mono + NSubstitute + xunit

nsub.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using NSubstitute;

[assembly: InternalsVisibleTo("nsub.test")]

namespace nsub
{
    public static class MyCommon
    {
        public static _Assembly EntryAssembly { get; internal set; }

        static MyCommon()
        {
            MyCommon.EntryAssembly = Assembly.GetExecutingAssembly();
        }

        public static string GetAssemblyName()
        {
            return MyCommon.EntryAssembly.GetName().Name;
        }
    }

    #if EXE
    public static class Progoram
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("AssemblyName:<{0}>", MyCommon.GetAssemblyName());
            Console.WriteLine("mock with NSubstitute");
            var mockAssembly = Substitute.For<_Assembly>();
            mockAssembly.GetName().Returns(new AssemblyName("foobar"));
            MyCommon.EntryAssembly = mockAssembly;
            Console.WriteLine("AssemblyName:<{0}>", MyCommon.GetAssemblyName());
        }
    }
    #endif
}

nsub.test.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using NSubstitute;
using Xunit;
using Xunit.Extensions;

namespace nsub.test
{
    public class MyCommonTest
    {
        [Fact]
        public void GetAssemblyNameTest()
        {
            var mockAssembly = Substitute.For<_Assembly>();
            mockAssembly.GetName().Returns(new AssemblyName("foobar"));
            MyCommon.EntryAssembly = mockAssembly;

            Assert.Equal("foobar", MyCommon.GetAssemblyName());
        }
    }
}

test.sh

#!/bin/sh

if [ ! -e NSubstitute.dll ]; then
    rm -rf N NSubstitute.*
    wget http://nsubstitute.github.io/downloads/NSubstitute.1.8.1.0.zip -O NSubstitute.zip
    mkdir -p N
    unzip -d N NSubstitute.zip
    cp N/lib/net45/NSubstitute.dll .
fi
if [ ! -e xunit.dll ]; then
    rm -rf X xunit*
    wget "http://download-codeplex.sec.s-msft.com/Download/Release?ProjectName=xunit&DownloadId=721411&FileTime=130218470669600000&Build=20959" -O xunit-build-1705.zip
    mkdir -p X
    unzip -d X xunit-build-1705.zip
    cp X/xunit.* .
fi

mcs -target:exe -r:NSubstitute.dll -define:EXE nsub.cs
mcs -target:library -r:NSubstitute.dll nsub.cs
mcs -target:library -r:nsub.dll -r:NSubstitute.dll -r:xunit.dll -r:xunit.extensions.dll nsub.test.cs
echo "direct"
mono nsub.exe
echo "with xunit"
mono xunit.console.clr4.x86.exe nsub.test.dll