[5.5] Make Route Macroable (#20970)

* Add Macroable Trait to Route

* Add testRouteMacro to RoutingRouteTest

* Update Route.php

Author: ThorbenG

src/Illuminate/Routing/Route.php

@@ -9,6 +9,7 @@
 use Illuminate\Support\Str;
 use Illuminate\Http\Request;
 use Illuminate\Container\Container;
+use Illuminate\Support\Traits\Macroable;
 use Illuminate\Routing\Matching\UriValidator;
 use Illuminate\Routing\Matching\HostValidator;
 use Illuminate\Routing\Matching\MethodValidator;
@@ -18,7 +19,7 @@
 
 class Route
 {
-    use RouteDependencyResolverTrait;
+    use Macroable, RouteDependencyResolverTrait;
 
     /**
      * The URI pattern the route responds to.

tests/Routing/RoutingRouteTest.php

@@ -308,6 +308,25 @@ public function testMacro()
         $this->assertEquals('OK', $router->dispatch(Request::create('webhook', 'GET'))->getContent());
         $this->assertEquals('OK', $router->dispatch(Request::create('webhook', 'POST'))->getContent());
     }
+    
+    public function testRouteMacro()
+    {
+        $router = $this->getRouter();
+        
+        Route::macro('breadcrumb', function ($breadcrumb) {
+            $this->action['breadcrumb'] = $breadcrumb;
+            
+            return $this;
+        });
+        
+        $router->get('foo', function () {
+            return 'bar';
+        })->breadcrumb('fooBreadcrumb')->name('foo');
+        
+        $router->getRoutes()->refreshNameLookups();
+        
+        $this->assertEquals('fooBreadcrumb', $router->getRoutes()->getByName('foo')->getAction()['breadcrumb']);
+    }
 
     public function testClassesCanBeInjectedIntoRoutes()
     {