Sokil\Mongo\DocumentTest::testSetId_AsVarchar PHP Method

    public function testSetId_AsVarchar()
    {
        // save document
        $id = 'im_a_key';
        $doc = $this->collection->createDocument(array('a' => 'a'));
        $doc->setId($id);
        $doc->save();
        // find document
        $this->assertNotEmpty($this->collection->getDocument($id));
        // delete document
        $this->collection->deleteDocument($doc);
    }