Add SimpleBuilding

stone_age/game_board/interfaces.py

@@ -1 +1,8 @@
 # pylint: disable=unused-argument, duplicate-code
+from typing import Iterable, Optional
+from stone_age.simple_types import Effect
+
+
+class Building:
+    def build(self, resources: Iterable[Effect]) -> Optional[int]:
+        assert False

stone_age/game_board/simple_building.py

@@ -0,0 +1,18 @@
+from typing import Iterable, Optional
+from stone_age.simple_types import Effect
+from stone_age.game_board. interfaces import Building
+
+
+class SimpleBuilding(Building):
+    _required_resources: list[Effect]
+
+    def __init__(self, resources: Iterable[Effect]):
+        assert all(Effect.is_resource(x) for x in resources)
+        self._required_resources = list(resources)
+
+    def build(self, resources: Iterable[Effect]) -> Optional[int]:
+        if not all(Effect.is_resource(x) for x in resources):
+            return None
+        if sorted(self._required_resources) != sorted(resources):
+            return None
+        return sum(Effect.points(x) for x in resources)

stone_age/simple_types.py

@@ -1,5 +1,5 @@
 from __future__ import annotations
-from enum import Enum
+from enum import IntEnum, Enum
 
 
 class PlayerOrder:
@@ -51,7 +51,7 @@ class Location(Enum):
     BUILDING_TILE4 = 24
 
 
-class Effect(Enum):
+class Effect(IntEnum):
     FOOD = 1
     WOOD = 2
     CLAY = 3

test/game_board/test_simple_building

@@ -0,0 +1,25 @@
+import unittest
+from stone_age.simple_types import Effect
+from stone_age.game_board.simple_building import SimpleBuilding
+
+class TestSimpleBuilding(unittest.TestCase):
+    def test_non_resource_use(self) -> None:
+        self.assertRaises(AssertionError, SimpleBuilding, [Effect.WOOD, Effect.FOOD])
+
+    def test_resources_used_once(self) -> None:
+        building = SimpleBuilding([Effect.WOOD, Effect.CLAY])
+        self.assertEqual(building.build([Effect.WOOD, Effect.CLAY]), 7)
+        self.assertIsNone(building.build([Effect.WOOD, Effect.CLAY, Effect.CLAY]))
+        self.assertIsNone(building.build([Effect.WOOD]))
+        self.assertIsNone(building.build([Effect.WOOD, Effect.GOLD]))
+
+    def test_resources_multiset(self) -> None:
+        building = SimpleBuilding([Effect.WOOD, Effect.WOOD, Effect.CLAY])
+        self.assertEqual(building.build([Effect.WOOD, Effect.WOOD, Effect.CLAY]), 10)
+        self.assertIsNone(building.build([Effect.WOOD, Effect.CLAY, Effect.CLAY]))
+        self.assertIsNone(building.build([Effect.WOOD, Effect.CLAY]))
+
+if __name__ == "__main__":
+    unittest.main()
+
+