public void MoveDownShouldNotMoveWhenConstrainedByFooId()
{
var things = MoveTests.MakeSomeThings().AsQueryable();
thingRepository.Expect(tr => tr.GetAll()).Return(things);
orderService.MoveItemAtPosition(3).ConstrainedBy(thing => thing.FooId == 1).DownOne();
Assert.AreEqual("three", things.Single(t => t.Position == 3).Name);
}
public void MoveDownShouldMoveElementDown()
{
var things = MoveTests.MakeSomeThings().AsQueryable();
thingRepository.Expect(tr => tr.GetAll()).Return(things);
// move three down to bottom
orderService.MoveItemAtPosition(3).DownOne();
Assert.AreEqual("three", things.Single(t => t.Position == 4).Name);
}
public void MoveUpShouldMoveElementUp()
{
var things = MoveTests.MakeSomeThings().AsQueryable();
thingRepository.Expect(tr => tr.GetAll()).Return(things);
// move two up to top
orderService.MoveItemAtPosition(2).UpOne();
Assert.AreEqual("two", things.Single(t => t.Position == 1).Name);
}