Concordion.NET is a handy, small framework for C# / .NET that lets you turn a plain English description of a requirement into an automated test.
A Concordion.NET active specification consists of two parts: a well-formed XHTML document describing the functionality, and fixture code written in C# (a special Concordion.NET extension of a standard NUnit test case) that finds concrete examples in the document and uses them to verify the system under test. Both files must be in the same package.
In order for the magic to happen, the document must first be instrumented with commands.
Concordion commands are specified as attributes on elements in the XHTML document. Web browsers ignore attributes that they don't understand, so these commands are effectively invisible.
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