def test_empty_list_sorting(self):
num_items = 5
lookup = dict()
ordering = range(num_items)
self.assertSequenceEqual([ None ] * num_items,
tuple(views.ordered_by_list(ordering, lookup)))
def test_partial_list_sorting(self):
num_items = 5
lookup = dict( { 2:2, 4:4 } )
ordering = range(num_items)
self.assertSequenceEqual((None, None, 2, None, 4),
tuple(views.ordered_by_list(ordering, lookup)))
def test_full_list_sorting(self):
num_items = 5
lookup = dict(zip(range(num_items), range(num_items)))
ordering = range(num_items)
self.assertSequenceEqual(ordering,
tuple(views.ordered_by_list(ordering, lookup)))
