improved Validation with more tests

Author: Raaghu

composer.lock

@@ -87,6 +87,16 @@ function required(){
 	    return $this;
 	}
 
+	function ifPresent(){
+	    if($this->continue){
+	        if(!isset($this->data)){
+	            $this->continue = false;
+	            unset($this->parentValidation->data[$this->key]);
+	        }
+	    }
+	    return $this;
+	}
+	
 	function defaultValue($value){
 	    if($this->continue){
 	        if(!isset($this->data)){
@@ -128,6 +138,7 @@ function inRange($min = null,$max = null){
 	            $this->continue = false;
 	        }
 	    }
+	    return $this;
 	}
 
 	function isTimestamp(){

src/RESTFul/Validation.php

@@ -229,7 +229,27 @@ function($validation){
                 },
                 ['a'=>'invalid']
             ],
-                
+            'ifPresent if present and valid'=>[
+                ['a'=>'Raghavendragmail.com','b'=>true,'c'=>'z'],
+                function($validation){
+                    $validation->key('a')->ifPresent()->isString()->hasLength(1,100);
+                },
+                []
+            ],
+            'ifPresent if present and invalid'=>[
+                ['a'=>'Raghavendragmail.com','b'=>true,'c'=>'z'],
+                function($validation){
+                    $validation->key('a')->ifPresent()->isString()->hasLength(1,10);
+                },
+                ['a'=>'invalid']
+            ],
+            'ifPresent if not present'=>[
+                ['b'=>true,'c'=>'z'],
+                function($validation){
+                    $validation->key('a')->ifPresent()->isString()->hasLength(1,100);
+                },
+                []
+            ],
         ];
     }