fixing XmlView, XmlException: Invalid input was raised when _serialize is string and data is numerically indexed.

Author: ceeram

lib/Cake/Test/Case/View/XmlViewTest.php

@@ -43,9 +43,27 @@ public function testRenderWithoutView() {
 		$View = new XmlView($Controller);
 		$output = $View->render(false);
 
-		$expected = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . '<users><user>user1</user><user>user2</user></users>';
-		$this->assertTextEquals($expected, trim($output));
-		$this->assertIdentical('application/xml', $Response->type());
+		$this->assertSame(Xml::build($data)->asXML(), $output);
+		$this->assertSame('application/xml', $Response->type());
+
+		$data = array(
+			array(
+				'User' => array(
+					'username' => 'user1'
+				)
+			),
+			array(
+				'User' => array(
+					'username' => 'user2'
+				)
+			)
+		);
+		$Controller->set(array('users' => $data, '_serialize' => 'users'));
+		$View = new XmlView($Controller);
+		$output = $View->render(false);
+
+		$expected = Xml::build(array('response'=> array('users'=> $data)))->asXML();
+		$this->assertSame($expected, $output);
 	}
 
 /**
@@ -100,9 +118,12 @@ public function testRenderWithView() {
 		$View = new XmlView($Controller);
 		$output = $View->render('index');
 
-		$expected = '<?xml version="1.0" encoding="UTF-8"?><users><user>user1</user><user>user2</user></users>';
-		$this->assertIdentical($expected, str_replace(array("\r", "\n"), '', $output));
-		$this->assertIdentical('application/xml', $Response->type());
+		$expected = array(
+			'users'=> array('user'=> array('user1', 'user2'))
+		);
+		$expected = Xml::build($expected)->asXML();
+		$this->assertSame($expected, $output);
+		$this->assertSame('application/xml', $Response->type());
 		$this->assertInstanceOf('HelperCollection', $View->Helpers);
 	}
 

lib/Cake/View/XmlView.php

@@ -26,7 +26,7 @@
  *
  * `$this->set(array('posts' => $posts, '_serialize' => 'posts'));`
  *
- * When the view is rendered, the `$posts` view variable will be serialized 
+ * When the view is rendered, the `$posts` view variable will be serialized
  * into XML.
  *
  * **Note** The view variable you specify must be compatible with Xml::fromArray().
@@ -38,7 +38,7 @@
  * $this->set(compact('posts', 'users', 'stuff'));
  * $this->set('_serialize', array('posts', 'users'));
  * }}}
- * 
+ *
  * The above would generate a XML object that looks like:
  *
  * `<response><posts>...</posts><users>...</users></response>`
@@ -75,8 +75,8 @@ public function __construct(Controller $controller = null) {
  * Render a XML view.
  *
  * Uses the special '_serialize' parameter to convert a set of
- * view variables into a XML response.  Makes generating simple 
- * XML responses very easy.  You can omit the '_serialize' parameter, 
+ * view variables into a XML response.  Makes generating simple
+ * XML responses very easy.  You can omit the '_serialize' parameter,
  * and use a normal view + layout as well.
  *
  * @param string $view The view being rendered.
@@ -93,6 +93,9 @@ public function render($view = null, $layout = null) {
 				}
 			} else {
 				$data = isset($this->viewVars[$serialize]) ? $this->viewVars[$serialize] : null;
+				if (is_array($data) && Set::numeric(array_keys($data))) {
+					$data = array('response' => array($serialize => $data));
+				}
 			}
 			$content = Xml::fromArray($data)->asXML();
 			$this->Blocks->set('content', $content);