how to test a webpart from production environment to test environment in Sharepoint 2010

what i understand from your statement is, you develop a webpart in dev and you want to test it before deploying in production.

here is good blog for testing.

https://www.nothingbutsharepoint.com/sites/devwiki/articles/pages/my-top-10-tests-when-testing-custom-sharepoint-webparts.aspx

http://dbremes.wordpress.com/2010/05/31/automated-testing-of-sharepoint-2010-web-parts-with-visual-studio-2010/

http://jopx.blogspot.com/2009/03/sharepoint-unit-testing.html

http://blogs.msdn.com/b/mcsnoiwb/archive/2008/10/08/unit-testing-sharepoint-code.aspx

---

Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem. ****************************************************************************************** Thanks -WS MCITP(SharePoint 2010, 2013) Blog: http://wscheema.com/blog