//
// Unit tests for the dependency injection. 
//
// Authors:
//      Néstor Salceda <nestor.salceda@gmail.com>
//
//      (C) 2007 Néstor Salceda
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using Babuine.ComponentModel;
using NUnit.Framework;

namespace Babuine.ComponentModel.Test {

	class ClientWithConstructorInjection {
		IThirdComponent component;
		
		[InjectDependency]
		public ClientWithConstructorInjection (IThirdComponent component)
		{
			this.component = component;
		}

		public IThirdComponent ReturnComponent ()
		{
			return component;
		}
	}


	[TestFixture]
	public class ConstructorInjectionTest {
		ClientWithConstructorInjection client;

		[TestFixtureSetUp]
		public void FixtureSetUp () 
		{
			client = ObjectProviderFactory.CreateObjectProvider (new ConstructorInjectionAssembler ()).GetInjectedObject <ClientWithConstructorInjection> ();
		}

		[Test]
		public void ClientRetrievedNotNullTest () 
		{
			Assert.IsNotNull (client);
		}

		[Test]
		public void FirstLevelNotNullTest ()
		{
			Assert.IsNotNull (client.ReturnComponent ());
		}

		[Test]
		public void FirstLevelMatchesImplementationTest ()
		{
			Assert.IsTrue (client.ReturnComponent () is IThirdComponent);
			Assert.IsTrue (client.ReturnComponent () is ThirdComponentConstructorInjectionImpl);
		}

		[Test]
		public void SecondLevelNotNullTest () 
		{
			Assert.IsNotNull (client.ReturnComponent ().ReturnComponent ());
		}
		
		[Test]
		public void SecondLevelMatchesImplementationTest ()
		{
			Assert.IsTrue (client.ReturnComponent ().ReturnComponent () is ISecondComponent);
			Assert.IsTrue (client.ReturnComponent ().ReturnComponent () is SecondComponentConstructorInjectionImpl);
		}

		[Test]
		public void ThirdLevelNotNullTest ()
		{
			Assert.IsNotNull (client.ReturnComponent ().ReturnComponent ().ReturnComponent ());
		}

		[Test]
		public void ThirdLevelInjectionMatchImplementationTest ()
		{
			Assert.IsTrue (client.ReturnComponent ().ReturnComponent ().ReturnComponent () is IFirstComponent);
			Assert.IsTrue (client.ReturnComponent ().ReturnComponent ().ReturnComponent () is FirstComponentImpl);
		}
	}
}
