using System.Collections;

using System.Collections.Generic;

using System.Text;

using Moq;

using Ploeh.AutoFixture.Xunit;

using ScriptCs.Command;

using ScriptCs.Contracts;

using Should;

using Xunit.Extensions;

using System;

namespace ScriptCs.Tests

{

public class ExecuteReplCommandTests

{

public class TheExecuteMethod

{

[Theory, ScriptCsAutoData]

public void ShouldPromptForInput(

[Frozen] Mock<IFileSystem> fileSystem,

[Frozen] Mock<IConsole> console,

CommandFactory factory)

{

// Arrange

var readLines = 0;

var builder = new StringBuilder();

var args = new ScriptCsArgs { Repl = true };

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

console.Setup(x => x.ReadLine()).Callback(() => readLines++).Throws(new Exception());

console.Setup(x => x.Write(It.IsAny<string>())).Callback<string>(value => builder.Append(value));

// Act

factory.CreateCommand(args, new string[0]).Execute();

// Assert

builder.ToString().EndsWith("> ").ShouldBeTrue();

readLines.ShouldEqual(1);

}

[Theory, ScriptCsAutoData]

public void WhenPassedAScript_ShouldPressedReplWithScript(

[Frozen] Mock<IScriptEngine> scriptEngine, [Frozen] Mock<IFileSystem> fileSystem, [Frozen] Mock<IConsole> console,

CommandFactory factory)

{

// Arrange

var args = new ScriptCsArgs { Repl = true, ScriptName = "test.csx" };

console.Setup(x => x.ReadLine()).Returns(() =>

{

console.Setup(x => x.ReadLine()).Throws(new Exception());

return string.Empty;

});

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

scriptEngine.Setup(

x => x.Execute("#load test.csx", It.IsAny<string[]>(), It.IsAny<AssemblyReferences>(), It.IsAny<IEnumerable<string>>(), It.IsAny<ScriptPackSession>()));

// Act

factory.CreateCommand(args, new string[0]).Execute();

// Assert

scriptEngine.Verify();

}

[Theory, ScriptCsAutoData]

public void WhenNotPassedAScript_ShouldNotCallTheEngineAutomatically(

[Frozen] Mock<IScriptEngine> scriptEngine, [Frozen] Mock<IFileSystem> fileSystem, [Frozen] Mock<IConsole> console,

CommandFactory factory)

{

// Arrange

var args = new ScriptCsArgs { Repl = true };

console.Setup(x => x.ReadLine()).Returns(() =>

{

console.Setup(x => x.ReadLine()).Throws(new Exception());

return string.Empty;

});

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

// Act

factory.CreateCommand(args, new string[0]).Execute();

// Assert

scriptEngine.Verify(

x => x.Execute(It.IsAny<string>(), It.IsAny<string[]>(), It.IsAny<AssemblyReferences>(), It.IsAny<IEnumerable<string>>(), It.IsAny<ScriptPackSession>()), Times.Never());

}

}

}

}