def test_new(self):
# default flip_count
puzzle = new()
self.assertIsInstance(puzzle, Puzzle)
self.assertEqual((len(puzzle.deck), puzzle.flip_count), (52, 4))
self.assertEqual(Counter(puzzle.deck)[FaceUp], 4)
# custom flip_count
puzzle = new(flip_count=10)
self.assertEqual((len(puzzle.deck), puzzle.flip_count), (52, 10))
self.assertEqual(Counter(puzzle.deck)[FaceUp], 10)
# flip_count >= 52 -> 51
puzzle = new(flip_count=100)
self.assertEqual((len(puzzle.deck), puzzle.flip_count), (52, 51))
self.assertEqual(Counter(puzzle.deck)[FaceUp], 51)
# flip_count <= 1 -> abs(flip_count)
puzzle = new(flip_count=-10)
self.assertEqual((len(puzzle.deck), puzzle.flip_count), (52, 10))
self.assertEqual(Counter(puzzle.deck)[FaceUp], 10)
# flip_count == 0 -> 1
puzzle = new(flip_count=0)
self.assertEqual((len(puzzle.deck), puzzle.flip_count), (52, 1))
self.assertEqual(Counter(puzzle.deck)[FaceUp], 1)
def test_solve(self):
# solve for all allowed flip_count values
for flip_count in range(1, 52):
puzzle = new(flip_count)
stack_one, stack_two = solve(puzzle)
self.assertEqual(Counter(stack_one)[FaceUp], Counter(stack_two)[FaceUp])