def test_make_random_board():
for _ in range(NTESTS_LIFE):
nrows = random.randint(4, 7)
ncols = nrows + random.randint(-2, 2)
p = random.random()
b = m.make_random_board(nrows, ncols, p)
assert type(b) is list # check that b is a list
assert len(b) == nrows
for r in range(nrows):
assert type(b[r]) is list
assert len(b[r]) == ncols
for r in range(nrows):
for c in range(ncols):
assert b[r][c] == 0 or b[r][c] == 1
# Make a new board. All values should be 1.
b = m.make_random_board(nrows, ncols, 1.0)
for r in range(nrows):
for c in range(ncols):
assert b[r][c] == 1
# Make a new board. All values should be 0.
b = m.make_random_board(nrows, ncols, 0.0)
for r in range(nrows):
for c in range(ncols):
assert b[r][c] == 0
def test_display_board_sums():
for _ in range(NTESTS_LIFE):
nrows = random.randint(4, 7)
ncols = nrows + random.randint(-2, 2)
p = random.random()
b = m.make_random_board(nrows, ncols, p)
s = m.display_board_sums(b)
assert type(s) is str
for char in s:
assert char in '012345678+-|\n'
lines = s.split('\n') # break on newlines
assert len(lines) == nrows + 3
assert lines[-1] == '' # last line was the extra newline at the end
lines.pop() # get rid of the last line
first = lines.pop(0) # first line; part of the surrounding box
last = lines.pop() # last line; part of the surrounding box
first = first.rstrip() # in case there are trailing blanks
last = last.rstrip() # in case there are trailing blanks
assert len(first) == ncols + 2
assert first[0] == '+' and first[-1] == '+'
for i in range(1, ncols + 1):
assert first[i] == '-'
assert len(last) == ncols + 2
assert last[0] == '+' and last[-1] == '+'
for i in range(1, ncols + 1):
assert last[i] == '-'
for line in lines:
line = line.rstrip()
assert len(line) == ncols + 2
assert line[0] == '|'
assert line[-1] == '|'
for char in line[1:-1]:
assert char in '012345678'
def test_board_to_num():
for _ in range(NTESTS_LIFE):
nrows = random.randint(4, 7)
ncols = nrows + random.randint(-2, 2)
p = random.random()
b = m.make_random_board(nrows, ncols, p)
n = m.board_to_num(b)
assert type(n) is int
assert n >= 0
def test_board_sums():
for _ in range(NTESTS_LIFE):
nrows = random.randint(4, 7)
ncols = nrows + random.randint(-2, 2)
p = random.random()
b = m.make_random_board(nrows, ncols, p)
b2 = copy.deepcopy(b)
sums = m.board_sums(b)
assert type(sums) is list
assert len(sums) == nrows
for r in range(len(b)):
assert type(sums[r]) is list
assert len(sums[r]) == ncols
for r in range(len(sums)):
row = sums[r]
for c in range(len(row)):
val = row[c]
assert type(val) is int
assert val >= 0 and val <= 8
# Make sure the input board is unchanged.
assert b == b2
# Make a new board.
# Fill the board with 1s; sums should all be 8.
b = m.make_random_board(nrows, ncols, 1.0)
sums = m.board_sums(b)
for r in range(nrows):
for c in range(ncols):
assert sums[r][c] == 8
# Make a new board.
# Fill the board with 0s; sums should all be 0.
b = m.make_random_board(nrows, ncols, 0.0)
sums = m.board_sums(b)
for r in range(nrows):
for c in range(ncols):
assert sums[r][c] == 0
def test_board_update():
for _ in range(NTESTS_LIFE):
nrows = random.randint(4, 7)
ncols = nrows + random.randint(-2, 2)
p = random.random()
b = m.make_random_board(nrows, ncols, p)
copy_b = copy.deepcopy(b)
b2 = m.board_update(b)
assert type(b2) is list
assert len(b2) == nrows
for r in range(len(b)):
assert type(b2[r]) is list
assert len(b2[r]) == ncols
for r in range(nrows):
for c in range(ncols):
assert b[r][c] == 0 or b[r][c] == 1
# Check that b wasn't modified when creating b2.
assert b == copy_b