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Editorial Team
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Asked: 2026-06-14T02:58:25+00:00

In VS2010 my MSTest test run just fine. When running in VS2012 I am

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In VS2010 my MSTest test run just fine.

When running in VS2012 I am getting an error. The test sets the Csla.ApplicationContext.User with a Custom Business Principal. When the EntityFramework is asked to provide a new ObjectContext I receive a SerializationException saying that my Custom Business Principal type cannot be found.

All the tests that use the EntityFramework fail when running through VS2012’s test runner or Resharper7’s test runner. I have tried NCrunch’s test runner and they all pass.

How can I resolve this issue?

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1 Answer

  1. Editorial Team

    I found my real issue. VS2012 runs the tests in a separate AppDomain and our data access layer loads via Reflection. Still not sure why EF requires knowledge of the principal but our solution was to reset our principal to a GenericPrincipal prior to accessing EF then placing back the original. I am still wrestling with the thought that maybe an IoC container would alleviate this issue

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