Calculator/src/test/Calculator.Test/presentation/commands/StartupCommandTest.cs


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using System.Collections.Generic;
using Calculator.Domain;
using Calculator.Infrastructure;
using Calculator.Presentation.Commands;
using MbUnit.Framework;
using Rhino.Mocks;

namespace Calculator.Test.presentation.commands {
	[TestFixture]
	public class StartupCommandTest {
		[SetUp]
		public void SetUp() {
			_mockery = new MockRepository( );
			_initializeKeyPadCommand = _mockery.DynamicMock< IInitializeKeyPadCommand >( );
			_registry = _mockery.DynamicMock< IComponentRegistry >( );
			_resolver = _mockery.DynamicMock< IDependencyResolver >( );
		}

		public IStartupCommand CreateSUT() {
			return new StartupCommand( _initializeKeyPadCommand, _registry, _resolver );
		}

		[Test]
		public void should_execute_the_initialize_keypad_command() {
			using ( _mockery.Record( ) ) {
				using ( _mockery.Ordered() ) {
					Expect.Call(_registry.AllComponents()).Return(new List<IRegisteredComponent>());
					_initializeKeyPadCommand.Execute( );
				}
			}

			using ( _mockery.Playback( ) ) {
				CreateSUT( ).Execute( );
			}
		}

		[Test]
		public void should_register_each_component_in_the_component_registry_with_the_dependency_resolver() {
			var registeredComponent = new RegisteredComponent< ICalculator, StandardCalculator >( );
			var registeredComponents = new List< IRegisteredComponent >{registeredComponent};
			
			using ( _mockery.Record( ) ) {
				SetupResult.For( _registry.AllComponents( ) ).Return( registeredComponents );
				_resolver.Register( registeredComponent );
			}

			using ( _mockery.Playback( ) ) {
				CreateSUT( ).Execute( );
			}
		}

		private IInitializeKeyPadCommand _initializeKeyPadCommand;
		private MockRepository _mockery;
		private IComponentRegistry _registry;
		private IDependencyResolver _resolver;
	}
}