ensured that generated route names are unique (closes #215)

src/Silex/Controller.php

@@ -185,7 +185,7 @@ class Controller
         $this->isFrozen = true;
     }
 
-    public function bindDefaultRouteName($prefix)
+    public function generateRouteName($prefix)
     {
         $requirements = $this->route->getRequirements();
         $method = isset($requirements['_method']) ? $requirements['_method'] : '';
@@ -194,6 +194,6 @@ class Controller
         $routeName = str_replace(array('/', ':', '|', '-'), '_', $routeName);
         $routeName = preg_replace('/[^a-z0-9A-Z_.]+/', '', $routeName);
 
-        $this->routeName = $routeName;
+        return $routeName;
     }
 }

src/Silex/ControllerCollection.php

@@ -120,10 +120,14 @@ class ControllerCollection
         $routes = new RouteCollection();
 
         foreach ($this->controllers as $controller) {
-            if (!$controller->getRouteName()) {
-                $controller->bindDefaultRouteName($prefix);
+            if (!$name = $controller->getRouteName()) {
+                $name = $controller->generateRouteName($prefix);
+                while ($routes->get($name)) {
+                    $name .= '_';
                 }
-            $routes->add($controller->getRouteName(), $controller->getRoute());
+                $controller->bind($name);
+            }
+            $routes->add($name, $controller->getRoute());
             $controller->freeze();
         }
 

tests/Silex/Tests/ControllerCollectionTest.php

@@ -76,10 +76,22 @@ class ControllerCollectionTest extends \PHPUnit_Framework_TestCase
         $controllers->add($mountedRootController);
 
         $mainRootController = new Controller(new Route('/'));
-        $mainRootController->bindDefaultRouteName('main_');
+        $mainRootController->bind($mainRootController->generateRouteName('main_'));
 
         $controllers->flush();
 
         $this->assertNotEquals($mainRootController->getRouteName(), $mountedRootController->getRouteName());
     }
+
+    public function testUniqueGeneratedRouteNames()
+    {
+        $controllers = new ControllerCollection();
+
+        $controllers->add(new Controller(new Route('/a-a')));
+        $controllers->add(new Controller(new Route('/a_a')));
+        $routes = $controllers->flush();
+
+        $this->assertCount(2, $routes->all());
+        $this->assertEquals(array('_a_a', '_a_a_'), array_keys($routes->all()));
+    }
 }

tests/Silex/Tests/ControllerTest.php

@@ -75,7 +75,7 @@ class ControllerTest extends \PHPUnit_Framework_TestCase
     public function testDefaultRouteNameGeneration(Route $route, $expectedRouteName)
     {
         $controller = new Controller($route);
-        $controller->bindDefaultRouteName('');
+        $controller->bind($controller->generateRouteName(''));
 
         $this->assertEquals($expectedRouteName, $controller->getRouteName());
     }