Added writeBinary, tests for middleware

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()
+    {
+    }
+}