Catel - Part 4 of n: Unit testing with Catel

using System;
using System.Collections.Generic;
using System.IO;

namespace Catel.Test
{
    /// <summary>
    /// Class to manage files that are required for unit tests. This class automatically deletes the files again
    /// after using them.
    /// </summary>
    internal class FilesHelper
    {
        #region Variables
        /// <summary>
        /// List of files to delete at cleanup.
        /// </summary>
        private readonly List<string> _fileNamesToDelete = new List<string>();
        #endregion

        #region Methods
        /// <summary>
        /// Cleans up all the mess caused by this class.
        /// </summary>
        public void CleanUp()
        {
            foreach (string fileName in _fileNamesToDelete)
            {
                try
                {
                    File.Delete(fileName);
                }
                catch (Exception)
                {
                    // Continue
                }
            }
        }

        /// <summary>
        /// Gets the name of the temp file.
        /// </summary>
        /// <returns>Filename of a new temporary file that is ready to be used.</returns>
        public string GetTempFileName()
        {
            // Get filename
            string fileName = Path.GetTempFileName();

            // Add to "garbage collector"
            _fileNamesToDelete.Add(fileName);

            // Return filename
            return fileName;
        }
        #endregion
    }
}