lotto-lab: checker 연동 — 추첨 결과 시 purchase 자동 체크 + 가중치 재계산

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/tests/test_integration.py

@@ -0,0 +1,61 @@
+# backend/tests/test_integration.py
+"""checker.py → purchase_manager 연동 통합 테스트"""
+import sys, os
+import sqlite3
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "app"))
+
+import pytest
+from unittest.mock import patch
+
+
+def _make_mem_conn():
+    conn = sqlite3.connect(":memory:")
+    conn.row_factory = sqlite3.Row
+    return conn
+
+
+def test_check_results_triggers_purchase_check():
+    """check_results_for_draw가 purchase 체크도 트리거하는지 검증"""
+    import db
+    import backend.app.purchase_manager as pm
+
+    mem = _make_mem_conn()
+    with patch("db._conn", return_value=mem):
+        db.init_db()
+
+        # 당첨번호 삽입
+        mem.execute(
+            "INSERT INTO draws (drw_no, drw_date, n1, n2, n3, n4, n5, n6, bonus) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+            (1124, "2026-03-28", 1, 2, 3, 4, 5, 6, 7)
+        )
+        mem.execute(
+            "INSERT INTO draws (drw_no, drw_date, n1, n2, n3, n4, n5, n6, bonus) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+            (1125, "2026-04-04", 10, 20, 30, 35, 40, 44, 15)
+        )
+        mem.commit()
+
+        # 1125회차 대상 구매 등록
+        db.add_purchase(
+            draw_no=1125, amount=1000, sets=1,
+            numbers=[[10, 20, 30, 1, 2, 3]],
+            is_real=True, source_strategy="combined",
+        )
+
+    # purchase_manager의 check_purchases_for_draw<61><77><EFBFBD> 직접 호출하여 연동 검증
+    with patch("db._conn", return_value=mem), \
+         patch("backend.app.purchase_manager.get_draw", side_effect=lambda drw: db.get_draw(drw)), \
+         patch("backend.app.purchase_manager.get_purchases", side_effect=lambda **kw: db.get_purchases(**kw)), \
+         patch("backend.app.purchase_manager.update_purchase_results", side_effect=lambda *a, **kw: db.update_purchase_results(*a, **kw)), \
+         patch("backend.app.purchase_manager.upsert_strategy_performance", side_effect=lambda **kw: db.upsert_strategy_performance(**kw)):
+        purchase_count = pm.check_purchases_for_draw(1125)
+
+    assert purchase_count == 1
+
+    # purchase가 체크되었는지 확인
+    with patch("db._conn", return_value=mem):
+        purchases = db.get_purchases(draw_no=1125)
+    assert purchases[0]["checked"] == 1
+    assert purchases[0]["results"][0]["correct"] == 3  # 10, 20, 30 맞음
+
+    mem.close()