Fixing issue where a false id would be appended to the route url. Tes…

…t added. Fixes #1501

cake/libs/view/helpers/form.php

@@ -260,7 +260,7 @@ function create($model = null, $options = array()) {
 				$options['id'] = $this->domId($options['action'] . 'Form');
 			}
 			$options['action'] = array_merge($actionDefaults, (array)$options['url']);
-			if (empty($options['action'][0])) {
+			if (empty($options['action'][0]) && !empty($id)) {
 				$options['action'][0] = $id;
 			}
 		} elseif (is_string($options['url'])) {

cake/tests/cases/libs/view/helpers/form.test.php

@@ -661,8 +661,6 @@ class FormHelperTest extends CakeTestCase {
  */
 	function setUp() {
 		parent::setUp();
-		Router::reload();
-
 
 		$this->Controller = new ContactTestController();
 		$this->View = new View($this->Controller);
@@ -703,7 +701,7 @@ function setUp() {
  * @return void
  */
 	function tearDown() {
-		ClassRegistry::flush();
+		parent::tearDown();
 		unset($this->Form->Html, $this->Form, $this->Controller, $this->View);
 		Configure::write('Security.salt', $this->oldSalt);
 	}
@@ -5640,6 +5638,28 @@ function testCreate() {
 		$this->assertTags($result, $expected);
 	}
 
+/**
+ * test create() with a custom route
+ *
+ * @return void
+ */
+	function testCreateCustomRoute() {
+		Router::connect('/login', array('controller' => 'users', 'action' => 'login'));
+		$encoding = strtolower(Configure::read('App.encoding'));
+
+		$result = $this->Form->create('User', array('action' => 'login'));
+		$expected = array(
+			'form' => array(
+				'id' => 'UserLoginForm', 'method' => 'post', 'action' => '/login',
+				'accept-charset' => $encoding
+			),
+			'div' => array('style' => 'display:none;'),
+			'input' => array('type' => 'hidden', 'name' => '_method', 'value' => 'POST'),
+			'/div'
+		);
+		$this->assertTags($result, $expected);
+	}
+
 /**
  * test that inputDefaults are stored and used.
  *