Fix: Array functions fail against BSONArray (#48)

* cast BSONArray to array to prevent is_array from failing

* update composer package name

* cast val and operand if they are instances of BSONArray

* add missing import

* Formatting

Co-authored-by: kevinkl3 <kevin@loyica.com>
Co-authored-by: Martin Helmich <kontakt@martin-helmich.de>

Author: 3 people

src/MockCollection.php

@@ -12,6 +12,7 @@
 use MongoDB\Collection;
 use MongoDB\Driver\Exception\RuntimeException as DriverRuntimeException;
 use MongoDB\Model\BSONDocument;
+use MongoDB\Model\BSONArray;
 use MongoDB\Model\IndexInfoIteratorIterator;
 use MongoDB\Operation\FindOneAndUpdate;
 use PHPUnit\Framework\Constraint\Constraint;
@@ -234,7 +235,6 @@ private function updateCore(&$doc, $update)
                 $doc[$k][] = $v;
             }
         }
-
     }
 
     public function find($filter = [], array $options = []): MockCursor
@@ -377,7 +377,7 @@ public function deleteOne($filter, array $options = [])
         $deletedIds = [];
         foreach ($this->documents as $i => $doc) {
             if ($matcher($doc)) {
-                $deletedIds [] = $doc['_id'];
+                $deletedIds[] = $doc['_id'];
                 unset($this->documents[$i]);
                 $this->documents = array_values($this->documents);
                 $count++;
@@ -613,8 +613,18 @@ private function matcherFromConstraint($constraint): callable
 
         if (is_array($constraint)) {
             return $match = function ($val) use (&$constraint, &$match): bool {
+                //cast $val to array if it is an instance of BSONArray
+                //this will prevent is_array,array_reduce... from failing
+                if ($val instanceof BSONArray) {
+                    $val = (array)$val;
+                }
                 $result = true;
                 foreach ($constraint as $type => $operand) {
+                    //cast $operand to array if it is an instance of BSONArray
+                    //this will prevent is_array,array_reduce... from failing
+                    if ($operand instanceof BSONArray) {
+                        $operand = (array)$operand;
+                    }
                     switch ($type) {
                         // Mongo operators (subset)
                         case '$gt':