chore: Introduce card factory

tests/conftest.py

@@ -0,0 +1,24 @@
+from typing import Any, Callable, TypeVar
+
+import pytest
+from mypy_extensions import KwArg
+
+from poker.constants import Suit, Value
+from poker.models import Card
+
+T = TypeVar("T")
+Factory = Callable[[KwArg(Any)], T]
+
+
+@pytest.fixture(scope="session")
+def card_factory() -> Factory[Card]:
+    """Get Card object factory."""
+    default = {
+        "suit": Suit.CLUBS,
+        "value": Value.ACE,
+    }
+
+    def factory(**kwargs: Any) -> Card:
+        return Card(**(default | kwargs))
+
+    return factory

tests/test_models.py

@@ -1,28 +1,21 @@
 import pytest
 from pydantic import ValidationError
 
-from poker.constants import Suit, Value
+from poker.constants import Value
 from poker.models import Card, Hand
+from tests.conftest import Factory
 
 
-def test_hand_should_contain_unique_cards() -> None:
+def test_hand_should_contain_unique_cards(card_factory: Factory[Card]) -> None:
+    cards = [
+        Value.ACE,
+        Value.TWO,
+        Value.THREE,
+        Value.FOUR,
+    ]
     with pytest.raises(ValidationError):
         _ = Hand(
-            cards=(
+            cards=tuple(card_factory(value=value) for value in cards + [Value.FOUR])
-                Card(suit=Suit.CLUBS, value=Value.ACE),
-                Card(suit=Suit.CLUBS, value=Value.TWO),
-                Card(suit=Suit.CLUBS, value=Value.THREE),
-                Card(suit=Suit.CLUBS, value=Value.FOUR),
-                Card(suit=Suit.CLUBS, value=Value.FOUR),
-            )
         )
 
-    _ = Hand(
+    _ = Hand(cards=tuple(card_factory(value=value) for value in cards + [Value.FIVE]))
-        cards=(
-            Card(suit=Suit.CLUBS, value=Value.ACE),
-            Card(suit=Suit.CLUBS, value=Value.TWO),
-            Card(suit=Suit.CLUBS, value=Value.THREE),
-            Card(suit=Suit.CLUBS, value=Value.FOUR),
-            Card(suit=Suit.CLUBS, value=Value.FIVE),
-        )
-    )