Sokil\Mongo\DocumentEventTest::testBeforeUpdate PHP Method

    public function testBeforeUpdate()
    {
        $status = new \stdclass();
        $status->done = false;
        $document = $this->collection->createDocument(array('p' => 'v'));
        $document->onBeforeUpdate(function () use($status) {
            $status->done = true;
        });
        // insert
        $document->save();
        // update
        $document->set('p', 'updated')->save();
        $this->assertTrue($status->done);
    }