def test_should_add_object_when_object_within_bounds(self): # noqa: D102
grid = TetrisGrid(10)
# Single element at (5, 5) should fit within wall bounds
layout = Layout([Position(0, 0)])
object = TetrisPiece(layout, Position(5, 5))
grid.add_object(object)
def test_should_should_raise_conflict_exception_when_attempting_to_add_overlapping_object(
self): # noqa: D102
grid = TetrisGrid(10)
layout = Layout([Position(0, 0)])
object = TetrisPiece(layout, Position(5, 5))
grid.add_object(object)
with self.assertRaises(ElementConflictException):
grid.add_object(object)
def test_should_should_raise_out_of_bounds_exception_when_attempting_to_add_object_overlapping_wall(
self): # noqa: D102
grid = TetrisGrid(10)
# Single element at (0, 0) overlaps with floor
layout = Layout([Position(0, 0)])
object = TetrisPiece(layout, Position(0, 0))
with self.assertRaises(ElementOutOfBoundsException):
grid.add_object(object)
def play(self):
"""Play a game of Tetris."""
game_over = False
grid = TetrisGrid(GRID_SIZE)
piece_factory = TetrisPieceFactory()
self.user_interface.render_hello_message()
try:
active_piece = self._add_new_piece_to_grid(grid, piece_factory)
self.user_interface.render_grid(grid)
while not game_over:
grid.remove_object(active_piece)
# Check if piece can be be moved by player in-place
# Get player move and add piece in new position if valid move
moved = False
if grid.object_has_valid_move(active_piece):
movement_type = self.user_interface.get_player_move()
if movement_type is not MovementType.NONE:
moved_piece = active_piece.moved(movement_type)
if grid.can_add_object(moved_piece):
active_piece = moved_piece
moved = True
# Check if piece can be moved down
# Check if piece can still be added after moving downwards after move
# TODO: need to check fractions of downward move when MOVE_UNITS > 1
moved_piece = active_piece.moved_down()
if grid.can_add_object(moved_piece):
active_piece = moved_piece
moved = True
grid.add_object(active_piece)
if not moved:
active_piece = self._add_new_piece_to_grid(
grid, piece_factory)
self.user_interface.render_grid(grid)
except GameOverException as e:
self.user_interface.render_game_over_message(grid)