http://blogs.msdn.com/rido/archive/2005/05/27/UnitTestPipelineComponents.aspxThe biztalk pipeline framework define some interfaces that allows you to unit test the component without the biztalk infrastructure: Suppose you have a General Pipeline Component, that implements the method: IBaseMessage ExecutePipelineComponent ( IPipelineContextes-ESCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/rido/archive/2005/05/27/UnitTestPipelineComponents.aspx#9428170Tue, 17 Feb 2009 21:34:46 GMT91d46819-8472-40ad-a661-2c78acb4018c:9428170BizTalk Testing and Mocks &laquo; Santosh Benjamin&#8217;s Weblog<p>PingBack from <a rel="nofollow" target="_new" href="http://santoshbenjamin.wordpress.com/2009/02/05/biztalk-testing-and-mocks/">http://santoshbenjamin.wordpress.com/2009/02/05/biztalk-testing-and-mocks/</a></p>