def test_jump_crowning(self):
b = Board()
b.set_board("...,...o,....x")
b.push(b.legal_moves()[0])
self.assertEqual("..X.......,,,,,,,,,", b.get_board())
self.assertEqual(Checker(WHITE, True), b.checker_at(2, 0))
b.pop()
self.assertEqual(",...o......,....x.....,,,,,,,", b.get_board())
self.assertEqual(Checker(WHITE, False), b.checker_at(4, 2))
def test_two_double_jumps(self):
b = Board()
b.set_board(",...o.o,,...o,..x")
self.assertEqual(
"[[Move<x,f(2, 4),t(4, 2)>, Move<x,f(4, 2),t(2, 0)>], "
"[Move<x,f(2, 4),t(4, 2)>, Move<x,f(4, 2),t(6, 0)>]]",
str(b.legal_moves()))
self.assertIsNotNone(b.checker_at(3, 3))
self.assertIsNotNone(b.checker_at(3, 1))
self.assertIsNotNone(b.checker_at(5, 1))
def test_push_chain_no_crowning(self):
b = Board()
b.set_board(",......o.o.,,....o.....,...x......")
b.push(b.legal_moves()[0])
self.assertIsNotNone(b.checker_at(9, 2))
self.assertFalse(b.checker_at(9, 2).crowned)
b.pop()
self.assertEqual(",......o.o.,,....o.....,...x......,,,,,",
b.get_board())
self.assertIsNone(b.checker_at(9, 2))
self.assertFalse(b.checker_at(3, 4).crowned)
pass
def test_promotion_pop(self):
b = Board()
b.set_board(",x")
b.push(b.legal_moves()[0])
chk = Checker(WHITE, True)
self.assertTrue(b.move_stack[-1][-1].is_promotion)
self.assertEqual(b.checker_at(1, 0), chk)
b.push([Move(chk, (1, 0), (5, 4))])
self.assertEqual(b.checker_at(5, 4), chk)
b.pop()
self.assertEqual(b.checker_at(1, 0), Checker(WHITE, True))
b.pop()
self.assertEqual(b.checker_at(0, 1), Checker(WHITE, False))
def test_push_chain_crowning(self):
# crowning can only happen if chain ended at the proper place (crowning can't happen in the middle of the chain)
b = Board()
b.set_board(",......o...,,....o.....,...x......")
b.push(b.legal_moves()[0])
self.assertIsNotNone(b.checker_at(7, 0))
self.assertTrue(b.checker_at(7, 0).crowned)
b.pop()
self.assertEqual(",......o...,,....o.....,...x......,,,,,",
b.get_board())
self.assertIsNone(b.checker_at(7, 0))
self.assertFalse(b.checker_at(3, 4).crowned)
pass
def test_complicated_circle_chain(self):
b = Board()
b.set_board(",.o.o.o....,,.o.o......,..x")
ch1 = "[Move<x,f(2, 4),t(0, 2)>, Move<x,f(0, 2),t(2, 0)>, Move<x,f(2, 0),t(4, 2)>, Move<x,f(4, 2),t(2, 4)>]"
ch2 = "[Move<x,f(2, 4),t(0, 2)>, Move<x,f(0, 2),t(2, 0)>, Move<x,f(2, 0),t(4, 2)>, Move<x,f(4, 2),t(6, 0)>]"
ch3 = "[Move<x,f(2, 4),t(4, 2)>, Move<x,f(4, 2),t(2, 0)>, Move<x,f(2, 0),t(0, 2)>, Move<x,f(0, 2),t(2, 4)>]"
self.assertEqual("[" + ch1 + ", " + ch2 + ", " + ch3 + "]",
str(b.legal_moves()))
self.assertIsNotNone(b.checker_at(1, 3))
self.assertIsNotNone(b.checker_at(3, 3))
self.assertIsNotNone(b.checker_at(1, 1))
self.assertIsNotNone(b.checker_at(3, 1))
self.assertIsNotNone(b.checker_at(5, 1))
def test_push_crowning(self):
b = Board()
b.set_board(",.x")
b.push(b.legal_moves()[1])
self.assertEqual("..X.......,,,,,,,,,", b.get_board())
self.assertTrue(b.checker_at(2, 0).crowned)
b = Board()
b.set_board(",,,,,,,,....o,")
b.color = False
b.push(b.legal_moves()[0])
self.assertEqual(",,,,,,,,,...O......", b.get_board())
self.assertTrue(b.checker_at(3, 9).crowned)
b.pop()
self.assertEqual(",,,,,,,,....o.....,", b.get_board())
self.assertFalse(b.checker_at(4, 8).crowned)
pass
def test_push_jump(self):
b = Board()
b.set_board(",,....o,...x")
b.push(b.legal_moves()[0])
self.assertIsNone(b.checker_at(4, 2))
self.assertEqual(",.....x....,,,,,,,,", b.get_board())
b.pop()
self.assertIsNotNone(b.checker_at(4, 2))
self.assertEqual(",,....o.....,...x......,,,,,,", b.get_board())
b = Board()
b.set_board(",,,,......x...,.....o....,,,,")
b.color = checkers.BLACK
b.push(b.legal_moves()[0])
self.assertIsNone(b.checker_at(6, 4))
self.assertEqual(",,,.......o..,,,,,,", b.get_board())
b.pop()
self.assertIsNotNone(b.checker_at(6, 4))
self.assertEqual(",,,,......x...,.....o....,,,,", b.get_board())
pass
def test_jump_black(self):
b = Board()
b.set_board(",,,,......x,.....o")
b.color = checkers.BLACK
self.assertEqual("[[Move<o,f(5, 5),t(7, 3)>]]", str(b.legal_moves()))
self.assertIsNotNone(b.checker_at(6, 4))
def test_jump_white(self):
b = Board()
b.set_board(",,....o,...x")
self.assertEqual("[[Move<x,f(3, 3),t(5, 1)>]]", str(b.legal_moves()))
self.assertIsNotNone(b.checker_at(4, 2))