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#
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-21.
#
import pickle
from lib20k import game_random, config
from lib20k.primitives import *
from lib20k.game_types import *
from . import unit_test
def test_Config() -> None:
"""Test for config.py.
Read, write and recreate the configuration file.
Correctness is checked with assertions.
"""
# Initial configuration
test_screen = unit_test.Setup_For_Unit_Test()
config.Initialise(True) # full reinit
assert config.cfg.mute
assert config.cfg.version == VERSION
assert config.cfg.test == 0
assert config.FILENAME is not None
# Configuration test
config.cfg.test = 1
config.Save()
assert config.cfg.test == 1
config.cfg.test = 2
# Reload (test number goes back)
config.Initialise(False) # reload
assert config.cfg.test == 1
config.cfg.test = 3
# Make invalid version (in a valid file)
my_cfg = pickle.load(open(config.FILENAME, "rb"))
my_cfg.version = "INVALID"
pickle.dump(my_cfg, open(config.FILENAME, "wb"))
config.Initialise(False) # attempt to reload
assert config.cfg.test == 3 # nothing was loaded
assert config.cfg.version == VERSION
# Make non-loadable configuration
open(config.FILENAME, "wb").write(b"INVALID")
config.Initialise(False) # reload
assert config.cfg.mute # mute setting not reloaded (not loadable)
assert config.cfg.test == 3 # nothing was loaded
assert config.cfg.version == VERSION
# Make non-saveable configuration
copy = config.FILENAME
config.FILENAME = None
config.Save() # get exception handler coverage
config.FILENAME = copy
# Back to normal
config.cfg.test = 0
config.Initialise(True)
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