def test_is_tile_cleaned_clean(self):
""" Test is_tile_cleaned"""
width, height, dirt_amount = (3, 4, 0)
room = pj1.RectangularRoom(width, height, dirt_amount)
# Check all squares are unclean at start, given initial dirt > 1
for x, y in xyrange(width, height):
self.assertTrue(
room.is_tile_cleaned(x, y),
"Unclean tile {} was returned as clean".format((x, y)))
def test_room_dirt_clean(self):
"""
Can fail either because get_dirt_amount is working incorrectly
OR the student is initializing the dirt amount incorrectly
"""
width, height, dirt_amount = (3, 4, 0)
room = pj1.RectangularRoom(width, height, dirt_amount)
for x, y in xyrange(width, height):
self.assertEquals(
room.get_dirt_amount(x, y), dirt_amount,
"Tile {} was not initialized with correct dirt amount".format(
(x, y)))
def test_clean_tile_at_position_PosToPos(self):
""" Test if clean_tile_at_position removes all dirt"""
width, height, dirt_amount = (3, 4, 2)
room = pj1.RectangularRoom(width, height, dirt_amount)
# Clean the tiles and confirm they are marked as clean
for x, y in xyrange(width, height):
room.clean_tile_at_position(
test.Position(x + random.random(), y + random.random()),
dirt_amount - 1)
# using random.random in case there is any issue with specific parts of a tile
for x, y in xyrange(width, height):
self.assertFalse(room.is_tile_cleaned(x, y),
"Unclean tile {} was marked clean".format((x, y)))
def test_get_num_cleaned_tiles_Partial(self):
"Test get_num_cleaned_tiles for cleaning subset of room incompletely"
width, height, dirt_amount = (3, 4, 2)
room = pj1.RectangularRoom(width, height, dirt_amount)
cleaned_tiles = 0
# Clean some tiles
for x, y in xyrange(width - 1, height - 1):
room.clean_tile_at_position(
test.Position(x + random.random(), y + random.random()), 1)
num_cleaned = room.get_num_cleaned_tiles()
self.assertEqual(
num_cleaned, cleaned_tiles,
"Number of clean tiles is incorrect: expected {}, got {}".
format(cleaned_tiles, num_cleaned))
def test_is_position_in_room(self):
"Test is_position_in_room"
width, height, dirt_amount = (3, 4, 2)
room = pj1.RectangularRoom(width, height, dirt_amount)
solution_room = test.RectangularRoom(width, height, dirt_amount)
for x in [0.0, -0.1, width - 0.1, width, width + 0.1]:
for y in [0.0, -0.1, height - 0.1, height, height + 0.1]:
pos = test.Position(x, y)
self.assertEquals(
solution_room.is_position_in_room(pos),
room.is_position_in_room(pos),
"position {},{} is incorrect: expected {}, got {}".format(
x, y, solution_room.is_position_in_room(pos),
room.is_position_in_room(pos)))
def test_get_num_cleaned_tiles_OverClean(self):
"Test cleaning already clean tiles does not increment counter"
width, height, dirt_amount = (3, 4, 2)
room = pj1.RectangularRoom(width, height, dirt_amount)
# clean all of the tiles in the room
for x, y in xyrange(width, height):
room.clean_tile_at_position(
test.Position(x + random.random(), y + random.random()),
dirt_amount)
for x, y in xyrange(width, height):
room.clean_tile_at_position(
test.Position(x + random.random(), y + random.random()), 1)
num_cleaned = room.get_num_cleaned_tiles()
self.assertEqual(
num_cleaned, width * height,
"Number of clean tiles is incorrect: re-cleaning cleaned tiles must not increase number of cleaned tiles"
)
