feat: basic function

tests/test_evaluator.py

@@ -0,0 +1,33 @@
+import unittest
+
+from texas_holdem.cards import Card
+from texas_holdem.evaluator import evaluate
+
+
+def cards(values: str) -> list[Card]:
+    return [Card.parse(value) for value in values.split()]
+
+
+class EvaluatorTests(unittest.TestCase):
+    def test_straight_flush_beats_four_of_a_kind(self) -> None:
+        straight_flush = evaluate(cards("Ah Kh Qh Jh Th 2c 3d"))
+        quads = evaluate(cards("As Ac Ad Ah Kc 2d 3s"))
+
+        self.assertGreater(straight_flush, quads)
+        self.assertEqual(straight_flush.name, "straight_flush")
+
+    def test_wheel_straight_is_ranked_as_five_high(self) -> None:
+        value = evaluate(cards("Ah 2c 3d 4s 5h Kc Qd"))
+
+        self.assertEqual(value.name, "straight")
+        self.assertEqual(value.ranks, (5,))
+
+    def test_two_pair_uses_kicker(self) -> None:
+        ace_kicker = evaluate(cards("Ah Ac Kd Ks Qh 2c 3d"))
+        jack_kicker = evaluate(cards("As Ad Kh Kc Jh 2d 3s"))
+
+        self.assertGreater(ace_kicker, jack_kicker)
+
+
+if __name__ == "__main__":
+    unittest.main()