def testDragFilesEffect(self):
form = MainForm()
event = Event(containsFiles = True)
form.onDragEnter(None, event)
assert event.Effect == DragDropEffects.Copy
def testDragNonFilesEffect(self):
form = MainForm()
assert form.AllowDrop
event = Event(containsFiles=False)
form.onDragEnter(None, event)
assert event.Effect == DragDropEffects.None
