feat(realestate): 매물 수집(국토부 실거래[합법]+네이버 호가[폴백])

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EqCYBhvTcdeCTUDX3RhWx9

realestate-lab/tests/test_listing_collector.py

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+from unittest.mock import patch
+
+def test_parse_molit_rent_fields():
+    from app.listing_collector import _parse_molit_rent
+    raw = {"aptNm": "OO아파트", "excluUseAr": "42.5", "deposit": "43,000",
+           "monthlyRent": "0", "dealYear": "2026", "dealMonth": "5", "floor": "5"}
+    d = _parse_molit_rent(raw, "아파트")
+    assert d["complex_name"] == "OO아파트" and d["area"] == 42.5
+    assert d["deposit"] == 43000 and d["deal_type"] == "전세" and d["deal_ym"] == "202605"
+
+def test_parse_naver_article_fields():
+    from app.listing_collector import _parse_naver_article
+    raw = {"articleNo": "A123", "tradeTypeName": "전세", "dealOrWarrantPrc": "2억 9,000",
+           "areaName": "42", "area2": "42.5", "floorInfo": "5/15", "articleName": "OO아파트",
+           "buildingName": "OO", "cortarNo": "1159010100"}
+    d = _parse_naver_article(raw)
+    assert d["article_no"] == "A123" and d["deal_type"] == "전세" and d["deposit"] == 29000
+    assert d["source"] == "naver"
+
+def test_collect_naver_block_sets_naver_ok_false(monkeypatch):
+    """네이버 403 → 매물수집 skip + naver_ok=False, 실거래는 계속."""
+    from app import listing_collector as lc
+    monkeypatch.setattr(lc, "_fetch_molit_all", lambda: 2)      # 실거래 2건 저장됨 가정
+    def boom(*a, **k):
+        import requests
+        raise requests.RequestException("403")
+    monkeypatch.setattr(lc, "_fetch_naver_all", boom)
+    r = lc.collect_listings()
+    assert r["naver_ok"] is False   # 안전마진(실거래)은 유지