We often need to write unit tests for code that accesses an external resource such as a database or a file file system. If such resources are not available, the only way to ensure that the tests can ...

When you're testing an ASP.NET MVC controller (or, really, any class at all) you want to make sure the code that fails is the code you're testing. Moq provides a simple way to isolate the code you're ...

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Sometimes what you want to test is how your Action method behaves when it's invoked through an AJAX call. Here's how to mock up that call using Moq. In an earlier column on using Moq to create unit ...