using System;

​

public class Program

{

    public static void Main()

    {

        var class1 = new MyClassThatNeedsToBeTested();

        Console.WriteLine(class1.DoMyLogicStuff());

    }

}

​

public class TheUnInjectable //This would be like file info.. Or the WCF proxies that we used for Polaris.

{

    public string DoMyStuff()

    {

        return "The Un Injectable Stuff";

    }

}

​

public interface IDoUnInjectableStuff

{

    string DoMyStuff();

}

​

public class ForceInjectableFacade : IDoUnInjectableStuff

{

    private readonly TheUnInjectable _theUnInjectable;

    public ForceInjectableFacade(TheUnInjectable theUnInjectable)

    {

        this._theUnInjectable = theUnInjectable;

    }

​

    public string DoMyStuff()

    {

        return this._theUnInjectable.DoMyStuff();

    }

}

​

public class MyClassThatNeedsToBeTested

{

    private readonly IDoUnInjectableStuff _injectableStuff;

    public MyClassThatNeedsToBeTested(IDoUnInjectableStuff injectableStuff = null)

    {

        this._injectableStuff = _injectableStuff ?? new ForceInjectableFacade(theUnInjectable: new TheUnInjectable());

    }

​

    public string DoMyLogicStuff()

    {

        var result = string.Empty;

        result += "Super Logic happening.";

        result += this._injectableStuff.DoMyStuff();

        result += "Super Logic Ending";

        return result;

    }

}

​