public void GivenTwoScannersOnSameStream_ShouldBuildConsistendList()
{
_testee.MonitorEvents();
_testeeAfterwards.MonitorEvents();
_testee.ItemDetected(new TestItem(5));
_testee.ItemDetected(new TestItem(4));
_testeeAfterwards.ItemDetected(new TestItem(5));
_testeeAfterwards.ItemDetected(new TestItem(4));
_testee.ItemDetected(new TestItem(3));
_testeeAfterwards.ItemDetected(new TestItem(3));
_testee.ItemDetected(new TestItem(2));
_testee.ItemDetected(new TestItem(1));
_testeeAfterwards.ItemDetected(new TestItem(2));
_testeeAfterwards.ItemDetected(new TestItem(1));
_testee.ShouldNotRaise("ItemRemovedEvent");
_testeeAfterwards.ShouldNotRaise("ItemRemovedEvent");
var list1 = _testee.GetOrderedList();
var list2 = _testeeAfterwards.GetOrderedList();
list1.Count.Should().Be(5);
list2.Count.Should().Be(5);
list1[0].Should().Be(new TestItem(5));
list1[4].Should().Be(new TestItem(1));
list2[0].Should().Be(new TestItem(5));
list2[4].Should().Be(new TestItem(1));
list1[3].ItemInFront.Should().Be(list1[2]);
list1[2].ItemBehind.Should().Be(list1[3]);
}
public void GivenItem_WhenDetectNewItem_ShouldRaiseEvent()
{
var oldItem = new TestItem(1);
_testee.ItemDetected(oldItem);
_testee.MonitorEvents();
_testee.ItemDetected(oldItem);
_testee.ShouldNotRaise("NewItemDetectedEvent", "this item is not new it was just scanned a second time");
var newItem = new TestItem(2);
_testee.ItemDetected(newItem);
_testee
.ShouldRaise("NewItemDetectedEvent")
.WithArgs <ItemEventArgs <TestItem> >(x => x.Item == newItem);
_testee
.ShouldRaise("ItemDetectedEvent")
.WithArgs <ItemEventArgs <TestItem> >(x => x.Item == newItem);
}
