using DTS.DASLib.Service.StateMachine;
using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StateMachine.Tests
{
    [TestFixture]
    public class DiagnoseShould
    {
        [Test]
        public void State_ShouldBeRealtime()
        {
            //Arrange
            var sut = new Realtime();

            //Act & Assert
            Assert.That(State.Realtime, Is.EqualTo(sut.State));
        }

        [Test]
        public void StateSelector_ShouldReturnRealtime_WhenRequireAllUnitsPassDiagnosticIsFalse()
        {
            //Arrange
            var sut = new Diagnose();
            var status = sut.Status;
            status.DiagnoseParams.ProceedToRealtimeWhenDone = true;
            status.DiagnoseParams.RequireAllUnitsPassDiagnostic = false;

            //Act
            var dasState = sut.StateSelector();

            // Assert
            Assert.That(dasState.State, Is.EqualTo(State.RealtimeStart));
        }

        [Test]
        public void StateSelector_ShouldReturnRealtime_WhenAllUnitsPassedDiagnostic()
        {
            //Arrange
            var sut = new Diagnose();
            var status = sut.Status;
            status.DiagnoseParams.ProceedToRealtimeWhenDone = true;
            status.DiagnoseParams.AllUnitsPassedDiagnostic = true;

            //Act
            var dasState = sut.StateSelector();

            // Assert
            Assert.That(dasState.State, Is.EqualTo(State.RealtimeStart));
        }
        [Test]
        public void StateSelector_ShouldReturnDiagnose_ProceedToRealtimeWhenDoneIsFalse()
        {
            //Arrange
            var sut = new Diagnose();
            var status = sut.Status;
            status.DiagnoseParams.ProceedToRealtimeWhenDone = false;
            status.DiagnoseParams.AllUnitsPassedDiagnostic = true;
            status.DiagnoseParams.RequireAllUnitsPassDiagnostic = false;

            //Act
            var dasState = sut.StateSelector();

            // Assert
            Assert.That(dasState.State, Is.EqualTo(State.Diagnose));
        }

        [Test]
        public void StateSelector_ShouldReturnDiagnose_WhenAllUnitsPassedDiagnosticIsFalseAndRequireAllUnitsPassDiagnostic()
        {
            //Arrange
            var sut = new Diagnose();
            var status = sut.Status;
            status.DiagnoseParams.ProceedToRealtimeWhenDone = true;
            status.DiagnoseParams.RequireAllUnitsPassDiagnostic = true;
            status.DiagnoseParams.AllUnitsPassedDiagnostic = false;

            //Act
            var dasState = sut.StateSelector();

            // Assert
            Assert.That(dasState.State, Is.EqualTo(State.Diagnose));
        }
    }
}