def test_location_null(self):
# Create the cube without location tracker.
cube = Cube(cube_input=self.cube_input, cube_side_length=2)
try:
cube.get_tracked_location()
raise AssertionError("Error message did not raise.")
except ValueError as error:
assert str(error) == "No Tracked Location"
def _get_location_after_key(key: Key, cube: Cube) -> int:
"""Perform a move on the cube and find the tracked bit.
:param key: Indicate the movement on the cube.
:param cube: The cube object.
:return: The new location of the tracked bit.
"""
cube.shift(key=key)
cube.shift_cubie_content()
return cube.get_tracked_location()
def _check_effective_key(self, key: Key) -> bool:
"""Check if the given key moves the tracked item.
:param key: The possible key that moves the location.
:return: If the key actually moves the item. (Not Equal = True)
"""
# Make a new copy of the cube.
temp_cube = Cube(cube_input="_" * self._cube_size,
cube_side_length=self._side_length,
track_location=self._track_item_location)
# Perform the desired shift.
temp_cube.shift(key=key)
# Return True if the location is changed.
return temp_cube.get_tracked_location() != self._track_item_location
def _get_location(self, key: Key) -> int:
"""Get location of the tracked item after performing a effective key.
:param key: One known effective effective key.
:return: New location of the tracked item.
"""
# Make a new copy of the cube.
temp_cube = Cube(cube_input="_" * self._cube_size,
cube_side_length=self._side_length,
track_location=self._track_item_location)
# Perform the desired shift and shift the content.
temp_cube.shift(key=key)
temp_cube.shift_cubie_content()
# Return the new location of the tracked item.
return temp_cube.get_tracked_location()