recyclarr/src/Trash.Tests/Command/CliTypeActivatorTest.cs

using System;
using System.Collections.Generic;
using Autofac;
using FluentAssertions;
using NUnit.Framework;
using Trash.Command;

namespace Trash.Tests.Command
{
    [TestFixture]
    [Parallelizable(ParallelScope.All)]
    public class CliTypeActivatorTest
    {
        private class NonServiceCommandType
        {
        }

        private class StubCommand : IServiceCommand
        {
            public bool Preview => false;
            public bool Debug => false;
            public ICollection<string>? Config => null;
            public string CacheStoragePath => "";
        }

        [Test]
        public void Resolve_NonServiceCommandType_NoActiveCommandSet()
        {
            var builder = new ContainerBuilder();
            builder.RegisterType<NonServiceCommandType>();
            var container = CompositionRoot.Setup(builder);

            var createdType = CliTypeActivator.ResolveType(container, typeof(NonServiceCommandType));

            Action act = () => _ = container.Resolve<IActiveServiceCommandProvider>().ActiveCommand;

            createdType.Should().BeOfType<NonServiceCommandType>();
            act.Should()
                .Throw<InvalidOperationException>()
                .WithMessage("The active command has not yet been determined");
        }

        [Test]
        public void Resolve_ServiceCommandType_ActiveCommandSet()
        {
            var builder = new ContainerBuilder();
            builder.RegisterType<StubCommand>();
            var container = CompositionRoot.Setup(builder);

            var createdType = CliTypeActivator.ResolveType(container, typeof(StubCommand));
            var activeCommand = container.Resolve<IActiveServiceCommandProvider>().ActiveCommand;

            activeCommand.Should().BeSameAs(createdType);
            activeCommand.Should().BeOfType<StubCommand>();
        }
    }
}