gistfile1.cs

public class FormReaders
{
    const string SlovakConnectors = "MultiConnector.Connectors.Svk.*.dll";

    public static IEnumerable<object[]> Connectors
    {
        get
        {
            var currentDir = Path.GetFullPath(".");
            return from file in Directory.EnumerateFiles(currentDir, SlovakConnectors)
                   orderby file
                   let asm = Assembly.LoadFile(file)
                   from type in asm.GetTypes()
                   where typeof(IConnector).IsAssignableFrom(type)
                      && !type.IsAbstract
                   select new object[] { type, file };
        }
    }

    [Theory]
    [PropertyData("Connectors")]
    public void ConnectorShouldHaveCorrespondingFormReader(Type connector, string file)
    {
        var uiAsm = Assembly.Load(file.Replace(".dll", ".UI.dll"));
        var readers = from type in uiAsm.GetTypes()
                      where typeof(IFormReader).IsAssignableFrom(type)
                         && !type.IsAbstract
                      select type;
        Assert.True(readers.Any(x =>
            x.Name.Replace("FormReader", "") == connector.Name.Replace("Connector", "")),
            String.Format("Connector {0} does not have form reader defined.", connector.Name));
    }
}