Merge pull request #119 from usemarkup/master

Add headers as optional argument to CacheInvalidator

Author: ddeboer

src/CacheInvalidator.php

@@ -166,19 +166,20 @@ public function getTagsHeader()
     /**
      * Invalidate a path or URL
      *
-     * @param string $path Path or URL
+     * @param string $path    Path or URL
+     * @param array  $headers HTTP headers (optional)
      *
      * @throws UnsupportedProxyOperationException
      *
      * @return $this
      */
-    public function invalidatePath($path)
+    public function invalidatePath($path, array $headers = array())
     {
         if (!$this->cache instanceof PurgeInterface) {
             throw UnsupportedProxyOperationException::cacheDoesNotImplement('PURGE');
         }
 
-        $this->cache->purge($path);
+        $this->cache->purge($path, $headers);
 
         return $this;
     }

tests/Unit/CacheInvalidatorTest.php

@@ -60,14 +60,16 @@ public function testSupportsInvalid()
     public function testInvalidatePath()
     {
         $purge = \Mockery::mock('\FOS\HttpCache\ProxyClient\Invalidation\PurgeInterface')
-            ->shouldReceive('purge')->once()->with('/my/route')
+            ->shouldReceive('purge')->once()->with('/my/route', array())
+            ->shouldReceive('purge')->once()->with('/my/route', array('X-Test-Header' => 'xyz'))
             ->shouldReceive('flush')->once()
             ->getMock();
 
         $cacheInvalidator = new CacheInvalidator($purge);
 
         $cacheInvalidator
             ->invalidatePath('/my/route')
+            ->invalidatePath('/my/route', array('X-Test-Header' => 'xyz'))
             ->flush()
         ;
     }