def test_revealing_a_cell_without_mines_around_it_reveals_adjacent_cells_recursively(
board_5_by_5):
board_5_by_5[4][4].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(0, 0)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 0
hidden = HiddenCellState()
empty_with_zero = EmptyCellState(0)
expected_board = [[
empty_with_zero, empty_with_zero, empty_with_zero, empty_with_zero,
empty_with_zero
],
[
empty_with_zero, empty_with_zero, empty_with_zero,
empty_with_zero, empty_with_zero
],
[
empty_with_zero, empty_with_zero, empty_with_zero,
empty_with_zero, empty_with_zero
],
[
empty_with_zero, empty_with_zero, empty_with_zero,
EmptyCellState(1),
EmptyCellState(1)
],
[
empty_with_zero, empty_with_zero, empty_with_zero,
EmptyCellState(1), hidden
]]
assert game.visible_board == expected_board
assert not game.is_over
def test_reveal_cell_returns_updated_game(board_5_by_5):
"""
Since board has no mine, revealing one cell wins the game
"""
minesweeper_game = MinesweeperGame.from_board(board_5_by_5)
game = Game.objects.create_from_minesweeper_game(minesweeper_game)
client = APIClient()
response = client.post(f'/api/minesweeper/{game.id}/reveal_cell/',
data={
'x_position': 0,
'y_position': 0
},
format='json')
assert response.status_code == status.HTTP_200_OK
assert response.data['rows'] == 5
assert response.data['columns'] == 5
assert response.data['mines'] == 0
assert not response.data['was_lost']
assert response.data['was_won']
assert response.data['is_over']
cells = [cell for column in response.data['board'] for cell in column]
assert len(response.data['board']) == 5
assert len(response.data['board'][0]) == 5
assert len(cells) == 25
assert all(cell == '0' for cell in cells[1:])
def test_revealing_a_cell_without_mines_around_it_reveals_adjacent_cells(
board_5_by_5):
board_5_by_5[2][0].add_mine()
board_5_by_5[2][1].add_mine()
board_5_by_5[2][2].add_mine()
board_5_by_5[1][2].add_mine()
board_5_by_5[0][2].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(0, 0)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 0
hidden = HiddenCellState()
expected_board = [[
EmptyCellState(0),
EmptyCellState(2), hidden, hidden, hidden
], [EmptyCellState(2),
EmptyCellState(5), hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden]]
assert game.visible_board == expected_board
assert not game.is_over
def test_revealing_a_cell_without_a_mine_shows_the_number_of_mines_around_it(
board_5_by_5):
board_5_by_5[0][0].add_mine()
board_5_by_5[1][0].add_mine()
board_5_by_5[2][0].add_mine()
board_5_by_5[0][1].add_mine()
board_5_by_5[2][1].add_mine()
board_5_by_5[0][2].add_mine()
board_5_by_5[1][2].add_mine()
board_5_by_5[2][2].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(1, 1)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 8
hidden = HiddenCellState()
empty_with_eight = EmptyCellState(8)
expected_board = [[hidden, hidden, hidden, hidden, hidden],
[hidden, empty_with_eight, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden]]
assert game.visible_board == expected_board
assert not game.is_over
def test_revealing_a_cell_with_a_mine_ends_the_game_as_looser(board_5_by_5):
board_5_by_5[0][0].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(0, 0)
assert isinstance(cell_state, MineCellState)
assert game.is_over
assert game.was_lost
def to_minesweeper_game(self):
board = [[
MinesweeperCell(json_cell['x_position'], json_cell['y_position'],
json_cell['has_mine'], json_cell['is_revealed'],
json_cell['is_flagged']) for json_cell in column
] for column in self.board]
return MinesweeperGame(self.columns, self.rows, self.mines, board,
self.was_won, self.was_lost)
def test_cant_reveal_flagged_cells(board_5_by_5):
board_5_by_5[0][0].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
game.set_flag_on_cell_position(1, 1, is_flagged=True)
with pytest.raises(MinesweeperException) as excinfo:
game.reveal_cell_position(1, 1)
assert str(excinfo.value) == "Can not reveal cell, it is flagged."
assert not game.is_over
def test_cant_flag_cells_when_game_is_over(board_5_by_5):
board_5_by_5[0][0].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(0, 0)
assert isinstance(cell_state, MineCellState)
assert game.is_over
with pytest.raises(MinesweeperException) as excinfo:
game.set_flag_on_cell_position(1, 1, is_flagged=True)
assert str(excinfo.value) == "Cant set flag on cell, the game is over."
def test_player_starts_with_all_cells_hidden(board_5_by_5):
board = board_5_by_5
game = MinesweeperGame.from_board(board)
hidden = HiddenCellState()
expected_board = [[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden]]
assert game.visible_board == expected_board
def test_flagging_a_cell_shows_it_on_the_board(board_5_by_5):
game = MinesweeperGame.from_board(board_5_by_5)
game.set_flag_on_cell_position(1, 1, is_flagged=True)
hidden = HiddenCellState()
expected_board = [[hidden, hidden, hidden, hidden, hidden],
[hidden,
FlaggedCellState(), hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden],
[hidden, hidden, hidden, hidden, hidden]]
assert game.visible_board == expected_board
assert not game.is_over
def test_create_game_makes_a_board_with_correct_dimensions_mine_count_and_all_cells_hidden(
):
columns = 4
rows = 10
expected_mine_count = 5
game = MinesweeperGame.new_game(columns, rows, expected_mine_count)
assert len(game.board) == 4
assert all([len(column) == 10 for column in game.board])
assert not game.is_over
actual_mine_count = 0
for x_position in range(columns):
for y_position in range(rows):
cell = game.get_cell(x_position, y_position)
assert cell.visible_state == HiddenCellState()
if cell.has_mine:
actual_mine_count += 1
assert actual_mine_count == expected_mine_count
def test_cant_flag_revealed_cell(board_5_by_5):
board_5_by_5[0][0].add_mine()
board_5_by_5[1][0].add_mine()
board_5_by_5[2][0].add_mine()
board_5_by_5[0][1].add_mine()
board_5_by_5[2][1].add_mine()
board_5_by_5[0][2].add_mine()
board_5_by_5[1][2].add_mine()
board_5_by_5[2][2].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(1, 1)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 8
with pytest.raises(MinesweeperException) as excinfo:
game.set_flag_on_cell_position(1, 1, is_flagged=True)
assert str(excinfo.value
) == "Cant set flag on cell, the cell is already revealed."
assert not game.is_over
def test_adjacent_cells_of_each_cell_can_be_accessed():
board = [[
MinesweeperCell(x_position, y_position) for y_position in range(4)
] for x_position in range(4)]
game = MinesweeperGame.from_board(board)
cell = game.get_cell(0, 0)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(1, 0), (0, 1), (1, 1)}
cell = game.get_cell(0, 1)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(0, 0), (1, 0), (1, 1), (0, 2), (1, 2)}
cell = game.get_cell(1, 1)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(0, 0), (1, 0), (2, 0), (0, 1), (2, 1), (0, 2),
(1, 2), (2, 2)}
cell = game.get_cell(3, 3)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(2, 2), (3, 2), (2, 3)}
cell = game.get_cell(3, 0)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(2, 0), (2, 1), (3, 1)}
cell = game.get_cell(1, 3)
adjacent_cells = {(adj_cell.x_position, adj_cell.y_position)
for adj_cell in cell.adjacent_cells}
assert adjacent_cells == {(0, 2), (1, 2), (2, 2), (0, 3), (2, 3)}
def create(self, validated_data):
columns = validated_data.get('columns')
rows = validated_data.get('rows')
mines = validated_data.get('mines')
game = MinesweeperGame.new_game(columns=columns, rows=rows, mines=mines)
return Game.objects.create_from_minesweeper_game(game)
def get_board(self, obj):
return MinesweeperGame.get_visible_board_state(obj.board)
def test_cant_create_game_with_more_mines_than_cells():
with pytest.raises(MinesweeperException) as excinfo:
MinesweeperGame.new_game(10, 10, 101)
assert str(excinfo.value) == "The board can not have more mines than cells"
def test_player_wins_the_game_when_all_mines_are_flagged_and_no_other_cells_are_hidden(
board_5_by_5):
board_5_by_5[0][0].add_mine()
board_5_by_5[2][2].add_mine()
board_5_by_5[3][0].add_mine()
game = MinesweeperGame.from_board(board_5_by_5)
cell_state = game.reveal_cell_position(4, 4)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 0
hidden = HiddenCellState()
empty_with_zero = EmptyCellState(0)
expected_board = [[
hidden,
EmptyCellState(1), empty_with_zero, empty_with_zero, empty_with_zero
],
[
hidden,
EmptyCellState(2),
EmptyCellState(1),
EmptyCellState(1), empty_with_zero
],
[
hidden, hidden, hidden,
EmptyCellState(1), empty_with_zero
],
[
hidden,
EmptyCellState(2),
EmptyCellState(1),
EmptyCellState(1), empty_with_zero
],
[
hidden,
EmptyCellState(1), empty_with_zero, empty_with_zero,
empty_with_zero
]]
assert game.visible_board == expected_board
assert not game.is_over
game.set_flag_on_cell_position(2, 2, is_flagged=True)
assert not game.is_over
game.set_flag_on_cell_position(0, 0, is_flagged=True)
assert not game.is_over
cell_state = game.reveal_cell_position(2, 1)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 2
assert not game.is_over
cell_state = game.reveal_cell_position(1, 0)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 1
assert not game.is_over
cell_state = game.reveal_cell_position(2, 0)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 1
assert not game.is_over
game.set_flag_on_cell_position(3, 0, is_flagged=True)
assert not game.is_over
cell_state = game.reveal_cell_position(4, 0)
assert isinstance(cell_state, EmptyCellState)
assert cell_state.adjacent_mines == 1
expected_board = [[
FlaggedCellState(),
EmptyCellState(1), empty_with_zero, empty_with_zero, empty_with_zero
],
[
EmptyCellState(1),
EmptyCellState(2),
EmptyCellState(1),
EmptyCellState(1), empty_with_zero
],
[
EmptyCellState(1),
EmptyCellState(2),
FlaggedCellState(),
EmptyCellState(1), empty_with_zero
],
[
FlaggedCellState(),
EmptyCellState(2),
EmptyCellState(1),
EmptyCellState(1), empty_with_zero
],
[
EmptyCellState(1),
EmptyCellState(1), empty_with_zero, empty_with_zero,
empty_with_zero
]]
assert game.visible_board == expected_board
assert game.is_over
assert game.was_won