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

namespace Calculator.Test.presentation.commands {
	[TestFixture]
	public class InitializeKeyPadCommandTest {
		[SetUp]
		public void SetUp() {
			_mockery = new MockRepository( );
			view = _mockery.DynamicMock< ICalculatorView >( );
			factory = _mockery.DynamicMock< IAppendDigitCommandFactory >( );
			allDigits = new List< IDigit >( Digits.All( ) );
		}

		private IInitializeKeyPadCommand CreateSUT() {
			return new InitializeKeyPadCommand( view, factory, allDigits );
		}

		[Test]
		public void should_leverage_task_to_create_a_command_for_each_digit() {
			using ( _mockery.Record( ) ) {
				Expect.Call( factory.CreateCommandsFor( allDigits ) ).Return( null );
			}

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

		[Test]
		public void should_bind_commands_to_clickable_controls_on_view() {
			var commandsToBindTo = new List< IAppendDigitCommand >( );
			using ( _mockery.Record( ) ) {
				SetupResult.For( factory.CreateCommandsFor( null ) ).IgnoreArguments( ).Return( commandsToBindTo );
				view.BindToCommands( commandsToBindTo );
			}

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

		private MockRepository _mockery;
		private IList< IDigit > allDigits;
		private IAppendDigitCommandFactory factory;
		private ICalculatorView view;
	}
}