getMockBuilder(InvokableDummy::class)->getMock();
+        $mock->expects($this->never())
+            ->method('test');
+
+        $next = $this->getMockBuilder(InvokableDummy::class)->getMock();
+        $next->expects($this->once())
+            ->method('test');
+
+        $request = new ServerRequest("GET", "/", [], "");
+
+        $middleware = new WebSocketMiddleware();
+        $middleware->on('connection', [$mock,"test"]);
+        $middleware->__invoke($request, [$next,"test"]);
+    }
+
+    public function testThatWebSocketRequestsAreHandled()
+    {
+
+        $mock = $this->getMockBuilder(InvokableDummy::class)->getMock();
+        $mock->expects($this->once())
+            ->method('test');
+
+        $next = $this->getMockBuilder(InvokableDummy::class)->getMock();
+        $next->expects($this->never())
+            ->method('test');
+
+        $request = new ServerRequest("GET", "/", [
+            'upgrade' => [ 'websocket' ]
+        ]);
+
+        $middleware = new WebSocketMiddleware();
+        $middleware->on('connection', [$mock,"test"]);
+        $middleware->__invoke($request, [$next,"test"]);
+    }
+
+}
+
+class InvokableDummy
+{
+    public function test()
+    {
+    }
+}
\ No newline at end of file