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test_minesweeper.py
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test_minesweeper.py
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import unittest
import minesweeper as ms
class TestMinesweeper(unittest.TestCase):
def test_mark_mine(self):
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 2)
# First Cell
sentence.mark_mine((0,1))
self.assertEqual({(0,2), (0,3)}, sentence.cells)
# Second Cell
sentence.mark_mine((0,2))
self.assertEqual({(0,3)}, sentence.cells)
# Cell NOT in sentence
sentence.mark_mine((2,1))
self.assertEqual({(0,3)}, sentence.cells)
# Check mine count
self.assertEqual(0, sentence.count)
def test_mark_safe(self):
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 2)
# First Cell
sentence.mark_safe((0,1))
self.assertEqual({(0,2), (0,3)}, sentence.cells)
# Second Cell
sentence.mark_safe((0,2))
self.assertEqual({(0,3)}, sentence.cells)
# Cell NOT in sentence
sentence.mark_safe((2,1))
self.assertEqual({(0,3)}, sentence.cells)
# Check mine count
self.assertEqual(2, sentence.count)
def test_known_mines(self):
# All are mines
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 3)
self.assertEqual({(0,1), (0,2), (0,3)}, sentence.known_mines())
# Not known
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 2)
self.assertIsNone(sentence.known_mines())
def test_known_safes(self):
# All are safe
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 0)
self.assertEqual({(0,1), (0,2), (0,3)}, sentence.known_safes())
# Not known
sentence = ms.Sentence([(0,1), (0,2), (0,3)], 2)
self.assertIsNone(sentence.known_safes())
def test_get_cell_neighbors(self):
msAi = ms.MinesweeperAI()
# Top-left's neighbor
cell = (0,0)
self.assertEqual(
msAi.get_cell_neighbors(cell, 0)[0],
[(0,1), (1,0), (1,1)]
)
# Top-Right's neighbor
cell = (0,7)
self.assertEqual(
msAi.get_cell_neighbors(cell, 0)[0],
[(0,6), (1,6), (1,7)]
)
# Bottom-Right's neighbor
cell = (7,7)
self.assertEqual(
msAi.get_cell_neighbors(cell, 0)[0],
[(6,6), (6,7), (7,6)]
)
# Bottom-Left's neighbor
cell = (7,0)
self.assertEqual(
msAi.get_cell_neighbors(cell, 0)[0],
[(6,0), (6,1), (7,1)]
)
# Center's neighbor
cell = (4,4)
self.assertEqual(
msAi.get_cell_neighbors(cell, 0)[0],
[(3,3), (3,4), (3,5), (4,3), (4,5), (5,3), (5,4), (5,5)]
)
def test_add_knowledge(self):
# No neighbor mines
msAi = ms.MinesweeperAI()
msAi.add_knowledge((7,0), 0)
self.assertEqual(msAi.knowledge, [])
# All neighbor mines
msAi = ms.MinesweeperAI()
msAi.add_knowledge((7,7), 3)
self.assertEqual(msAi.knowledge, [])
# Unknown
msAi = ms.MinesweeperAI()
msAi.add_knowledge((0,0), 1)
sentence = ms.Sentence([(0,1),(1,0),(1,1)], 1)
self.assertEqual(msAi.knowledge, [sentence])
# Example case
msAi = ms.MinesweeperAI(3, 3)
msAi.add_knowledge((0,0), 1)
msAi.add_knowledge((0,1), 1)
msAi.add_knowledge((0,2), 1)
msAi.add_knowledge((2,1), 2)
sentence = ms.Sentence({(2,0),(2,2)}, 1)
self.assertEqual(msAi.knowledge, [sentence])
def test_make_safe_move(self):
# Have safe moves
msAi = ms.MinesweeperAI(3, 3)
msAi.add_knowledge((0,0), 1)
msAi.add_knowledge((0,1), 1)
msAi.add_knowledge((0,2), 1)
msAi.add_knowledge((2,1), 2)
self.assertIsNotNone(msAi.make_safe_move())
# No safe moves
msAi = ms.MinesweeperAI()
msAi.add_knowledge((7,7), 3)
self.assertIsNone(msAi.make_safe_move())
def test_make_random_move(self):
# Any move
msAi = ms.MinesweeperAI(3, 3)
msAi.add_knowledge((0,0), 1)
msAi.add_knowledge((0,1), 1)
msAi.add_knowledge((0,2), 1)
msAi.add_knowledge((2,1), 2)
move = msAi.make_random_move()
self.assertIsNotNone(move)
if __name__ == "__main__":
unittest.main()