public void GetItem_IfSKUNullOrEmpty__ShouldThrowArgumentNullException()
{
//arrange
var orchestrator = new ItemOrchestrator();
//act
Func <Item> action = () => { return(orchestrator.GetItem(null)); };
//assert
action.Should().Throw <ArgumentNullException>();
}
public void GetItem_IfSKUExists__ShouldReturnItem()
{
//arrange
var orchestrator = new ItemOrchestrator();
var expected = new Item {
SKU = "A99", Price = 0.50m
};
orchestrator._listItems.Add(expected);
//act
var item = orchestrator.GetItem("A99");;
//assert
item.Should().NotBeNull();
item.Should().Equals(expected);
}