Carew\Document::addMetadatas PHP Method

    public function addMetadatas(array $metadatas)
    {
        $this->metadatas = array_replace_recursive($this->metadatas, $metadatas);
        return $this;
    }

 public function testAddMetadatas()
 {
     $document = new Document();
     $document->addMetadatas(array('foo' => 'bar'));
     $this->assertSame(array('foo' => 'bar'), $document->getMetadatas());
     $document->addMetadatas(array('foo2' => 'bar2'));
     $this->assertSame(array('foo' => 'bar', 'foo2' => 'bar2'), $document->getMetadatas());
 }