using System;

using System.IO;

using System.Text;

using Common.Logging;

using Moq;

using ScriptCs.Command;

using ScriptCs.Package;

using Xunit;

namespace ScriptCs.Tests

{

public class ExecuteReplCommandTests

{

public class TheExecuteMethod

{

[Fact]

public void ShouldPromptForInput()

{

var mockFileSystem = new Mock<IFileSystem>();

mockFileSystem.SetupGet(x => x.CurrentDirectory).Returns("C:\\");

var builder = new StringBuilder();

var reader = new StringReader(Environment.NewLine);

var writer = new StringWriter(builder);

var console = new FakeConsole(writer, reader);

var root = new ScriptServiceRoot(

mockFileSystem.Object,

Mock.Of<IPackageAssemblyResolver>(),

Mock.Of<IScriptExecutor>(),

Mock.Of<IScriptEngine>(),

Mock.Of<IFilePreProcessor>(),

Mock.Of<IScriptPackResolver>(),

Mock.Of<IPackageInstaller>(),

Mock.Of<ILog>(),

Mock.Of<IAssemblyName>(),

console);

var commandFactory = new CommandFactory(root);

var target = commandFactory.CreateCommand(new ScriptCsArgs { Repl = true }, new string[0]);

target.Execute();

Assert.True(builder.ToString().EndsWith("> "));

Assert.Equal(1, console.ReadLineCounter);

}

}

public class FakeConsole : IConsole

{

private readonly TextWriter writer;

private readonly TextReader reader;

public FakeConsole(TextWriter textWriter, TextReader textReader)

{

writer = textWriter;

reader = textReader;

ReadLineCounter = 0;

}

public ConsoleColor ForegroundColor { get; set; }

public int ReadLineCounter { get; set; }

public void Write(string value)

{

writer.Write(value);

}

public void WriteLine(string value)

{

writer.WriteLine(value);

}

public string ReadLine()

{

ReadLineCounter++;

return reader.ReadLine();

}

public void Exit()

{

}

public void ResetColor()

{

}

}

}

}