Tests: Add checksum validation to the postgen datapackage test (#3456)

* Tests: Add checksum validation to the postgen datapackage test

* add a special case for the test world datapackage rather than hidden

* add the test world to the datapackage instead of special casing around it

---------

Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com>

test/general/__init__.py

@@ -2,6 +2,7 @@ from argparse import Namespace
 from typing import List, Optional, Tuple, Type, Union
 
 from BaseClasses import CollectionState, Item, ItemClassification, Location, MultiWorld, Region
+from worlds import network_data_package
 from worlds.AutoWorld import World, call_all
 
 gen_steps = ("generate_early", "create_regions", "create_items", "set_rules", "generate_basic", "pre_fill")
@@ -60,6 +61,10 @@ class TestWorld(World):
     hidden = True
 
 
+# add our test world to the data package, so we can test it later
+network_data_package["games"][TestWorld.game] = TestWorld.get_data_package_data()
+
+
 def generate_test_multiworld(players: int = 1) -> MultiWorld:
     """
     Generates a multiworld using a special Test Case World class, and seed of 0.

test/general/test_ids.py

@@ -1,6 +1,7 @@
 import unittest
 
 from Fill import distribute_items_restrictive
+from worlds import network_data_package
 from worlds.AutoWorld import AutoWorldRegister, call_all
 from . import setup_solo_multiworld
 
@@ -84,3 +85,4 @@ class TestIDs(unittest.TestCase):
                                           f"{loc_name} is not a valid item name for location_name_to_id")
                     self.assertIsInstance(loc_id, int,
                                           f"{loc_id} for {loc_name} should be an int")
+                self.assertEqual(datapackage["checksum"], network_data_package["games"][gamename]["checksum"])