-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_nqueen.py
167 lines (131 loc) · 5.01 KB
/
test_nqueen.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
import pytest
import time
from utils import print_board, can_t_attack, is_soluce
from backtracking import solve_n_queen_small
from optimal import solve_n_queen_big
from all_soluce import solve_n_queen_all_soluce
def generate_board(size):
return [[0 for _x in range(size)] for _y in range(size)]
# noinspection PyMethodMayBeStatic
class TestUtils:
def get_wrong_board_full(self):
board = [[1, 0, 0, 0],
[0, 1, 0, 0],
[0, 0, 0, 1],
[0, 0, 1, 0]]
return board
def get_board_soluce(self):
board = [[0, 0, 1, 0],
[1, 0, 0, 0],
[0, 0, 0, 1],
[0, 1, 0, 0]]
return board
def get_good_board_not_full(self):
board = [[0, 0, 0, 0],
[1, 0, 0, 0],
[0, 0, 0, 1],
[0, 1, 0, 0]]
return board
def test_print(self, capsys):
board = generate_board(4)
print_board(4, board)
captured = capsys.readouterr()
assert captured.out == " 0 0 0 0\n 0 0 0 0\n 0 0 0 0\n 0 0 0 0\n"
def test_can_t_attack_empty(self):
board = generate_board(4)
assert can_t_attack(4, board)
def test_can_t_attach_soluce(self):
board = self.get_board_soluce()
assert can_t_attack(4, board)
def test_can_t_attack_full(self):
board = self.get_good_board_not_full()
assert can_t_attack(4, board)
def test_can_attack(self):
board = self.get_wrong_board_full()
assert not can_t_attack(4, board)
def test_is_soluce_empty(self):
board = generate_board(4)
is_a_soluce, nb_queen = is_soluce(4, board)
assert not is_a_soluce
assert nb_queen == 0
def test_is_soluce_soluce(self):
board = self.get_board_soluce()
is_a_soluce, nb_queen = is_soluce(4, board)
assert is_a_soluce
assert nb_queen == 4
def test_is_soluce_not_full(self):
board = self.get_good_board_not_full()
is_a_soluce, nb_queen = is_soluce(4, board)
assert not is_a_soluce
assert nb_queen == 3
def test_is_not_soluce(self):
board = self.get_wrong_board_full()
is_a_soluce, nb_queen = is_soluce(4, board)
assert not is_a_soluce
assert nb_queen == 4
# noinspection PyPep8Naming
class TestSmall:
def test_solve_three_x_three(self):
board_size = 3
board = generate_board(board_size)
board, solved = solve_n_queen_small(board_size, board)
assert not solved
def test_solve_four_x_four(self):
board_size = 4
board = generate_board(board_size)
board, solved = solve_n_queen_small(board_size, board)
assert solved
is_a_soluce, nb_queen = is_soluce(board_size, board)
assert is_a_soluce
assert nb_queen == board_size
@pytest.mark.parametrize("board_size", [5, 6, 7, 8, 9, 10])
def test_solve_N_x_N(self, board_size):
board = generate_board(board_size)
board, solved = solve_n_queen_small(board_size, board)
assert solved
is_a_soluce, nb_queen = is_soluce(board_size, board)
assert is_a_soluce
assert nb_queen == board_size
# noinspection PyPep8Naming
class TestMedium:
@pytest.mark.parametrize("board_size", [15, 20])
def test_solve_N_x_N_with_small_func(self, board_size):
board = generate_board(board_size)
t1 = time.time()
board, solved = solve_n_queen_small(board_size, board)
assert solved
t2 = time.time()
print(f"\nTest of size {board_size} took {t2 - t1} seconds to be solved")
is_a_soluce, nb_queen = is_soluce(board_size, board)
assert is_a_soluce
assert nb_queen == board_size
@pytest.mark.parametrize("board_size", [20, 30, 50])
def test_solve_N_x_N(self, board_size):
board = generate_board(board_size)
t1 = time.time()
board, solved = solve_n_queen_big(board_size, board)
assert solved
t2 = time.time()
print(f"\nTest of size {board_size} took {t2 - t1} seconds to be solved")
# noinspection PyPep8Naming
class TestBig:
@pytest.mark.parametrize("board_size", [50, 100])
def test_solve_N_x_N(self, board_size):
board = generate_board(board_size)
t1 = time.time()
board, solved = solve_n_queen_big(board_size, board)
assert solved
t2 = time.time()
print(f"\nTest of size {board_size} took {t2 - t1} seconds to be solved")
# noinspection PyPep8Naming
class TestAllSoluce:
@pytest.mark.parametrize("board_size, nb_soluce",
[(4, 2), (5, 10), (6, 4), (7, 40), (8, 92)])
def test_solve_N_x_N(self, board_size, nb_soluce):
board = generate_board(board_size)
boards = solve_n_queen_all_soluce(board_size, board)
assert len(boards) == nb_soluce
for soluce in boards:
is_a_soluce, nb_queen = is_soluce(board_size, soluce)
assert is_a_soluce
assert nb_queen == board_size