OrderProcessorSpecs

using SpecsFor;
public class OrderProcessorSpecs : SpecsFor<OrderProcessor>
{
	ProcessingResult _result;

	protected override void Given()
	{
		GetMockFor<IInventory>()
			.Setup(i => i.IsQuantityAvailable("TestPart", 10))
			.Returns(true)
			.Verifiable();
	}

	protected override void When()
	{
		_result = SUT.Process(new Order {PartNumber = "TestPart", Quantity = 10});
	}

	[Test]
	public void then_the_order_is_accepted()
	{
		_result.WasAccepted.ShouldBeTrue();
	}

	[Test]
	public void then_it_checks_the_quantity()
	{
		GetMockFor<IInventory>().Verify();
	}

	[Test]
	public void then_it_raises_a_new_event()
	{
		GetMockFor<IPublisher>()
			.Verify(p => p.Publish(It.Is<OrderSubmitted>(o => o.OrderNumber == result.OrderNumber)));
	}
}