Tests: add "EmptyStateCanReachSomething"

test/Reachability.py

@@ -1,30 +0,0 @@
-import unittest
-from argparse import Namespace
-from BaseClasses import MultiWorld
-from worlds.AutoWorld import AutoWorldRegister, call_all
-
-
-class TestBase(unittest.TestCase):
-    _state_cache = {}
-    gen_steps = ["generate_early", "create_regions", "create_items", "set_rules", "generate_basic", "pre_fill"]
-
-    def testAllStateCanReachEverything(self):
-        for game_name, world_type in AutoWorldRegister.world_types.items():
-            if game_name != "Ori and the Blind Forest":  # TODO: fix Ori Logic
-                with self.subTest("Game", game=game_name):
-
-                    world = MultiWorld(1)
-                    world.game[1] = game_name
-                    world.player_name = {1: "Tester"}
-                    world.set_seed()
-                    args = Namespace()
-                    for name, option in world_type.options.items():
-                        setattr(args, name, {1: option.from_any(option.default)})
-                    world.set_options(args)
-                    world.set_default_common_options()
-                    for step in self.gen_steps:
-                        call_all(world, step)
-                    state = world.get_all_state(False)
-                    for location in world.get_locations():
-                        with self.subTest("Location should be reached", location=location):
-                            self.assertTrue(location.can_reach(state))

test/general/TestReachability.py

@@ -0,0 +1,33 @@
+import unittest
+
+from BaseClasses import CollectionState
+from worlds.AutoWorld import AutoWorldRegister
+
+from . import setup_default_world
+
+class TestBase(unittest.TestCase):
+    _state_cache = {}
+    gen_steps = ["generate_early", "create_regions", "create_items", "set_rules", "generate_basic", "pre_fill"]
+
+    def testAllStateCanReachEverything(self):
+        for game_name, world_type in AutoWorldRegister.world_types.items():
+            if game_name != "Ori and the Blind Forest":  # TODO: fix Ori Logic
+                with self.subTest("Game", game=game_name):
+                    world = setup_default_world(world_type)
+                    state = world.get_all_state(False)
+                    for location in world.get_locations():
+                        with self.subTest("Location should be reached", location=location):
+                            self.assertTrue(location.can_reach(state))
+
+    def testEmptyStateCanReachSomething(self):
+        for game_name, world_type in AutoWorldRegister.world_types.items():
+            if game_name != "Archipelago":
+                with self.subTest("Game", game=game_name):
+                    world = setup_default_world(world_type)
+                    state = CollectionState(world)
+                    locations = set()
+                    for location in world.get_locations():
+                        if location.can_reach(state):
+                            locations.add(location)
+                    self.assertGreater(len(locations), 0,
+                                       msg="Need to be able to reach at least one location to get started.")

test/general/__init__.py

@@ -0,0 +1,21 @@
+from argparse import Namespace
+
+from BaseClasses import MultiWorld
+from worlds.AutoWorld import call_all
+
+gen_steps = ["generate_early", "create_regions", "create_items", "set_rules", "generate_basic", "pre_fill"]
+
+
+def setup_default_world(world_type):
+    world = MultiWorld(1)
+    world.game[1] = world_type.game
+    world.player_name = {1: "Tester"}
+    world.set_seed()
+    args = Namespace()
+    for name, option in world_type.options.items():
+        setattr(args, name, {1: option.from_any(option.default)})
+    world.set_options(args)
+    world.set_default_common_options()
+    for step in gen_steps:
+        call_all(world, step)
+    return world