Add more middleware tests

tests/Unit/Http/Middleware/AdminAuthenticateTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Tests\Unit\Http\Middleware;
+
+use Pterodactyl\Models\User;
+use Pterodactyl\Http\Middleware\AdminAuthenticate;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+
+class AdminAuthenticateTest extends MiddlewareTestCase
+{
+    /**
+     * Test that an admin is authenticated.
+     */
+    public function testAdminsAreAuthenticated()
+    {
+        $user = factory(User::class)->make(['root_admin' => 1]);
+
+        $this->request->shouldReceive('user')->withNoArgs()->twice()->andReturn($user);
+
+        $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+    }
+
+    /**
+     * Test that a missing user in the request triggers an error.
+     */
+    public function testExceptionIsThrownIfUserDoesNotExist()
+    {
+        $this->request->shouldReceive('user')->withNoArgs()->once()->andReturnNull();
+
+        try {
+            $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        } catch (HttpException $exception) {
+            $this->assertEquals(403, $exception->getStatusCode());
+        }
+    }
+
+    /**
+     * Test that an exception is thrown if the user is not an admin.
+     */
+    public function testExceptionIsThrownIfUserIsNotAnAdmin()
+    {
+        $user = factory(User::class)->make(['root_admin' => 0]);
+
+        $this->request->shouldReceive('user')->withNoArgs()->twice()->andReturn($user);
+
+        try {
+            $this->getMiddleware()->handle($this->request, $this->getClosureAssertions());
+        } catch (HttpException $exception) {
+            $this->assertEquals(403, $exception->getStatusCode());
+        }
+    }
+
+    /**
+     * Return an instance of the middleware using mocked dependencies.
+     *
+     * @return \Pterodactyl\Http\Middleware\AdminAuthenticate
+     */
+    private function getMiddleware(): AdminAuthenticate
+    {
+        return new AdminAuthenticate();
+    }
+}