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gradescope_tests.py
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gradescope_tests.py
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import unittest
import argparse
import sys
import textDisplay
#from myAgents import TimidAgent # student attempt
from solutionAgents import GoldTimidAgent # gold standard agent
from ghostAgents import RandomGhost
from pacman import readCommand, ClassicGameRules, Directions
from collections import namedtuple
# Agent test. With pacman positioned at position (x,y)
# and a current direction of currdir, what is the new
# direction (action)?
# Assumes any ghosts have been appropriately positioned.
LeftTrn = namedtuple('LeftTrnTyp', ('position', 'dir', 'action'))
# danger test. Given pacman, ghost position, scared state (bool), distance
# threshold, and direction from which danger is coming.
InDanger = namedtuple('InDangerTyp',
('pacman', 'ghost', 'scared', 'dist', 'danger'))
# action test. Same types as InDanger, but we add the pacman direction
# as it is relevant to the outcome and change the danger direction to the
# action selected
StatefulAction = namedtuple('StatefulActionTyp',
('pacman', 'pacdir',
'ghost', 'scared',
'dist', 'action'))
# Gradescope modules
import gradescope_utils.autograder_utils.json_test_runner as jsn
import gradescope_utils.autograder_utils.decorators as dec
class testProgram(unittest.TestCase):
# This is poor form, but we want to be able to invoke the test with
# different arguments which we will communicate throught this class
# variable.
argstr = ""
def setUp(self):
"setUp() - Initialize a Pacman board for testing"
# Set up game arguments
self.args = readCommand(self.argstr)
# Initialize the agents
self.studentAgent = self.args['pacman']
self.goldAgent = GoldTimidAgent()
#layout, pacmanAgent, ghostAgents, display, quiet, catchExceptions
self.rules = ClassicGameRules(self.args['timeout'])
self.dist = 3
def initGame(self):
"initGame() - Initialize game, returns game and game state"
game = self.rules.newGame(self.args['layout'],
self.studentAgent,
self.args['ghosts'],
self.args['display'])
# Get game state
return game, game.state
TurnLeftAgentPoints = 30.0
@dec.partial_credit(TurnLeftAgentPoints)
def testTurnLeftAgent(self, set_score=None):
"Ensure left turn behavior when Pacman not in danger"
game, gstate = self.initGame()
ghosts = gstate.getGhostStates()
pacman = gstate.getPacmanState()
# Check left turn behavior at several positions
# We ensure that none of the conditions that would permit TimidAgent
# to change behavior occur.
resultstr = "At (%d,%d) with direction %s: expected %s, not %s"
tests = (
LeftTrn((5, 9), Directions.STOP, Directions.WEST),
LeftTrn((9, 9), Directions.EAST, Directions.NORTH),
LeftTrn((4, 7), Directions.SOUTH, Directions.EAST),
LeftTrn((6, 1), Directions.NORTH, Directions.EAST),
LeftTrn((3, 7), Directions.WEST, Directions.SOUTH),
LeftTrn((1, 2), Directions.SOUTH, Directions.SOUTH)
)
testsN = len(tests)
passed, failed = [], []
for test in tests:
# Set the pacman state
cfg = pacman.configuration
cfg.setPosition(test.position)
cfg.setDirection(test.dir)
# Determine what the next action will be
action = self.studentAgent.getAction(gstate)
goldAction = self.goldAgent.getAction(gstate)
outcome = (resultstr%(test.position[0], test.position[1],
test.dir, action, goldAction))
if action == goldAction:
passed.append(outcome)
else:
failed.append(outcome)
# Determine number of points awarded
set_score(self.TurnLeftAgentPoints -
len(failed) * self.TurnLeftAgentPoints / len(tests))
if len(failed) > 0:
self.fail("Agent should have exhibited TurnLeftAgent behavior.\n" +
"Given a pristine board and only moving the pacman: \n" +
"\n".join(failed))
InDangerPoints = 30.0
@dec.partial_credit(InDangerPoints)
def testInDanger(self, set_score=None):
"Ensure inDanger tests for Pacman in danger work correctly"
game, gstate = self.initGame()
ghost = gstate.getGhostStates()[0] # first ghost
pacman = gstate.getPacmanState()
# Check left turn behavior at several positions
# We ensure that none of the conditions that would permit TimidAgent
# to change behavior occur.
resultstr = "At (%d,%d) with direction %s: expected %s, not %s"
tests = (
# pacman might get eaten
InDanger((1, 1), (3, 1), False, 2, Directions.EAST),
# pacman giving chase to a scared ghost
InDanger((1, 1), (3, 1), True, 3, Directions.STOP),
# not on same row/col
InDanger((3, 3), (4, 2), False, 3, Directions.STOP),
# same row, close enough
InDanger((11, 3), (8, 3), False, 3, Directions.WEST),
# same row too far
InDanger((12, 3), (8, 3), False, 3, Directions.STOP),
# danger from the south
InDanger((3,7), (3,5), False, 2, Directions.SOUTH)
)
# Get agent states and configurations
pacmanState = gstate.getPacmanState()
ghostState = gstate.getGhostStates()[0]
pacmanCfg = pacmanState.configuration
ghostCfg = ghostState.configuration
testN = len(tests)
passed, failed = [], []
scared_time = 10 # Make ghosts scared for N clock ticks
msg = "Pacman at (%d,%d), %s ghost at (%d,%d), reported %s expected %s"
for test in tests:
# Set the pacman and ghost states based on the test
pacmanCfg.setPosition(test.pacman)
ghostCfg.setPosition(test.ghost)
if test.scared:
ghostState.scaredTimer = scared_time
else:
ghostState.scaredTimer = 0
dir = self.studentAgent.inDanger(pacmanState, ghostState)
result = msg%(test.pacman[0], test.pacman[1],
"fleeing" if test.scared else "chasing",
test.ghost[0], test.ghost[1],
dir, test.danger)
if dir == test.danger:
passed.append(result)
else:
failed.append(result)
# Determine number of points awarded
failedN = len(failed)
set_score(self.InDangerPoints -
failedN * self.InDangerPoints / len(tests))
if failedN > 0:
self.fail("Agent reported incorrect inDanger direction:\n" +
"\n".join(failed))
ActionPoints = 20.0
@dec.partial_credit(ActionPoints)
def test_getAction(self, set_score=None):
"""Ensure that getAction() returns expected behaviror
The basic behavior of the agent has already been tested,
the following simply ensures that the action taken based on when
a Pacman might be in danger is correct.
"""
game, gstate = self.initGame()
ghost = gstate.getGhostStates()[0] # first ghost
pacman = gstate.getPacmanState()
# Check left turn behavior at several positions
# We ensure that none of the conditions that would permit TimidAgent
# to change behavior occur.
msg = "Pacman at (%d,%d) traveling %s, %s ghost at (%d,%d), " + \
"getAction: %s, expected %s"
tests = (
# pacman might get eaten
StatefulAction((1, 1), Directions.EAST,
(3, 1), False, 2, Directions.NORTH),
# pacman giving chase to a scared ghost
StatefulAction((2, 1), Directions.EAST,
(3, 1), True, 3, Directions.EAST),
# not on same row/col
StatefulAction((3, 3), Directions.NORTH,
(4, 2), False, 3, Directions.NORTH),
# agent takes available left turn
StatefulAction((3, 3), Directions.EAST,
(4, 2), False, 3, Directions.NORTH),
# same row, close enough
StatefulAction((11, 3), Directions.WEST,
(8, 3), False, 3, Directions.EAST),
# same row too far
StatefulAction((12, 3), Directions.WEST,
(8, 3), False, 3, Directions.WEST),
# danger from the west, forced U-turn
StatefulAction((13,9), Directions.NORTH,
(11, 9), False, 2, Directions.SOUTH),
# same situation giving chase
StatefulAction((13, 9), Directions.NORTH,
(11, 9), True, 2, Directions.WEST)
)
# Get agent states and configurations
pacmanState = gstate.getPacmanState()
ghostState = gstate.getGhostStates()[0]
pacmanCfg = pacmanState.configuration
ghostCfg = ghostState.configuration
testN = len(tests)
passed, failed = [], []
scared_time = 10 # Make ghosts scared for N clock ticks
msg = "Pacman at (%d,%d) moving %s, %s ghost at (%d,%d), getAction: %s expected %s"
for test in tests:
# Set the pacman and ghost states based on the test
pacmanCfg.setPosition(test.pacman)
pacmanCfg.setDirection(test.pacdir)
ghostCfg.setPosition(test.ghost)
if test.scared:
ghostState.scaredTimer = scared_time
else:
ghostState.scaredTimer = 0
dir = self.studentAgent.getAction(gstate)
result = msg%(test.pacman[0], test.pacman[1], test.pacdir,
"fleeing" if test.scared else "chasing",
test.ghost[0], test.ghost[1],
dir, test.action)
if dir != test.action:
failed.append(result)
else:
passed.append(result)
# Determine number of points awarded
failedN = len(failed)
set_score(self.ActionPoints -
failedN * self.ActionPoints / len(tests))
if failedN > 0:
self.fail("Agent reported incorrect getAction direction:\n" +
"\n".join(failed))
if __name__ == "__main__":
# Argument parsing
parser = argparse.ArgumentParser(description = "Test program functionality")
parser.add_argument('--runner', dest="testrunner", choices=['json', 'text'], default='text')
args = parser.parse_known_args()
# Set up test suite
testProgram.argstr = args[1] # test case will use this initiialization
suite = unittest.defaultTestLoader.loadTestsFromTestCase(testProgram)
# Run appropriate test runner
#pdb.set_trace()
jsonfile = '/autograder/results/results.json'
if args[0].testrunner == "json":
#with open(jsonfile, 'w') as f:
with sys.stdout as f:
jsn.JSONTestRunner(verbosity=2, stream=f).run(suite)
else:
unittest.TextTestRunner(verbosity=2).run(suite)