def test_get_neighbors_count(p1,p2,x,y,l): """ a cell has at most 4 neighbors """ p = (p1,p2) b = board.Board(x,y,l) try: n = b.get_neighbors(p) except AssertionError: assert True else: assert len(n) <= 4
def test_get_area_count(p1,p2,x,y,l): """ area and border around cell is not larger than whole board """ p = (p1,p2) b = board.Board(x,y,l) try: area, border = b.set_start(p) except AssertionError: assert True else: assert len(area) + len(border) <= x*y assert len(area) > 0
def test_set_start_color(p1,p2,x,y,l): """ immediate neighbors of starting cell have same color and the border around them has different colors """ p = (p1,p2) b = board.Board(x,y,l) try: area,border = b.set_start(p) except AssertionError: assert True else: assert all(map(lambda x: b[x] == b[p],area)) assert all(map(lambda x: b[x] != b[p],border))
def test_get_area_twice(p1,p2,x,y,l): """ getting an area twice results in same area """ p = (p1,p2) b = board.Board(x,y,l) try: area1,border1 = b.set_start(p) area2,border2 = b.get_area(area1,border1) except AssertionError: assert True else: assert area1 == area2 assert set(border1) == set(border2)
def test_get_area_after_coloring(p1,p2,c,x,y,l): """ coloring an area results in area with at least same size """ p = (p1,p2) b = board.Board(x,y,l) try: area1,border1 = b.set_start(p) b.set_color(area1,c) except AssertionError: assert True else: area2,border2 = b.get_area(area1,border1) assert len(area2) >= len(area1)
def test_board_creation(x,y,l): """ board is always created with width > 1 height > 1 colors > 2 """ try: a = board.Board(x,y,l) except AssertionError: assert True else: assert a.height > 0 assert a.width > 0 assert len(a.colors) > 1
def test_get_area_size(p1,p2,c,x,y,l): """ area/border display has same size as area/border coordinates """ p = (p1,p2) b = board.Board(x,y,l) try: area,border = b.set_start(p) comp = b.get_complete_area(p) except AssertionError: assert True else: c = filter(lambda x: x is True,concat(comp.area)) assert len(c) == len(area) d = filter(lambda x: x is False,concat(comp.area)) assert len(d) == len(border)
def test_enclosed_area(p1,p2,c,x,y,l):
"""
enclosed area is larger or equal given area, border smaller equal than before,
if components exist they are not empty
"""
p = (p1,p2)
b = board.Board(x,y,l)
try:
area1,border1 = b.set_start(p)
b.set_color(area1,c)
except AssertionError:
assert True
else:
area2,border2 = b.get_area(area1,border1)
area3,border3,c = b.get_enclosed_area(area2,border2,{b[x-1,y-1]})
assert len(area2) <= len(area3)
assert len(border2) >= len(border3)
if c:
assert len(c[0]) > 0
