using Developpez.Dotnet.Windows.Service;
using NUnit.Framework;

namespace Developpez.Dotnet.Windows.Tests.Service
{
    [TestFixture]
    public class ServiceLocatorTests
    {
        [Test]
        public void Test_NoName()
        {
            ServiceLocator.Instance.RegisterService<IFooService>(new FooService());
            var service = ServiceLocator.Instance.GetService<IFooService>();
            Assert.IsNotNull(service);
            Assert.IsTrue(service is FooService);
        }

        [Test]
        public void Test_WithName()
        {
            ServiceLocator.Instance.RegisterService<IBarService>("bar1", new BarService1());
            ServiceLocator.Instance.RegisterService<IBarService>("bar2", new BarService2());
            var service1 = ServiceLocator.Instance.GetService<IBarService>("bar1");
            var service2 = ServiceLocator.Instance.GetService<IBarService>("bar2");
            Assert.IsNotNull(service1);
            Assert.IsNotNull(service2);
            Assert.IsTrue(service1 is BarService1);
            Assert.IsTrue(service2 is BarService2);
        }
        
        [Test]
        public void Test_ServiceNotFound()
        {
            bool wasThrown = false;
            try
            {
                var service = ServiceLocator.Instance.GetService<IBazService>();
            }
            catch (ServiceNotFoundException)
            {
                wasThrown = true;
            }
            Assert.IsTrue(wasThrown);
        }

        #region Test services

        interface IFooService { }
        interface IBarService { }
        interface IBazService { }

        class FooService : IFooService { }
        class BarService1 : IBarService { }
        class BarService2 : IBarService { }


        #endregion
    }
}