Fix array arguments being translated.

Fixes #2902

Author: markstory

lib/Cake/Model/Validator/CakeValidationSet.php

@@ -256,21 +256,13 @@ protected function _processValidationResponse($name, $rule) {
 			if (is_array($rule->rule) && $args === null) {
 				$args = array_slice($rule->rule, 1);
 			}
-			if (!empty($args)) {
-				foreach ($args as $k => $arg) {
-					$args[$k] = __d($this->_validationDomain, $arg);
-				}
-			}
+			$args = $this->_translateArgs($args);
 
 			$message = __d($this->_validationDomain, $result, $args);
 		} elseif (is_string($name)) {
 			if (is_array($rule->rule)) {
 				$args = array_slice($rule->rule, 1);
-				if (!empty($args)) {
-					foreach ($args as $k => $arg) {
-						$args[$k] = __d($this->_validationDomain, $arg);
-					}
-				}
+				$args = $this->_translateArgs($args);
 				$message = __d($this->_validationDomain, $name, $args);
 			} else {
 				$message = __d($this->_validationDomain, $name);
@@ -282,6 +274,21 @@ protected function _processValidationResponse($name, $rule) {
 		return $message;
 	}
 
+/**
+ * Applies translations to validator arguments.
+ *
+ * @param array $args The args to translate
+ * @return array Translated args.
+ */
+	protected function _translateArgs($args) {
+		foreach ((array)$args as $k => $arg) {
+			if (is_string($arg)) {
+				$args[$k] = __d($this->_validationDomain, $arg);
+			}
+		}
+		return $args;
+	}
+
 /**
  * Returns wheter an index exists in the rule set
  *
@@ -340,4 +347,4 @@ public function count() {
 		return count($this->_rules);
 	}
 
-}
+}

lib/Cake/Test/Case/Model/Validator/CakeValidationSetTest.php

@@ -56,11 +56,25 @@ public function testValidate() {
 		$result = $Field->validate($data);
 		$this->assertEmpty($result);
 
-		$Field = new CakeValidationSet('nothere', array('notEmpty' => array('rule' => 'notEmpty', 'required' => true)));
+		$Field = new CakeValidationSet('nothere', array(
+			'notEmpty' => array(
+				'rule' => 'notEmpty',
+				'required' => true
+			)
+		));
 
 		$result = $Field->validate($data);
 		$expected = array('notEmpty');
 		$this->assertEquals($expected, $result);
+
+		$Field = new CakeValidationSet('body', array(
+			'inList' => array(
+				'rule' => array('inList', array('test'))
+			)
+		));
+		$result = $Field->validate($data);
+		$expected = array('inList');
+		$this->assertEquals($expected, $result);
 	}
 
 /**
@@ -313,4 +327,4 @@ public function testRemoveRule() {
 		$this->assertFalse(isset($Set['other']));
 	}
 
-}
+}