(agrf) Test get_fingerprint.

Note that the methods getting tested are also modified, let's hope this doesn't break anything -- we are refactoring away this code anyways.

agrf/lib/building/layout.py

@@ -4,6 +4,7 @@
 import functools
 import numpy as np
 from agrf.graphics import LayeredImage, SCALE_TO_ZOOM
+from agrf.graphics.spritesheet import LazyAlternativeSprites
 from agrf.magic import CachedFunctorMixin
 from agrf.utils import unique_tuple
 from agrf.pkg import load_third_party_image
@@ -221,7 +222,11 @@ def sprites(self):
         return unique_tuple((self.sprite,) + self.alternatives + self.sprites_from_child)
 
     def get_fingerprint(self):
-        return {"ground_sprite": self.sprite.get_fingerprint()}
+        if isinstance(self.sprite, LazyAlternativeSprites):
+            fingerprint = self.sprite.get_fingerprint()
+        else:
+            fingerprint = id(self.sprite)
+        return {"ground_sprite": fingerprint}
 
     def get_resource_files(self):
         return self.sprite.get_resource_files()
@@ -461,7 +466,11 @@ def sprites(self):
         return unique_tuple((self.sprite,) + self.sprites_from_child)
 
     def get_fingerprint(self):
-        return {"parent_sprite": self.sprite.get_fingerprint(), "extent": self.extent, "offset": self.offset}
+        if isinstance(self.sprite, LazyAlternativeSprites):
+            fingerprint = self.sprite.get_fingerprint()
+        else:
+            fingerprint = id(self.sprite)
+        return {"parent_sprite": fingerprint, "extent": self.extent, "offset": self.offset}
 
     def get_resource_files(self):
         return self.sprite.get_resource_files()

agrf/lib/building/layout_test.py

@@ -1,5 +1,6 @@
 import grf
 import numpy as np
+import json
 from PIL import Image
 from station.lib import Registers
 from agrf.lib.building.layout import AGroundSprite, ADefaultGroundSprite, AParentSprite, AChildSprite, ALayout
@@ -54,6 +55,10 @@ def test_groundsprite_to_action2():
     assert isinstance(gs1012.to_action2(gs1012.sprites)[0]["sprite"], grf.SpriteRef)
 
 
+def test_groundsprite_fingerprint():
+    json.dumps(gs1012.get_fingerprint())
+
+
 def test_parentsprite():
     assert (temperate_1012 == ps1012.graphics(4, 32).to_image()).all()
 
@@ -66,6 +71,10 @@ def test_parentsprite_to_action2():
     assert isinstance(ps1012.to_action2(ps1012.sprites)[0]["sprite"], grf.SpriteRef)
 
 
+def test_parentsprite_fingerprint():
+    json.dumps(ps1012.get_fingerprint())
+
+
 def test_layout():
     assert (temperate_1012 == l1012.graphics(4, 32).to_image()).all()