def testIndexOrLexical(self):
well_known_values = ['x-a', 'x-b', 'x-c', 'x-d']
art = 'this is a fake artifact'
# Case 1: accessor generates no values.
base_accessor = lambda art: None
accessor = sorting._IndexOrLexical(well_known_values, base_accessor)
self.assertEqual(sorting.MAX_STRING, accessor(art))
neg_accessor = MakeDescending(accessor)
self.assertEqual(sorting.DescendingValue(sorting.MAX_STRING),
neg_accessor(art))
# Case 2: accessor generates a value, but it is an empty value.
base_accessor = lambda art: ''
accessor = sorting._IndexOrLexical(well_known_values, base_accessor)
self.assertEqual(sorting.MAX_STRING, accessor(art))
neg_accessor = MakeDescending(accessor)
self.assertEqual(sorting.DescendingValue(sorting.MAX_STRING),
neg_accessor(art))
# Case 3: A single well-known value
base_accessor = lambda art: 'x-c'
accessor = sorting._IndexOrLexical(well_known_values, base_accessor)
self.assertEqual(2, accessor(art))
neg_accessor = MakeDescending(accessor)
self.assertEqual(-2, neg_accessor(art))
# Case 4: A single odd-ball value
base_accessor = lambda art: 'x-zzz'
accessor = sorting._IndexOrLexical(well_known_values, base_accessor)
self.assertEqual('x-zzz', accessor(art))
neg_accessor = MakeDescending(accessor)
self.assertEqual(sorting.DescendingValue('x-zzz'), neg_accessor(art))
def testMakeSingleSortKeyAccessor_Status(self):
"""Sorting by status should create an accessor for that column."""
self.mox.StubOutWithMock(sorting, '_IndexOrLexical')
status_names = [wks.status for wks in self.config.well_known_statuses]
sorting._IndexOrLexical(status_names, 'status accessor')
self.mox.ReplayAll()
sorting._MakeSingleSortKeyAccessor('status', self.config,
{'status': 'status accessor'}, [],
{}, [])
self.mox.VerifyAll()