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#
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-21.
#
from lib20k import game_random, game, save_game
from lib20k import mail
from lib20k.ui import User_Interface
from lib20k.primitives import *
from .unit_test import *
def test_Save_Restore() -> None:
"""Test for save_game.py.
This is a test of the actual savegame feature. We set up
a fake game, save it, restore it, and also try restoring
nonsense. Checked using assertions."""
test_screen = Setup_For_Unit_Test()
demo = game_random.Game_Random(1)
clock = pygame.time.Clock()
game_loop = game.Game(clock=clock,
restore_pos=None,
challenge=MenuCommand.INTERMEDIATE, event=Fake_Events([]),
playback_mode=PlayMode.OFF,
playback_file=None,
record_file=None)
g = game_loop.g
ui = game_loop.ui
assert ui.net == g.net
g.historian_time = 999.0
assert g.net.demo.random() >= -1.0 # check that random numbers can be generated
result = save_game.Save(g, MenuCommand.SAVE9, "test save")
assert result is None
assert g.net.demo.random() >= -1.0
g.historian_time = 123.0
g2 = game_loop.Restore(MenuCommand.SAVE9)
assert g2 != g
assert g2.net != g.net # network reloaded
assert ui.net == g2.net # ui is updated correctly
assert g2.historian_time == 999.0 # value restored correctly
assert g2.net.demo.random() >= -1.0
assert "Game restored" in mail.Get_Messages()
g = g2
# Overwrite save game with nonsense
name = save_game.Make_Save_Name(MenuCommand.SAVE9)
open(name, "wb").write(b"INVALID")
# Try restoring - doesn't work
g2 = game_loop.Restore(MenuCommand.SAVE9)
assert g2 == g # No reload
assert "Error restoring file" in mail.Get_Messages()
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