def test_pairs_items_with_no_match_with_none(self): """Items without a matching ID are paired with None when yielded.""" seq = [ IdValPair(9, "bar"), ] seq2 = [ IdValPair(5, "foo"), IdValPair(3, "moo"), ] result = list(_align_by_ids(seq, seq2)) expected = [ (IdValPair(9, "bar"), None), (None, IdValPair(5, "foo")), (None, IdValPair(3, "moo")), ] self.assertItemsEqual(result, expected)
def test_pairs_items_with_no_match_with_none(self): """Items without a matching ID are paired with None when yielded.""" seq = [ IdValPair(9, "bar"), ] seq2 = [ IdValPair(5, "foo"), IdValPair(3, "moo"), ] result = list(_align_by_ids(seq, seq2)) expected = [ (IdValPair(9, "bar"), None), (None, IdValPair(5, "foo")), (None, IdValPair(3, "moo")), ] self.assertItemsEqual(result, expected)
def test_yields_item_pairs_with_same_ids(self): """Items in yielded pairs shoučld be matched by their IDs.""" seq = [ IdValPair(8, "foo"), IdValPair(3, "bar"), IdValPair(7, "baz"), IdValPair(9, "qux"), ] # values scrambled to test that items are indeed matched by their IDs seq2 = [ IdValPair(7, "qux"), IdValPair(3, "bar"), IdValPair(9, "foo"), IdValPair(8, "baz"), ] result = list(_align_by_ids(seq, seq2)) for item, item2 in result: self.assertEqual(item.id, item2.id)
def test_yields_item_pairs_with_same_ids(self): """Items in yielded pairs shoučld be matched by their IDs.""" seq = [ IdValPair(8, "foo"), IdValPair(3, "bar"), IdValPair(7, "baz"), IdValPair(9, "qux"), ] # values scrambled to test that items are indeed matched by their IDs seq2 = [ IdValPair(7, "qux"), IdValPair(3, "bar"), IdValPair(9, "foo"), IdValPair(8, "baz"), ] result = list(_align_by_ids(seq, seq2)) for item, item2 in result: self.assertEqual(item.id, item2.id)
def test_yields_nothing_for_empty_iterables(self): """Giving two empty iterables should result in no pairs yielded.""" result = list(_align_by_ids([], [])) self.assertFalse(result)
def test_yields_nothing_for_empty_iterables(self): """Giving two empty iterables should result in no pairs yielded.""" result = list(_align_by_ids([], [])) self.assertFalse(result)