def test_report(self):
command = "PLACE"
command_args = ["4", "4", "NORTH"]
commands.execute(command, command_args)
command = "REPORT"
command_args = None
commands.execute(command, command_args)
def test_place(self):
command = "PLACE"
command_args = ["0", "1", "NORTH"]
commands.execute(command, command_args)
self.assertEqual(0, self.robot.x)
self.assertEqual(1, self.robot.y)
self.assertEqual("NORTH", self.robot.f)
def test_place_invalid_direction(self):
command = "PLACE"
command_args = ["2", "3", "WEST"]
commands.execute(command, command_args)
command = "PLACE"
command_args = ["0", "0", "UP"]
commands.execute(command, command_args)
self.assertEqual("WEST", self.robot.f)
def test_place_invalid_position(self):
command = "PLACE"
command_args = ["0", "1", "NORTH"]
commands.execute(command, command_args)
command = "PLACE"
command_args = ["0", "A", "NORTH"]
commands.execute(command, command_args)
self.assertEqual(1, self.robot.y)
def test_right(self):
command = "PLACE"
command_args = ["2", "3", "EAST"]
commands.execute(command, command_args)
command = "RIGHT"
command_args = None
commands.execute(command, command_args)
self.assertEqual(2, self.robot.x)
self.assertEqual(3, self.robot.y)
self.assertEqual("SOUTH", self.robot.f)
def test_left(self):
command = "PLACE"
command_args = ["4", "1", "NORTH"]
commands.execute(command, command_args)
command = "LEFT"
command_args = None
commands.execute(command, command_args)
self.assertEqual(4, self.robot.x)
self.assertEqual(1, self.robot.y)
self.assertEqual("WEST", self.robot.f)
def test_move(self):
command = "PLACE"
command_args = ["1", "2", "NORTH"]
commands.execute(command, command_args)
command = "MOVE"
command_args = None
commands.execute(command, command_args)
self.assertEqual(1, self.robot.x)
self.assertEqual(3, self.robot.y)
self.assertEqual("NORTH", self.robot.f)
def test_place_missing_params(self):
command = "PLACE"
command_args = ["4", "1", "SOUTH"]
commands.execute(command, command_args)
command = "PLACE"
command_args = None
commands.execute(command, command_args)
self.assertEqual(4, self.robot.x)
self.assertEqual(1, self.robot.y)
self.assertEqual("SOUTH", self.robot.f)
def start_simulation():
''' Start simulator and wait for the next command
'''
signal.signal(signal.SIGTERM, _shutting_down)
signal.signal(signal.SIGINT, _shutting_down)
print('''
#######################################################################
####### ####### # # ###### ####### ###### ####### #######
# # # # # # # # # # # # # #
# # # # # # # # # # # # # #
# # # # ###### # # ###### # # #
# # # # # # # # # # # # #
# # # # # # # # # # # # #
# ####### # # # ####### ###### ####### #
#######################################################################
Enter command as follows:
PLACE X,Y,F: Place robot at (0<=x<5),(0<=y<5) position facing NORTH, EAST, SOUTH or WEST.
Example: PLACE 3,4,WEST
MOVE : Move the toy robot one unit forward in the direction it is currently facing.
LEFT : Rotate the robot 90 degrees left without changing the position of the robot.
RIGHT : Rotate the robot 90 degrees right without changing the position of the robot.
REPORT : Announce the X,Y and F of the robot.
''')
for line in sys.stdin:
valid = re.match(r"(\w+)( (.*))?", line)
if not valid:
print("ERROR: Invalid format for line: ", line)
continue
global first_cmd
if first_cmd and valid.group(1) != "PLACE":
print("ERROR: First command must be PLACE")
continue
else:
first_cmd = False
commands.execute(
valid.group(1),
valid.group(3).split(',') if valid.lastindex > 1 else [])