def testWorldAssertions(self):
try:
world.assertRobotsAt(8, 8)
fail("No Robots")
except NoRobots:
pass
world.assertBeepersAt(0, 0, 0)
try:
world.assertBeepersAt(0, 0, 1)
fail("Not enough beepers")
except NoBeepers:
pass
world.assertRobotsAt(5, 5)
world.placeBeepers(3, 3, 3)
world.assertBeepersAt(3, 3, 0)
world.assertBeepersAt(3, 3, 1)
world.assertBeepersAt(3, 3, 3)
try:
world.assertBeepersAt(3, 3, 4)
fail("Not enough beepers")
except NoBeepers:
pass
try:
world.assertBeepersAt(3, 3, infinity)
fail("Not enough beepers")
except NoBeepers:
pass
world.placeBeepers(3, 3, infinity) #infinite
world.assertBeepersAt(3, 3, infinity)
world.assertBeepersAt(3, 3, 0)
world.assertBeepersAt(3, 3, 3)
def testInfiniteBeepersInWorld(self):
"Infinite beepers in world"
world.placeBeepers(5, 5, infinity)
self.karel.pickBeeper()
self.assertEqual( world._beepers[(5,5)], infinity, "World lacks infinite beepers")
self.karel.putBeeper()
self.assertEqual( world._beepers[(5,5)], infinity, "World lacks infinite beepers")
def testPickBeeper(self):
"Picking beepers and putting them again"
world.placeBeepers(5, 5, 3)
self.assertNoBeepersInBeeperBag(self.karel)
self.karel.pickBeeper()
self.assertBeepersInBeeperBag(self.karel)
self.karel.pickBeeper()
self.assertEqual( self.karel._UrRobot__beepers, 2, "Wrong number of beepers")
self.karel.putBeeper()
self.assertEqual( self.karel._UrRobot__beepers, 1, "Wrong number of beepers")
self.karel.putBeeper()
self.assertNoBeepersInBeeperBag(self.karel)
def testRobotPredicates(self):
"Validate all of the predicates in class Robot"
self.karel = Robot(5, 5, North, 0) # has to be a Robot here
self.assertEqual(self.karel.anyBeepersInBeeperBag(), 0)
self.assertEqual(self.karel.nextToABeeper(), 0)
self.assertEqual(self.karel.facingNorth(), 1)
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 0)
self.assertEqual(self.karel.frontIsClear(), 1)
martha = UrRobot(5, 5, North, 0)
self.assertEqual(self.karel.nextToARobot(), 1)
world.placeWallNorthOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingNorth(), 0)
self.assertEqual(self.karel.facingWest(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 4)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingWest(), 0)
self.assertEqual(self.karel.facingSouth(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallNorthOf(4, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
self.karel.turnLeft()
self.assertEqual(self.karel.facingSouth(), 0)
self.assertEqual(self.karel.facingEast(), 1)
self.assertEqual(self.karel.frontIsClear(), 1)
world.placeWallEastOf(5, 5)
self.assertEqual(self.karel.frontIsClear(), 0)
charlie = Robot(12, 12, North, 1)
rosie = UrRobot(12, 12, East, 0)
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
charlie.putBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 0)
charlie.pickBeeper()
self.assertEqual(charlie.anyBeepersInBeeperBag(), 1)
self.assertEqual(charlie.nextToARobot(), 1)
charlie.move()
charlie.move()
self.assertEqual(charlie.nextToARobot(), 0)
self.assertNoBeepersAt(9, 9)
world.placeBeepers(9, 9, 1)
self.assertBeepersAt(9, 9)