fix(gameplay): scope next-round selection to target round

fupogfakta/tests.py

@@ -226,6 +226,39 @@ class FupOgFaktaExtractionSliceTests(TestCase):
         self.assertEqual(stale_round_question.lies.count(), 0)
         self.assertEqual(stale_round_question.guesses.count(), 0)
 
+    def test_start_next_round_does_not_reuse_previous_round_question_when_category_matches(self):
+        self.session.status = GameSession.Status.SCOREBOARD
+        self.session.save(update_fields=["status"])
+        previous_round_question = RoundQuestion.objects.create(
+            session=self.session,
+            round_number=1,
+            question=self.question_one,
+            correct_answer=self.question_one.correct_answer,
+            mixed_answers=["1989", "1991"],
+        )
+        LieAnswer.objects.create(round_question=previous_round_question, player=self.alice, text="1991")
+        Guess.objects.create(
+            round_question=previous_round_question,
+            player=self.bob,
+            selected_text="1991",
+            is_correct=False,
+            fooled_player=self.alice,
+        )
+
+        result = start_next_round(self.session)
+
+        previous_round_question.refresh_from_db()
+        self.session.refresh_from_db()
+        self.assertEqual(self.session.current_round, 2)
+        self.assertEqual(result.round_question.round_number, 2)
+        self.assertNotEqual(result.round_question.id, previous_round_question.id)
+        self.assertEqual(result.round_question.question_id, self.question_two.id)
+        self.assertEqual(previous_round_question.round_number, 1)
+        self.assertEqual(previous_round_question.question_id, self.question_one.id)
+        self.assertEqual(previous_round_question.mixed_answers, ["1989", "1991"])
+        self.assertEqual(previous_round_question.lies.count(), 1)
+        self.assertEqual(previous_round_question.guesses.count(), 1)
+
     def test_finish_game_moves_scoreboard_transition_into_service(self):
         self.session.status = GameSession.Status.SCOREBOARD
         self.session.save(update_fields=["status"])