def test_turn_left(capsys):
icon = icons["turn"]["back_arrow"]
instruction = icons["turn"]["back_instruction"]
rover = Rover("test", direction="N")
rover.left()
output = capsys.readouterr()
assert rover.direction == "W"
assert f"{icon} {rover.name} turning" in output.out
assert f"{instruction} [{rover.direction}]" in output.out
def test_move_backwards(capsys):
icon = icons["move"]["back_arrow"]
instruction = icons["move"]["back_instruction"]
rover = Rover("test", x=0, y=0, direction="N")
rover.mars.grid[1][0] = ""
rover.backwards()
output = capsys.readouterr()
assert rover.direction == "N"
assert rover.position == {"x": 0, "y": 1}
assert f"{icon} {rover.name} moving {instruction}" in output.out
assert f'To: [{rover.position["x"]}, {rover.position["y"]}]' in output.out
def test_edges(capsys):
initial_position = {"x": 0, "y": 0}
message = "Error: Rover can't go over the edges."
rover = Rover("test", direction="N", **initial_position)
rover.forwards()
output = capsys.readouterr()
assert rover.position == initial_position
assert message in output.out
rover = Rover("test", x=0, y=0, direction="W")
rover.forwards()
output = capsys.readouterr()
assert rover.position == initial_position
assert message in output.out
def add_rover(self,
name,
x=defaults["x"],
y=defaults["y"],
direction=defaults["direction"]):
name = name.capitalize()
direction = direction.upper()
if self.grid[y][x]:
raise Exception(f"Error: Can't place {name} at {x}, {y}")
print(f"{name} is landing on Mars!")
rover = Rover(name, x, y, direction, self.mars)
self.rovers.append(rover)
self.grid[y][x] = chars["rover"]
return rover
def test_obstacles(capsys):
initial_position = {"x": 0, "y": 0}
rover = Rover("test", direction="E", **initial_position)
rover.mars.grid[0][1] = chars["rover"]
rover.forwards()
output = capsys.readouterr()
assert rover.position == initial_position
assert "Rover found [1, 0]" in output.out
rover.mars.grid[0][1] = chars["obstacle"]
rover.forwards()
output = capsys.readouterr()
assert rover.position == initial_position
assert "Obstacle found [1, 0]" in output.out
def test_command(capsys):
command = "rfbl"
moving_commands = 0
moving_commands += command.count("f")
moving_commands += command.count("b")
rover = Rover("test", x=0, y=0, direction="N")
rover.mars.grid[0][1] = ""
rover.command(command)
rover.done()
output = capsys.readouterr()
assert rover.direction == "N"
assert rover.position == {"x": 0, "y": 0}
assert isinstance(rover.travel_log, list)
assert len(
rover.travel_log) == moving_commands + 1 # 1 -> Initial log position
assert (
f'Final position: {rover.position["x"]}, {rover.position["y"]} [{rover.direction}]'
in output.out)
def test_create_rover():
rover = Rover("test")
assert rover.name == "test"
assert rover.direction == defaults["direction"]
assert rover.position == {"x": defaults["x"], "y": defaults["y"]}