def test_grid_show(self):
_sysout = sys.stdout
sys.stdout = result = io.StringIO()
g = grid.Grid()
g.add_row([1, 2, 3, 4, 5, 6, 7, 8, 9])
g.show()
sys.stdout = _sysout
assert result.getvalue() == "[1, 2, 3, 4, 5, 6, 7, 8, 9]\n"
def test_grid_solved(self):
g = grid.Grid()
g.add_row([7, 0, 9, 4, 0, 2, 3, 8, 0])
g.add_row([6, 0, 3, 0, 0, 0, 0, 5, 0])
g.add_row([0, 8, 0, 0, 0, 5, 0, 0, 0])
g.add_row([0, 0, 4, 2, 1, 8, 0, 9, 0])
g.add_row([0, 0, 0, 6, 0, 4, 0, 0, 0])
g.add_row([0, 7, 0, 5, 3, 9, 4, 0, 0])
g.add_row([0, 0, 0, 1, 0, 0, 0, 4, 0])
g.add_row([0, 9, 0, 0, 0, 0, 5, 0, 3])
g.add_row([0, 4, 5, 9, 0, 7, 1, 0, 8])
assert g.solved() is False
def test_grid_solve_unsolvable(self):
g = grid.Grid()
g.add_row([7, 0, 9, 4, 0, 2, 3, 8, 0])
g.add_row([6, 0, 3, 0, 0, 0, 0, 5, 0])
g.add_row([0, 8, 0, 0, 0, 5, 0, 0, 0])
g.add_row([0, 0, 4, 2, 1, 8, 0, 9, 0])
g.add_row([0, 0, 0, 6, 0, 4, 0, 0, 0])
g.add_row([0, 7, 0, 5, 3, 9, 4, 0, 0])
g.add_row([0, 0, 0, 1, 0, 0, 0, 4, 0])
g.add_row([0, 9, 0, 0, 0, 0, 5, 0, 3])
g.add_row([0, 4, 5, 9, 0, 7, 1, 0, 8])
with pytest.raises(Exception):
g.solve()
def test_grid_add_row_exceptions(self):
g = grid.Grid()
tests = [None, "foo", 1, {"a": 4}, {3, 4, 5}, (3, 4, 5)]
for test in tests:
with pytest.raises(TypeError):
g.add_row(test)
tests = [[1], [1, 2, 3, 4, 5, 6, 7, 8, 8],
[1, 2, 3, 4, 5, 6, 7, 10, 8]]
for test in tests:
with pytest.raises(ValueError):
g.add_row(test)
with pytest.raises(RuntimeError):
# modify the row count internally to quickly verify you can't
# add more than 9 rows
g.rows = [[], [], [], [], [], [], [], [], []]
g.add_row([1, 2, 3, 4, 5, 6, 7, 8, 9])
def test_grid_solve(self):
g = grid.Grid()
g.add_row([0, 5, 4, 9, 6, 0, 0, 3, 8])
g.add_row([0, 0, 0, 0, 0, 0, 4, 0, 0])
g.add_row([7, 0, 2, 3, 5, 4, 0, 6, 9])
g.add_row([0, 7, 0, 0, 9, 3, 0, 0, 0])
g.add_row([4, 0, 0, 0, 0, 0, 0, 0, 2])
g.add_row([0, 0, 0, 6, 2, 0, 0, 4, 0])
g.add_row([6, 4, 0, 1, 8, 9, 3, 0, 5])
g.add_row([0, 0, 3, 0, 0, 0, 0, 0, 0])
g.add_row([8, 2, 0, 0, 3, 5, 6, 9, 0])
g.solve()
assert g.rows[0] == [1, 5, 4, 9, 6, 7, 2, 3, 8]
assert g.rows[1] == [3, 6, 9, 8, 1, 2, 4, 5, 7]
assert g.rows[2] == [7, 8, 2, 3, 5, 4, 1, 6, 9]
assert g.rows[3] == [2, 7, 8, 4, 9, 3, 5, 1, 6]
assert g.rows[4] == [4, 3, 6, 5, 7, 1, 9, 8, 2]
assert g.rows[5] == [9, 1, 5, 6, 2, 8, 7, 4, 3]
assert g.rows[6] == [6, 4, 7, 1, 8, 9, 3, 2, 5]
assert g.rows[7] == [5, 9, 3, 2, 4, 6, 8, 7, 1]
assert g.rows[8] == [8, 2, 1, 7, 3, 5, 6, 9, 4]
def test_grid(self):
g = grid.Grid()
assert g.grid_type == "grid"
def test_grid_add_row(self):
g = grid.Grid()
row = [7, 0, 9, 4, 0, 2, 3, 8, 0]
g.add_row(row)
g.add_row(row)
assert g.rows == [row, row]
import sudoku.grid as grid
g = grid.Grid()
print("Building a grid...")
# puzzle sourced from https://websudoku.com/
g.add_row([0, 5, 4, 9, 6, 0, 0, 3, 8])
g.add_row([0, 0, 0, 0, 0, 0, 4, 0, 0])
g.add_row([7, 0, 2, 3, 5, 4, 0, 6, 9])
g.add_row([0, 7, 0, 0, 9, 3, 0, 0, 0])
g.add_row([4, 0, 0, 0, 0, 0, 0, 0, 2])
g.add_row([0, 0, 0, 6, 2, 0, 0, 4, 0])
g.add_row([6, 4, 0, 1, 8, 9, 3, 0, 5])
g.add_row([0, 0, 3, 0, 0, 0, 0, 0, 0])
g.add_row([8, 2, 0, 0, 3, 5, 6, 9, 0])
g.show()
g.solve()
print("--------- Answer: ---------")
g.show()