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Cogs in the Machine: Testing Code Embedded in an Impenetrable Framework
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| by Roy Osherove Follow 1 Followers on Sep 07, 2010 | NOTICE: The next QCon is in San Francisco April 9-11, 2018. Join us!

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Roy Osherove discusses the difficulties met when trying to test code embedded in a framework (cog), presenting several possible solutions to create unit tests for cogs. He also presents Excavation, a technique used to create a domain specific test framework and some patterns used for cog isolation. The discussion centers around Silverlight code examples.

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Roy Osherove is Chief Architect at Typemock and a consultant for teams on unit testing and TDD. He is one of the original ALT.NET organizers, speaks at events like TechEd and JAOO and is the author of “The Art of Unit Testing”. He writes about TDD, Team Leadership, unit testing and Agile development on his blog at

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