Running MSTest Coded UI tests outside of Visual Studio 2010 with NUnit

by Klaus Graefensteiner 1. July 2011 06:11

It is possible. Here is how

Development

Develop your NUnit tests with Visual Studio 2010 and the MSTest Coded UI Test facilities.

Automated Test

On the test or build machine you need to install the VisualStudio 2010 Test Agent and manually add the following assembly to the global assembly cache. Otherwise you will run into the following error when automating against Internet Explorer:

System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.VisualStudio.OLE.Interop,
Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.
The system cannot find the file specified.

The fix

The VisualStudio Test Agent installs the Microsoft.VisualStudio.OLE.Interop dll, but doesn’t add it to the GAC (Global Assembly Cache). Visual Studio on the other side does.

MissingAssemblyLocation

Use the GACUtil.exe utility, which can be found on the Visual Studio machine or the Windows SDK. Run this utility with the /i switch and make it point to the assembly.

gacutil /i C:\Program Files (x86)\Common Files\microsoft shared\VSTT\10.0\Microsoft.VisualStudio.OLE.Interop.dll

Ausblick

That’s it. Happy testing!

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Automation | Visual Studio | Tips & Tricks | Troubleshooting | How To

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Klaus Graefensteiner

Klaus Graefensteiner
works as Developer In Test and is founder of the PowerShell Unit Testing Framework PSUnit. More...

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