def find_query(self, wanted, orderings, default):
"""
Given the list of order statements and a query that is currently
found in the request's querystring returns the next in line,
or falls back to the given default.
"""
for current, next in cycle_pairs(orderings):
if current == wanted:
return next
return default
def find_query(self, wanted, orderings, default):
"""
Given the list of order statements and a query that is currently
found in the request's querystring returns the next in line,
or falls back to the given default.
"""
for current, next in cycle_pairs(orderings):
if current == wanted:
return next
return default
def test_cycle_pairs(self):
self.assertEqual(list(cycle_pairs([1, 2, 3])), [(1, 2), (2, 3),
(3, 1)])
def test_cycle_pairs(self):
self.assertEqual(list(cycle_pairs([1, 2, 3])), [(1, 2), (2, 3), (3, 1)])
