using System;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using Renci.SshNet.Common;
using Renci.SshNet.Tests.Common;
using Renci.SshNet.Tests.Properties;

namespace Renci.SshNet.Tests.Classes
{
    /// <summary>
    /// Represents SSH command that can be executed.
    /// </summary>
    [TestClass]
    public partial class SshCommandTest : TestBase
    {
        [TestMethod]
        [ExpectedException(typeof(SshConnectionException))]
        public void Test_Execute_SingleCommand_Without_Connecting()
        {
            using (var client = new SshClient(Resources.HOST, Resources.USERNAME, Resources.PASSWORD))
            {
                var result = ExecuteTestCommand(client);

                Assert.IsTrue(result);
            }
        }

        private static bool ExecuteTestCommand(SshClient s)
        {
            var testValue = Guid.NewGuid().ToString();
            var command = string.Format("echo {0}", testValue);
            var cmd = s.CreateCommand(command);
            var result = cmd.Execute();
            result = result.Substring(0, result.Length - 1);    //  Remove \n character returned by command
            return result.Equals(testValue);
        }
    }
}