Use string conversion when processing request fields to handle French strings

Author: mnabialek

composer.json

@@ -4,7 +4,8 @@
   "require": {
     "laravel/framework": "5.*",
     "guzzlehttp/guzzle": "^6.2",
-    "ext-openssl": "*"
+    "ext-openssl": "*",
+    "ext-iconv": "*"
   },
   "autoload": {
     "psr-4": {

composer.lock

@@ -94,7 +94,7 @@ protected function setFields()
 
         array_walk($fields, function (&$item, &$key) {
             list($key, $item) = explode('=', $item);
-            $this->fields[$key] = $item;
+            $this->fields[$key] = iconv('ISO-8859-1', 'UTF-8', $item);
         });
     }
 }

src/Responses/Capture.php

@@ -12,7 +12,9 @@ class CaptureTest extends UnitTestCase
     /** @test */
     public function getFields_it_gets_valid_fields()
     {
-        $responseBody = 'foo=bar&a=b&c=d';
+        $frenchMessage = 'Transaction non trouvé';
+
+        $responseBody = 'foo=bar&a=b&c=d&message=' . iconv('UTF-8', 'ISO-8859-1', $frenchMessage);
 
         $response = m::mock(Capture::class, [$responseBody])->makePartial();
 
@@ -21,6 +23,7 @@ public function getFields_it_gets_valid_fields()
             'foo' => 'bar',
             'a' => 'b',
             'c' => 'd',
+            'message' => $frenchMessage,
         ], $fields);
     }