def test_reader_wrong_input(self): """ Test if reader avoids wrong input and don't crash. """ filename = TestReaderReadRoverStartingPosition.file_path + "test_reader_wrong_input.txt" with reader.Reader(filename) as r: self.assertRaises(ValueError, r.read_upper_right_coordinates)
def test_reader_valid_filename(self): """ Test if reader can open a file correctly. """ filename = TestReader.file_path + "test_init_filename.txt" with reader.Reader(filename) as r: pass self.assertIsNotNone(r.file)
def test_reader_read_direction(self): """ Test if reader gets correct direction from a file that contains 3 1 N information. """ filename = TestReaderReadRoverStartingPosition.file_path + "test_reader_rover_pos.txt" with reader.Reader(filename) as r: x_coord, y_coord, direction = r.read_rover_starting_position() self.assertEqual(direction, 'N')
def test_reader_read_command_line(self):
"""
Test if reader gets correct command list
from a file that contains ABCDEF information.
"""
filename = TestReaderReadRoverCommands.file_path + "test_reader_commands.txt"
with reader.Reader(filename) as r:
commands = r.read_rover_commands()
self.assertEqual(commands, ['A', 'B', 'C', 'D', 'E', 'F'])
def test_reader_read_one_input(self):
"""
Test if reader get correct command from file
with only one command: A.
"""
filename = TestReaderReadRoverCommands.file_path + "test_reader_one_input.txt"
with reader.Reader(filename) as r:
commands = r.read_rover_commands()
self.assertEqual(commands, ['A'])
def test_reader_read_empty_line(self):
"""
Test if reader gets empty list if
line has zero commands.
"""
filename = TestReaderReadRoverCommands.file_path + "test_reader_zero_input.txt"
with reader.Reader(filename) as r:
commands = r.read_rover_commands()
self.assertEqual(commands, [])
def test_has_rover_simulation_not_found(self):
"""
Test if reader correctly peeks next line of
input file to check if there is still content
and fails.
"""
filename = TestReaderHasRoverSim.file_path + "test_2_line_file.txt"
with reader.Reader(filename) as r:
# read a couple of lines
_ = r.file.readline()
_ = r.file.readline()
self.assertEqual(r.has_rover_simulation(), False)
def init_controller_for_test(self):
"""
(TestControllerDoCommand) -> Controller
TestControllerDoCommand auxiliar method to avoid duplicate of code.
This inits x_limit and y_limit to 5.
"""
filename = TestControllerDoCommand.file_path + "test_real_input.txt"
c = controller.Controller(filename)
with reader.Reader(c.filename) as r:
c.x_limit, c.y_limit = r.read_upper_right_coordinates()
return c
def run(self):
"""(Controller) -> NoneType
Executes all lines of input file.
>>> cat input.txt
5 5
1 2 N
LMLMLMLMM
>>> c = Controller("input.txt")
>>> c.run()
1 3 N
"""
with reader.Reader(self.filename) as r:
self.x_limit, self.y_limit = r.read_upper_right_coordinates()
while r.has_rover_simulation():
rover_starting_position = r.read_rover_starting_position()
m_rover = rover.Rover(rover_starting_position)
commands = r.read_rover_commands()
for command in commands:
self.do_command(m_rover, command)
print(self.format_position(m_rover.get_position()))