def test_adjacent_mine_count_for_squares_near_mines(self):
board = Board(beginner, [1, 2, 3])
self.assertEqual(3, board.adjacent_mine_count(10))
self.assertEqual(2, board.adjacent_mine_count(11))
self.assertEqual(2, board.adjacent_mine_count(9))
self.assertEqual(1, board.adjacent_mine_count(0))
self.assertEqual(1, board.adjacent_mine_count(4))
def test_opening_a_flagged_position_removes_the_flag_from_the_position(
self):
board = Board(beginner, [1, 2, 3], [])
board = board.toggle_flag(20)
self.assertCountEqual([20], board.flagmap)
board = board.open(20)
self.assertCountEqual([], board.flagmap)
def test_adjacent_mine_count_for_corner_mines(self):
# M 1 x x x
# 1 x x x x
# x x x x x
board = Board(hexagonal, [0])
self.assertEqual(1, board.adjacent_mine_count(1))
self.assertEqual(0, board.adjacent_mine_count(2))
self.assertEqual(1, board.adjacent_mine_count(24))
self.assertEqual(0, board.adjacent_mine_count(25))
self.assertEqual(0, board.adjacent_mine_count(48))
def test_opening_space_with_a_corner_mine(self):
# M 1 x x x x x x
# 1 1 x x x x x x
# x x x x x x x x
board = Board(beginner, [0], [])
self.assertEqual(0, board.adjacent_mine_count(5))
board = board.open(5)
expected_openmap = set((i for i in range(64))).difference([0])
self.assertCountEqual(expected_openmap, board.openmap)
def test_opening_space_with_some_side_mines(self):
# H M M M 1 x x x
# 1 2 3 2 1 x x x
# x x x x x x x x
# The top left corner isn't reachable from the open space, so it shouldn't be opened
board = Board(beginner, [1, 2, 3], [])
self.assertEqual(0, board.adjacent_mine_count(5))
board = board.open(5)
expected_openmap = set((i for i in range(64))).difference([0, 1, 2, 3])
self.assertCountEqual(expected_openmap, board.openmap)
def test_adjacent_mine_count_for_high_mine_cells(self):
# x x x x x
# x 1 2 1 x
# x 1 M M 2
# x 2 4 M x
# x 1 M M 2
board = Board(hexagonal, [50, 51, 75, 98, 99])
self.assertEqual(5, board.adjacent_mine_count(74))
self.assertEqual(2, board.adjacent_mine_count(26))
self.assertEqual(2, board.adjacent_mine_count(73))
self.assertEqual(1, board.adjacent_mine_count(97))
def test_adjacent_mine_counts_with_a_corner_mine(self):
# M 1 x x x x x x
# 1 1 x x x x x x
# x x x x x x x x
board = Board(beginner, [0], []).open(5)
self.assertCountEqual({
1: 1,
8: 1,
9: 1
}, board.adjacent_mine_counts_for_openmap())
def test_opening_space_with_a_mine_island(self):
# x x x x x x x x
# x x 1 2 2 1 x x
# x x 1 M M 1 x x
# x x 1 2 2 1 x x
# x x x x x x x x
board = Board(beginner, [19, 20], [])
self.assertEqual(0, board.adjacent_mine_count(0))
board = board.open(0)
expected_openmap = set((i for i in range(64))).difference([19, 20])
self.assertCountEqual(expected_openmap, board.openmap)
def test_flagging_a_position_adds_it_to_the_flagmap_or_removes_it_if_its_already_inside(
self):
board = Board(beginner, [1, 2, 3])
self.assertCountEqual([], board.flagmap)
board = board.toggle_flag(1)
self.assertCountEqual([1], board.flagmap)
board = board.toggle_flag(4)
self.assertCountEqual([1, 4], board.flagmap)
board = board.toggle_flag(1)
self.assertCountEqual([4], board.flagmap)
def test_adjacent_mine_counts_with_some_side_mines(self):
# H M M M 1 x x x
# 1 2 3 2 1 x x x
# x x x x x x x x
# The top left corner isn't reachable from the open space, so it shouldn't be opened
board = Board(beginner, [1, 2, 3], []).open(5)
self.assertCountEqual({
4: 1,
8: 1,
9: 2,
10: 3,
11: 2,
12: 1
}, board.adjacent_mine_counts_for_openmap())
def test_adjacent_mine_counts_with_a_mine_island(self):
# x x x x x x x x
# x x 1 2 2 1 x x
# x x 1 M M 1 x x
# x x 1 2 2 1 x x
# x x x x x x x x
board = Board(beginner, [19, 20], []).open(0)
self.assertCountEqual(
{
10: 1,
11: 2,
12: 2,
13: 1,
18: 1,
21: 1,
26: 1,
27: 2,
28: 2,
29: 1
}, board.adjacent_mine_counts_for_openmap())
def test_opening_an_invalid_position_raises_an_exception(self):
board = Board(beginner, [1, 2, 3], [])
with self.assertRaises(InvalidPositionException):
board.open(-1)
with self.assertRaises(InvalidPositionException):
board.open(100000)
def test_adjacent_mine_count_for_mine_islands(self):
# x x x x x
# x 1 1 x x
# x 1 M 1 x
# x 1 1 x x
# x x x x x
board = Board(hexagonal, [50])
# above
self.assertEqual(0, board.adjacent_mine_count(24))
self.assertEqual(1, board.adjacent_mine_count(25))
self.assertEqual(1, board.adjacent_mine_count(26))
self.assertEqual(0, board.adjacent_mine_count(27))
# mine row
self.assertEqual(0, board.adjacent_mine_count(48))
self.assertEqual(1, board.adjacent_mine_count(49))
self.assertEqual(1, board.adjacent_mine_count(51))
self.assertEqual(0, board.adjacent_mine_count(52))
# below
self.assertEqual(0, board.adjacent_mine_count(72))
self.assertEqual(1, board.adjacent_mine_count(73))
self.assertEqual(1, board.adjacent_mine_count(74))
self.assertEqual(0, board.adjacent_mine_count(75))
def test_can_be_built_from_a_minemap(self):
board = Board(beginner, [1, 2, 3])
self.assertIsNone(board.won())
def test_flagging_an_invalid_position_raises(self):
board = Board(beginner, [1, 2, 3])
with self.assertRaises(InvalidPositionException):
board.toggle_flag(-1)
def test_flagging_an_open_position_raises(self):
board = Board(beginner, [1, 2, 3], [4])
with self.assertRaises(AlreadyRevealedException):
board.toggle_flag(4)
def test_opening_a_mine_loses_the_game(self):
board = Board(beginner, [1, 2, 3], [])
self.assertIsNone(board.won())
board = board.open(1)
self.assertFalse(board.won())
def test_opening_an_position_adjacent_to_mines_doesnt_autoopen_other_positions(
self):
board = Board(beginner, [1, 2, 3], [])
self.assertGreater(board.adjacent_mine_count(4), 0)
board = board.open(4)
self.assertCountEqual([4], board.openmap)
def test_adjacent_mine_count_for_empty_squares(self):
board = Board(beginner, [1, 2, 3])
self.assertEqual(0, board.adjacent_mine_count(63))
def test_opening_all_but_the_mines_wins_the_game(self):
board = Board(beginner, [1, 2, 3], (i for i in range(4, 64)))
self.assertIsNone(board.won())
board = board.open(0)
self.assertTrue(board.won())
def test_can_be_built_from_a_minemap_openmap_and_flagmap(self):
board = Board(beginner, [1, 2, 3], [0, 4], [1])
self.assertIsNone(board.won())
