Get the proper exception when using findMessage()

library/Exceptions/NestedValidationException.php

@@ -34,6 +34,27 @@ class NestedValidationException extends ValidationException implements IteratorA
         return $this;
     }
 
+    /**
+     * @param string $path
+     * @param ValidationException $exception
+     *
+     * @return ValidationException
+     */
+    private function getExceptionForPath($path, ValidationException $exception)
+    {
+        if ($path === $exception->guessId()) {
+            return $exception;
+        }
+
+        if (!$exception instanceof self) {
+            return $exception;
+        }
+
+        foreach ($exception as $subException) {
+            return $subException;
+        }
+    }
+
     /**
      * @param array $paths
      *
@@ -49,12 +70,19 @@ class NestedValidationException extends ValidationException implements IteratorA
 
             $exception = $this->findRelated($path);
 
-            if (is_object($exception) && !$numericKey) {
+            $path = str_replace('.', '_', $path);
+
+            if (!$exception) {
+                $messages[$path] = '';
+                continue;
+            }
+
+            $exception = $this->getExceptionForPath($path, $exception);
+            if (!$numericKey) {
                 $exception->setTemplate($value);
             }
 
-            $path = str_replace('.', '_', $path);
-            $messages[$path] = $exception ? $exception->getMainMessage() : '';
+            $messages[$path] = $exception->getMainMessage();
         }
 
         return $messages;

library/Exceptions/ValidationException.php

@@ -324,7 +324,7 @@ class ValidationException extends InvalidArgumentException implements ExceptionI
         return static::$defaultTemplates[$this->mode][$templateKey];
     }
 
-    protected function guessId()
+    public function guessId()
     {
         if (!empty($this->id) && $this->id != 'validation') {
             return $this->id;

tests/integration/issue-620.phpt

@@ -17,6 +17,10 @@ try {
         ->assert($object);
 } catch (NestedValidationException $exception) {
     print_r($exception->getMessages());
+    print_r($exception->findMessages([
+        'email' => 'Error: {{name}}',
+        'noWhitespace' => 'Error: {{name}}'
+    ]));
 }
 ?>
 --EXPECTF--
@@ -25,3 +29,8 @@ Array
     [0] => Email Field must be valid email
     [1] => Password Field must not contain whitespace
 )
+Array
+(
+    [email] => Error: Email Field
+    [noWhitespace] => Error: Password Field
+)

tests/integration/issue-719.phpt

@@ -0,0 +1,33 @@
+--FILE--
+<?php
+
+require 'vendor/autoload.php';
+
+use Respect\Validation\Exceptions\NestedValidationException;
+use Respect\Validation\Validator as v;
+
+$input = [
+    'user_name' => 'MyName111',
+    'user_surname' => 'MySurname111',
+    'user_tel' => 'asd123'
+];
+
+$rules = [
+    v::key('user_name',     v::numeric())->setName('First Name'),
+    v::key('user_surname',  v::numeric())->setName('Second Name'),
+    v::key('user_tel',      v::phone())->setName('Phone number'),
+];
+
+try{
+    v::allOf($rules)->setName('Validation Form')->assert($input);
+} catch (NestedValidationException $exception) {
+    print_r($exception->findMessages(array_keys($input)));
+}
+?>
+--EXPECTF--
+Array
+(
+    [user_name] => user_name must be numeric
+    [user_surname] => user_surname must be numeric
+    [user_tel] => user_tel must be a valid telephone number
+)