More middleware tests

tests/Traits/Http/MocksMiddlewareClosure.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Tests\Traits\Http;
+
+use Closure;
+use Illuminate\Http\Request;
+use BadFunctionCallException;
+
+trait MocksMiddlewareClosure
+{
+    /**
+     * @var \Illuminate\Http\Request
+     */
+    protected $request;
+
+    /**
+     * Provide a closure to be used when validating that the response from the middleware
+     * is the same request object we passed into it.
+     */
+    protected function getClosureAssertions(): Closure
+    {
+        if (is_null($this->request)) {
+            throw new BadFunctionCallException('Calling getClosureAssertions without defining a request object is not supported.');
+        }
+
+        return function ($response) {
+            $this->assertInstanceOf(Request::class, $response);
+            $this->assertSame($this->request, $response);
+        };
+    }
+}