/src/Ninject.Tests/Integration/ActivationStrategyTests.cs

using Ninject.Tests.Fakes;
using Xunit;
using Xunit.Should;

namespace Ninject.Tests.Integration
{
	public class ActivationStrategyTests
	{
		[Fact]
		public void InstanceIsActivatedOnCreation()
		{
			using ( var kernel = new StandardKernel() )
			{
				kernel.Bind<Barracks>()
					.ToSelf()
					.OnActivation(instance =>
									{
										instance.Warrior = new FootSoldier();
										instance.Weapon = new Shuriken();
									});

				var barracks = kernel.Get<Barracks>();
				barracks.Warrior.ShouldNotBeNull();
				barracks.Warrior.ShouldBeInstanceOf<FootSoldier>();
				barracks.Weapon.ShouldNotBeNull();
				barracks.Weapon.ShouldBeInstanceOf<Shuriken>();
			}
		}

		[Fact]
		public void InstanceIsDeactivatedWhenItLeavesScope()
		{
			Barracks barracks;
			using ( var kernel = new StandardKernel() )
			{
				kernel.Bind<Barracks>()
					.ToSelf()
					.InSingletonScope()
					.OnActivation(instance =>
									{
										instance.Warrior = new FootSoldier();
										instance.Weapon = new Shuriken();
									})
					.OnDeactivation(instance =>
									{
										instance.Warrior = null;
										instance.Weapon = null;
									});

				barracks = kernel.Get<Barracks>();
				barracks.Warrior.ShouldNotBeNull();
				barracks.Warrior.ShouldBeInstanceOf<FootSoldier>();
				barracks.Weapon.ShouldNotBeNull();
				barracks.Weapon.ShouldBeInstanceOf<Shuriken>();
			}
			barracks.Warrior.ShouldBeNull();
			barracks.Weapon.ShouldBeNull();
		}
	}
}