Throw an exception when age is not an integer

Author: KennedyTedesco

library/Rules/MinimumAge.php

@@ -12,6 +12,7 @@
 namespace Respect\Validation\Rules;
 
 use DateTime;
+use Respect\Validation\Exceptions\ComponentException;
 
 class MinimumAge extends AbstractRule
 {
@@ -20,16 +21,16 @@ class MinimumAge extends AbstractRule
 
     public function __construct($age, $format = null)
     {
+        if (!filter_var($age, FILTER_VALIDATE_INT)) {
+            throw new ComponentException('The age must be a integer value.');
+        }
+
         $this->age = $age;
         $this->format = $format;
     }
 
     public function validate($input)
     {
-        if (!filter_var($this->age, FILTER_VALIDATE_INT)) {
-            return false;
-        }
-
         if ($input instanceof DateTime) {
             $birthday = new \DateTime('now - '.$this->age.' year');
 

tests/unit/Rules/MininumAgeTest.php

@@ -51,6 +51,15 @@ public function testInvalidDateShouldNotPass($age, $format, $input)
         $this->assertFalse($minimumAge->assert($input));
     }
 
+    /**
+     * @expectedException Respect\Validation\Exceptions\ComponentException
+     * @expectedExceptionMessage The age must be a integer value
+     */
+    public function testShouldNotAcceptNonIntegerAgeOnConstructor()
+    {
+        new MinimumAge('L12');
+    }
+
     public function providerForValidDateValidMinimumAge()
     {
         return [