using Moq;

using ScriptCs.Argument;

using ScriptCs.Contracts;

using Should;

using Xunit;

namespace ScriptCs.Tests

{

public class ArgumentHandlerTests

{

public class ParseMethod

{

private static IArgumentHandler Setup(string fileContent, string fileName = "scriptcs.opts", bool fileExists = true)

{

const string currentDirectory = "C:\\test\\folder";

string filePath = currentDirectory + '\\' + fileName;

var fs = new Mock<IFileSystem>();

fs.SetupGet(x => x.CurrentDirectory).Returns(currentDirectory);

fs.Setup(x => x.FileExists(filePath)).Returns(fileExists);

fs.Setup(x => x.ReadFile(filePath)).Returns(fileContent);

var console = new ScriptConsole();

return new ArgumentHandler(new ArgumentParser(console), new ConfigFileParser(console), fs.Object);

}

[Fact]

public void ShouldHandleConfigFileAndCommandLineArguments()

{

const string file = "{\"Install\": \"install test value\" }";

string[] args = { "server.csx", "-log", "error", "--", "-port", "8080" };

var argumentHandler = Setup(file);

var result = argumentHandler.Parse(args);

result.ShouldNotBeNull();

result.Arguments.ShouldEqual(args);

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.CommandArguments.LogLevel.ShouldEqual(LogLevel.Error);

result.CommandArguments.Install.ShouldEqual("install test value");

result.ScriptArguments.ShouldEqual(new string[] { "-port", "8080" });

}

[Fact]

public void ShouldHandleCommandLineArgumentsOverConfigFile()

{

const string file = "{\"Install\": \"config file arg\", \"debug\": \"true\" }";

string[] args = { "server.csx", "-Install", "command line arg", "-cache", "--", "-port", "8080" };

var argumentHandler = Setup(file);

var result = argumentHandler.Parse(args);

result.ShouldNotBeNull();

result.Arguments.ShouldEqual(args);

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.CommandArguments.Install.ShouldEqual("command line arg");

result.CommandArguments.Cache.ShouldEqual(true);

result.ScriptArguments.ShouldEqual(new string[] { "-port", "8080" });

}

[Fact]

public void ShouldHandleCommandLineArgumentsOverConfigFileWithPropertyName()

{

const string file = "{\"LogLevel\": \"info\", }";

string[] args = { "server.csx", "-log", "error", "--", "-port", "8080" };

var argumentHandler = Setup(file);

var result = argumentHandler.Parse(args);

result.ShouldNotBeNull();

result.Arguments.ShouldEqual(args);

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.CommandArguments.LogLevel.ShouldEqual(LogLevel.Error);

result.ScriptArguments.ShouldEqual(new string[] { "-port", "8080" });

}

[Fact]

public void ShouldHandleInvalidCommandLineArguments()

{

string[] args = { "-version", "-foo", "-bar" };

var argumentHandler = Setup(null, "test.txt", false);

var result = argumentHandler.Parse(args);

result.CommandArguments.ShouldBeNull();

result.Arguments.Length.ShouldEqual<int>(3);

}

[Fact]

public void ShouldHandleOnlyCommandLineArguments()

{

string[] args = { "server.csx", "--", "-port", "8080" };

var argumentHandler = Setup(null, "test.txt", false);

var result = argumentHandler.Parse(args);

result.ShouldNotBeNull();

result.Arguments.ShouldEqual(args);

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.ScriptArguments.ShouldEqual(new string[] { "-port", "8080" });

}

[Fact]

public void ShouldHandleOnlyConfigFile()

{

const string file = "{\"log\": \"error\", \"script\": \"server.csx\" }";

var argumentHandler = Setup(file);

var result = argumentHandler.Parse(new string[0]);

result.ShouldNotBeNull();

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.CommandArguments.LogLevel.ShouldEqual(LogLevel.Error);

result.ScriptArguments.ShouldEqual(new string[0]);

}

[Fact]

public void ShouldHandleCustomConfigFile()

{

const string fileName = "text.txt";

const string file = "{\"Install\": \"install test value\" }";

string[] args = { "server.csx", "-log", "error", "-config", fileName, "--", "-port", "8080" };

var argumentHandler = Setup(file, fileName);

var result = argumentHandler.Parse(args);

result.ShouldNotBeNull();

result.Arguments.ShouldEqual(args);

result.CommandArguments.ScriptName.ShouldEqual("server.csx");

result.CommandArguments.LogLevel.ShouldEqual(LogLevel.Error);

result.ScriptArguments.ShouldEqual(new string[] { "-port", "8080" });

result.CommandArguments.Install.ShouldEqual("install test value");

}

}

}

}