How to mole System.dll

Problem: I get “no suitable method found to override” errors when I mole system.dll. Solution: Modify the System.moles file in your project and exclude everything except the types you are trying to mole. Explanation: I was trying to mole the SerialPort class in System.IO.Ports. Afte... [More]

What to do when my CUIT thows a PlaybackFailureException

Updated (Oct 11, 2011) Problem: I have a textbox that has a maximum length of five characters. I want to record a Data Driven CUIT to test that you cannot type in more than five characters.  However, when I attempt to set the textbox to a six character value the CUIT throws a PlaybackFailureE... [More]

Build workspace folder already mapped.

Problem: My Team Build keeps failing with an error that my source folder is already mapped in another workspace. The path C:\Builds\1\Demo\Reports\Sources is already mapped in workspace 7_1_WIN-GS9GMUJITS8. Solution: Use the tf.exe tool to delete the workspace holding on to that location. Explan... [More]

How to enable code coverage in my Team Build

Problem: I am not getting code coverage results in my build. Solution: Ensure you have a test settings file selected in your build definition. Explanation: On the process tab of your build definition expand the Automated Testing section under Basic and make sure the TestSettings File is pointin... [More]

CUIT Demo of Feature Pack 2 Coded UI Test Editor

Problem: I have a Coded UI Test that is failing on Playback. Solution: Use the Coded UI Test Editor in Feature Pack 2 to adjust the UI Map and add actions to your test. Explanation: I felt a write up would be too hard to follow so I recorded a video instead which you can watch below. In this ... [More]

How to create a custom Value Provider for MVC

Problem: I need to test an MVC Controller Action that needs the Identity of the current user without mocking the HTTPContext. Solution: Create a custom Value Provider that allows access to the current user via an Action Parameter. Explanation: One of the goals of the MVC pattern is making the a... [More]

Why is my MS Project run so slow when connected to TFS.

Problem: With MS Project connected to TFS Project takes forever to refresh. Solution: One possible solution is to change the calculation mode from automatic to manual.  To change the calculation mode select Tools / Options / Calculation / Calculation Mode and change from automatic to manual.

Having trouble testing my WPF app with Coded UI Test

Problem: I cannot find my WPF TextBlock using the Coded UI test because the value is data bound and changes. Solution: Set the Name attribute on the controls of your View which sets the AutomationId. Explanation: Many WPF developers only place the Name attribute on items they intend to access f... [More]