fix(savedObjects-error-msg): update of the tests

Author: chloelbn

src/Exceptions/ArrayOfObjectsExpected.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Algolia\AlgoliaSearch\Exceptions;
+
+final class InvalidArgumentObjectsException extends AlgoliaException
+{
+    public function __construct($message = '', $code = 0, $previous = null)
+    {
+        if (!$message) {
+            $message = 'Please provide an array of objects instead of a single object.';
+        }
+
+        parent::__construct($message, $code, $previous);
+    }
+}

src/Exceptions/InvalidArgumentObjectsException.php

@@ -3,7 +3,7 @@
 namespace Algolia\AlgoliaSearch;
 
 use Algolia\AlgoliaSearch\Config\SearchConfig;
-use Algolia\AlgoliaSearch\Exceptions\ArrayOfObjectsExpected;
+use Algolia\AlgoliaSearch\Exceptions\InvalidArgumentObjectsException;
 use Algolia\AlgoliaSearch\Exceptions\MissingObjectId;
 use Algolia\AlgoliaSearch\Exceptions\NotFoundException;
 use Algolia\AlgoliaSearch\Exceptions\ObjectNotFoundException;
@@ -312,8 +312,8 @@ protected function splitIntoBatches($action, $objects, $requestOptions = array()
         $count = 0;
 
         foreach ($objects as $object) {
-            if (!is_array($object)) {
-                throw new ArrayOfObjectsExpected('Please provide an array of objects instead of a single object.');
+            if (!Helpers::isIterable($object)) {
+                throw new InvalidArgumentObjectsException();
             }
 
             $batch[] = $object;

src/SearchIndex.php

@@ -126,4 +126,16 @@ public static function mapObjectIDs($objectIDKey, $objects)
             return $object;
         }, $objects);
     }
+
+    /**
+     * Checks if a variable can be iterated through.
+     *
+     * @param mixed $object
+     *
+     * @return bool
+     */
+    public static function isIterable($object)
+    {
+        return is_array($object) || is_object($object) || $object instanceof \Traversable;
+    }
 }

src/Support/Helpers.php

@@ -84,7 +84,7 @@ public function testSaveObjectsFails()
         try {
             $this->index->saveObjects($this->companies[0]);
         } catch (\Exception $e) {
-            $this->assertInstanceOf('Algolia\AlgoliaSearch\Exceptions\ArrayOfObjectsExpected', $e);
+            $this->assertInstanceOf('Algolia\AlgoliaSearch\Exceptions\InvalidArgumentObjectsException', $e);
         }
     }
 }