Have UrlHelper implement RouteResultObserverInterface

Updates UrlHelper to implement RouteResultObserverInterface.

Author: weierophinney

composer.json

@@ -19,7 +19,7 @@
     "require": {
         "php": ">=5.5",
         "container-interop/container-interop": "^1.1",
-        "zendframework/zend-expressive": "^1.0@rc",
+        "zendframework/zend-expressive": "~1.0.0-dev@dev",
         "zendframework/zend-filter": "^2.5",
         "zendframework/zend-i18n": "^2.5",
         "zendframework/zend-servicemanager": "^2.5",

src/UrlHelper.php

@@ -10,9 +10,10 @@
 use Zend\Expressive\Exception;
 use Zend\Expressive\Router\RouterInterface;
 use Zend\Expressive\Router\RouteResult;
+use Zend\Expressive\Router\RouteResultObserverInterface;
 use Zend\View\Helper\AbstractHelper;
 
-class UrlHelper extends AbstractHelper
+class UrlHelper extends AbstractHelper implements RouteResultObserverInterface
 {
     /**
      * @var RouteResult
@@ -62,6 +63,14 @@ public function __invoke($route = null, $params = [])
         return $this->router->generateUri($route, $params);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function update(RouteResult $result)
+    {
+        $this->result = $result;
+    }
+
     /**
      * @param RouteResult $result
      */

test/UrlHelperTest.php

@@ -14,6 +14,7 @@
 use Zend\Expressive\Exception;
 use Zend\Expressive\Router\RouterInterface;
 use Zend\Expressive\Router\RouteResult;
+use Zend\Expressive\Router\RouteResultObserverInterface;
 use Zend\Expressive\ZendView\UrlHelper;
 
 class UrlHelperTest extends TestCase
@@ -134,4 +135,18 @@ public function testProvidedParametersOverrideAnyPresentInARouteResultWhenGenera
 
         $this->assertEquals('URL', $helper('resource', ['id' => 2]));
     }
+
+    public function testIsARouteResultObserver()
+    {
+        $helper = $this->createHelper();
+        $this->assertInstanceOf(RouteResultObserverInterface::class, $helper);
+    }
+
+    public function testUpdateMethodSetsRouteResultProperty()
+    {
+        $result = $this->prophesize(RouteResult::class);
+        $helper = $this->createHelper();
+        $helper->update($result->reveal());
+        $this->assertAttributeSame($result->reveal(), 'result', $helper);
+    }
 }