def run():
"""
Bootstraps the application.
"""
dispatcher = Dispatcher()
input_file_path = sys.argv[1] if len(sys.argv) > 1 else None
if input_file_path:
try:
with open(input_file_path, "r") as f:
for cmd in f:
response = dispatcher.dispatch(cmd)
except FileNotFoundError:
logger.error("No such file: {}".format(input_file_path))
else:
cmd = None
while True:
cmd = input()
if cmd:
if cmd == 'exit':
break
else:
response = dispatcher.dispatch(cmd)
class TestParkingLot(unittest.TestCase):
def setUp(self):
self.dispatcher = Dispatcher()
def tearDown(self):
self.dispatcher = None
def test_1_parse_cmd(self):
cmd = "CMD_{}".format(str(uuid4()))
cmd_key, parsed_data = parse(cmd)
self.assertIsNone(
cmd_key,
msg="{} is invalid command, command key must be null".format(cmd))
self.assertIsNone(
parsed_data,
msg="{} is invalid command, command info must be null".format(cmd))
cmd = "status"
cmd_key, parsed_data = parse(cmd)
self.assertIsNotNone(
cmd_key,
msg="{} is valid command, command key must not be null".format(
cmd))
self.assertIsNotNone(
parsed_data,
msg="{} is valid command, command info must not be null".format(
cmd))
def test_2_check_if_parking_lot_available(self):
cmd = "status"
response = self.dispatcher.dispatch(cmd)
if not response.success:
self.assertEqual(response.error,
ErrorConstant.NO_PARKING_LOT_FOUND)
def test_3_create(self):
size = 7
response = self.create_parking_lot(size=size)
self.assertEqual(size, int(response.data.get('size', 0)))
def test_4_park(self):
c_response = self.create_parking_lot(size=5)
self.assertTrue(c_response.success)
for i in range(0, 7):
# PARKING_LOT_OVERFLOW
p_response = self.dispatcher.dispatch(
"park DL-3C-909{} GREY".format(i))
if not p_response.success:
self.assertIn(p_response.error,
(ErrorConstant.PARKING_LOT_OVERFLOW,
ErrorConstant.NO_PARKING_LOT_FOUND,
ErrorConstant.SLOT_OCCUPIED,
ErrorConstant.VEHICLE_IS_ALREADY_PARKED))
c_response = self.create_parking_lot(size=5)
self.assertTrue(c_response.success)
for i in range(0, 5):
# VEHICLE_IS_ALREADY_PARKED
p_response = self.dispatcher.dispatch("park DL-3C-9010 GREY")
if not p_response.success:
self.assertIn(p_response.error,
(ErrorConstant.PARKING_LOT_OVERFLOW,
ErrorConstant.NO_PARKING_LOT_FOUND,
ErrorConstant.SLOT_OCCUPIED,
ErrorConstant.VEHICLE_IS_ALREADY_PARKED))
def test_5_leave(self):
c_response = self.create_parking_lot(size=5)
self.assertTrue(c_response.success)
reg_nums = ["DL-3C-9070", "DL-3C-9071"]
for reg_num in reg_nums:
self.dispatcher.dispatch("park {} GREY".format(reg_num))
for slot_num in range(1, 7):
l_res = self.dispatcher.dispatch("leave {}".format(slot_num))
if not l_res.success:
self.assertEqual(l_res.error,
ErrorConstant.INVALID_SLOT,
msg="Invalid slot")
else:
reg_num = l_res.data.get('reg_num', None)
self.assertEqual(reg_num, reg_nums[slot_num - 1])
def test_6_reg_nums_by_color(self):
c_response = self.create_parking_lot(size=5)
self.assertTrue(c_response.success)
col_reg_nums_mapping = {
'White': {'park DL-3C-9090', 'park DL-3C-9091', 'park DL-3C-9092'},
'Black': {'park DL-3C-9080', 'park DL-3C-9081'}
}
for col, reg_nums in col_reg_nums_mapping.items():
for reg_num in reg_nums:
self.dispatcher.dispatch("park {} {}".format(reg_num, col))
for col in ['White', 'Black', 'Grey']:
response = self.dispatcher.dispatch(
'registration_numbers_for_cars_with_colour {}'.format(col))
fetched_reg_nums = set(response.data.get('reg_nums', []))
if fetched_reg_nums and len(fetched_reg_nums) > 0:
self.assertSetEqual(fetched_reg_nums,
col_reg_nums_mapping.get(col, {}))
def test_7_slot_nums_by_color(self):
c_response = self.create_parking_lot(size=7)
self.assertTrue(c_response.success)
col_slot_nums_mapping = {'White': {'1', '2', '3'}, 'Black': {'4', '5'}}
for col, slot_nums in col_slot_nums_mapping.items():
for slot_num in slot_nums:
self.dispatcher.dispatch("park DL-3C-909{} {}".format(
slot_num, col))
for col in ['White', 'Black', 'Grey']:
response = self.dispatcher.dispatch(
'slot_numbers_for_cars_with_colour {}'.format(col))
fetched_slot_nums = set(response.data.get('slot_nums', []))
if fetched_slot_nums and len(fetched_slot_nums) > 0:
self.assertSetEqual(fetched_slot_nums,
col_slot_nums_mapping.get(col, {}))
def test_8_slot_num_by_reg_num(self):
c_response = self.create_parking_lot(size=7)
self.assertTrue(c_response.success)
reg_nums = ["DL-3C-9017", "DL-3C-9071", "DL-3C-9072", "DL-3C-9018"]
for reg_num in reg_nums:
self.dispatcher.dispatch("park {} GREY".format(reg_num))
for reg_num in [
"DL-3C-9017", "DL-3C-9071", "INVALID_REG_NUM1",
"INVALID_REG_NUM2"
]:
res = self.dispatcher.dispatch(
'slot_number_for_registration_number {}'.format(reg_num))
if not res.success:
self.assertIsNone(res.data.get('slot_num', None))
def create_parking_lot(self, size=5):
cmd = "create_parking_lot {}".format(str(size))
response = self.dispatcher.dispatch(cmd)
return response