// ****************************************************************

// Copyright 2007, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org

// ****************************************************************

using System;

using System.IO;

using System.Collections;

using System.Collections.Specialized;



namespace NUnit.Core

{

    /// <summary>

    /// Represents the manner in which test assemblies are

    /// distributed across processes.

    /// </summary>

    public enum ProcessModel

    {

        /// <summary>

        /// Use the default setting, depending on the runner

        /// and the nature of the tests to be loaded.

        /// </summary>

        Default,

        /// <summary>

        /// Run tests directly in the NUnit process

        /// </summary>

        Single,

        /// <summary>

        /// Run tests in a single separate process

        /// </summary>

        Separate,

        /// <summary>

        /// Run tests in a separate process per assembly

        /// </summary>

        Multiple

    }



    /// <summary>

    /// Represents the manner in which test assemblies use

    /// AppDomains to provide isolation

    /// </summary>

    public enum DomainUsage

    {

        /// <summary>

        /// Use the default setting, depending on the runner

        /// and the nature of the tests to be loaded.

        /// </summary>

        Default,

        /// <summary>

        /// Don't create a test domain - run in the primary AppDomain

        /// </summary>

        None,

        /// <summary>

        /// Run tests in a single separate test domain

        /// </summary>

        Single,

        /// <summary>

        /// Run tests in a separate domain per assembly

        /// </summary>

        Multiple

    }



    /// <summary>

	/// TestPackage holds information about a set of tests to

	/// be loaded by a TestRunner. It may represent a single

	/// assembly or a set of assemblies. It supports selection

	/// of a single test fixture for loading.

	/// </summary>

	[Serializable]

	public class TestPackage

	{

		private string name;

		private string fullName;



		private ListDictionary settings = new ListDictionary();



		private string basePath;

		private string configFile;

		private string binPath;

		private bool autoBinPath;



		private ArrayList assemblies;

		private string testName;

		private bool isSingleAssembly;





		/// <summary>

		/// Construct a package, specifying the name of the package.

		/// If the package name is an assembly file type (dll or exe)

		/// then the resulting package represents a single assembly.

		/// Otherwise it is a container for multiple assemblies.

		/// </summary>

		/// <param name="name">The name of the package</param>

		public TestPackage( string name )

		{          

            this.fullName = name;

			this.name = Path.GetFileName( name );

			this.assemblies = new ArrayList();

			if ( IsAssemblyFileType( name ) )

			{

                if (!Path.IsPathRooted(name))

                    throw new ArgumentException("Assembly in TestPackage must be specified as an absolute path", "name");

                

                this.isSingleAssembly = true;

				this.assemblies.Add(name);

			}

		}



		/// <summary>

		/// Construct a package, specifying the name to be used

		/// and a list of assemblies.

		/// </summary>

		/// <param name="name">The package name, used to name the top-level test node</param>

		/// <param name="assemblies">The list of assemblies comprising the package</param>

		public TestPackage( string name, IList assemblies )

		{

			this.fullName = name;

			this.name = Path.GetFileName( name );

			this.assemblies = new ArrayList();

            foreach (string assembly in assemblies)

            {

                if (!Path.IsPathRooted(assembly))

                    throw new ArgumentException("Assembly in TestPackage must be specified as an absolute path", "assemblies");

                this.assemblies.Add(assembly);

            }

			this.isSingleAssembly = false;

		}



		/// <summary>

		/// Gets the name of the package

		/// </summary>

		public string Name

		{

			get { return name; }

		}



		/// <summary>

		/// Gets the full name of the package, which is usually

		/// the path to the NUnit project used to create the it

		/// </summary>

		public string FullName

		{

			get { return fullName; }

		}



		/// <summary>

		/// The BasePath to be used in loading the assemblies

		/// </summary>

		public string BasePath

		{

			get { return basePath; }

			set { basePath = value; }

		}



		/// <summary>

		/// The configuration file to be used

		/// </summary>

		public string ConfigurationFile

		{

			get { return configFile; }

			set { configFile = value; }

		}



		/// <summary>

		/// Addditional directories to be probed when loading assemblies

		/// </summary>

		public string PrivateBinPath

		{

			get { return binPath; }

			set { binPath = value; }

		}



		/// <summary>

		/// Indicates whether the probing path should be generated

		/// automatically based on the list of assemblies.

		/// </summary>

		public bool AutoBinPath

		{

			get { return autoBinPath; }

			set { autoBinPath = value; }

		}



		/// <summary>

		/// Assemblies to be loaded. At least one must be specified.

		/// </summary>

		public IList Assemblies

		{

			get { return assemblies; }

		}



		/// <summary>

		/// Return true if the package represents a single assembly.

		/// No root node is displayed in that case.

		/// </summary>

		public bool IsSingleAssembly

		{

			get { return isSingleAssembly; }

		}



		/// <summary>

		/// Fully qualified name of test to be loaded. If not 

		/// specified, all the tests in the assemblies are loaded.

		/// </summary>

		public string TestName

		{

			get { return testName; }

			set { testName = value; }

		}



		/// <summary>

		/// Gets the dictionary of settings for this TestPackage

		/// </summary>

		public IDictionary Settings

		{

			get { return settings; }

		}



        /// <summary>

        /// Return the value of a setting or a default.

        /// </summary>

        /// <param name="name">The name of the setting</param>

        /// <param name="defaultSetting">The default value</param>

        /// <returns></returns>

        public object GetSetting(string name, object defaultSetting)

        {

            object setting = settings[name];



            return setting == null ? defaultSetting : setting;

        }



        /// <summary>

        /// Return the value of a string setting or a default.

        /// </summary>

        /// <param name="name">The name of the setting</param>

        /// <param name="defaultSetting">The default value</param>

        /// <returns></returns>

        public string GetSetting(string name, string defaultSetting)

        {

            object setting = settings[name];



            return setting == null ? defaultSetting : (string)setting;

        }



        /// <summary>

        /// Return the value of a bool setting or a default.

        /// </summary>

        /// <param name="name">The name of the setting</param>

        /// <param name="defaultSetting">The default value</param>

        /// <returns></returns>

        public bool GetSetting(string name, bool defaultSetting)

        {

            object setting = settings[name];



            return setting == null ? defaultSetting : (bool)setting;

        }



        /// <summary>

        /// Return the value of an int setting or a default.

        /// </summary>

        /// <param name="name">The name of the setting</param>

        /// <param name="defaultSetting">The default value</param>

        /// <returns></returns>

        public int GetSetting(string name, int defaultSetting)

        {

            object setting = settings[name];



            return setting == null ? defaultSetting : (int)setting;

        }



        /// <summary>

        /// Return the value of a enum setting or a default.

        /// </summary>

        /// <param name="name">The name of the setting</param>

        /// <param name="defaultSetting">The default value</param>

        /// <returns></returns>

        public System.Enum GetSetting(string name, System.Enum defaultSetting)

        {

            object setting = settings[name];



            return setting == null ? defaultSetting : (System.Enum)setting;

        }



        private static bool IsAssemblyFileType(string path)

		{

			string extension = Path.GetExtension( path ).ToLower();

			return extension == ".dll" || extension == ".exe";

		}

	}

}