using System;

using Ncqrs.Eventing.Sourcing.Snapshotting;

using FluentAssertions;

using Xunit;



namespace Ncqrs.Eventing.Storage.NoDB.Tests.SnapshotStoreTests

{



    public class when_getting_the_snapshot : NoDBSnapshotStoreTestFixture

    {

        private Snapshot _retrieved;



        public when_getting_the_snapshot()

        {

            Snapshot = new Snapshot(Guid.NewGuid(), 1, new TestSnapshot { Name = "Name" });

            SnapshotStore.SaveSnapshot(Snapshot);

            _retrieved = SnapshotStore.GetSnapshot(Snapshot.EventSourceId, long.MaxValue);

        }



        [Fact]

        public void it_should_get_the_last_snapshot_saved()

        {

            _retrieved.EventSourceId.Should().Be(Snapshot.EventSourceId);

            _retrieved.Version.Should().Be(Snapshot.Version);

        }



        [Fact]

        public void it_should_return_null_if_the_snapshot_does_not_exist()

        {

            var shouldbenull = SnapshotStore.GetSnapshot(Guid.NewGuid(), long.MaxValue);

            Assert.Null(shouldbenull);

        }

    }

}