using System.IO;

using System.Linq;

using NUnit.Framework;



namespace Mercurial.Tests.Hooks

{

    [TestFixture]

    [Category("Integration")]

    public class PreCommitHookTests : SingleRepositoryTestsBase

    {

        [SetUp]

        public override void SetUp()

        {

            base.SetUp();



            Repo.Init();

            File.WriteAllText(Path.Combine(Repo.Path, "dummy.txt"), "dummy");

            Repo.Add("dummy.txt");

        }



        [Test]

        public void Commit_HookThatPasses_AllowsCommit()

        {

            Repo.SetHook("precommit", "ok");



            var command = new CustomCommand("commit")

                .WithAdditionalArgument("-m")

                .WithAdditionalArgument("dummy");

            Repo.Execute(command);



            Assert.That(command.RawExitCode, Is.EqualTo(0));

            Assert.That(Repo.Log().Count(), Is.EqualTo(1));

        }



        [Test]

        public void Commit_HookThatFails_DoesNotAllowCommit()

        {

            Repo.SetHook("precommit", "fail");



            var command = new CustomCommand("commit")

                .WithAdditionalArgument("-m")

                .WithAdditionalArgument("dummy");

            Assert.Throws<MercurialExecutionException>(() => Repo.Execute(command));



            Assert.That(command.RawExitCode, Is.Not.EqualTo(0));

            Assert.That(Repo.Log().Count(), Is.EqualTo(0));

        }

    }

}