def processFile(self, file_path):
"""
Return an Output file with current Position
:param str file_path: Folder path of Input File
:return: Generates Output File with current Position of Rover.
:raises InputReaderError: if input file instruction is not valid
:raises Exception: if any error is generated
"""
rovers_current_poistion= []
reader = InputReader()
# Read Input File and create a list of instruction to be executed for each Rover
# in list of rovers
set_of_instructions = reader.readFile(file_path)
for instruction in set_of_instructions.roverInstructions:
#create rover object for 1 rover
rover = Rover(set_of_instructions.plateau, instruction.initialPosition)
# run instruction commands for selected rover
rover.processCommands(instruction.movementCommands)
# Append final position of rover in output list
rovers_current_poistion.append(rover.currentPosition.toString())
return rovers_current_poistion
def processFile(self, filePath: str, parser: Parser):
try:
setOfInstructions = parser.parseFile(filePath)
for instruction in setOfInstructions.roverInstructions:
rover = Rover(setOfInstructions.plateau,
instruction.initialPosition)
rover.processCommands(instruction.movementCommands)
print(rover.currentPosition.toString())
except ParsingError as error:
print(error)
except ValueError as error:
print(error)
def test_RoverCanMoveToPosition(self):
"""
test to check X- Y coordinates and Orientation changes when rover is given command to move
:return:
"""
# Given
initialPosition = RoverPosition(2, 2, 'N')
plateau = Plateau(5, 5)
movementCommands = ['M','R','M','L','M']
rover = Rover(plateau, initialPosition)
# When
rover.processCommands(movementCommands)
# Then
expectedFinalPosition = '3 4 N'
self.assertEqual(rover.currentPosition.toString() ,expectedFinalPosition)
def test_CannotMoveRoverOutOfPlateau(self):
"""
test to check validation error is raised when current X- Y coordinates of rover is
outside plateau dimesnion
:return:
"""
# Given
initialPosition = RoverPosition(2, 2, 'N')
plateau = Plateau(3, 3)
movementCommands = ['M', 'M', 'M']
rover = Rover(plateau, initialPosition)
# Then
self.assertRaises(ValueError, rover.processCommands, movementCommands)
expected_error = 'rover cannot be driven out of plateau area'
try:
# check that correct error message is reported when plateau dimension is not correct
rover.processCommands(movementCommands)
except Exception as error:
self.assertTrue(expected_error in str(error))
