feat(screener): ai_news scraper (naver finance ticker news)

2026-05-13 23:29:52 +09:00
parent 658ed13571
commit 6ba29599aa
3 changed files with 94 additions and 0 deletions
--- a/stock-lab/tests/test_ai_news_scraper.py
+++ b/stock-lab/tests/test_ai_news_scraper.py
@@ -0,0 +1,55 @@
+import pytest
+from unittest.mock import AsyncMock
+from app.screener.ai_news import scraper
+
+
+SAMPLE_HTML = """
+<html><body>
+<table class="type5"><tbody>
+<tr><td class="title"><a href="/news1">삼성전자, HBM 양산 가시화</a></td><td class="date">2026.05.13 07:30</td></tr>
+<tr><td class="title"><a href="/news2">삼성, 4분기 어닝 쇼크 우려</a></td><td class="date">2026.05.13 06:00</td></tr>
+<tr><td class="title"><a href="/news3">메모리 시장 회복세</a></td><td class="date">2026.05.12 18:00</td></tr>
+</tbody></table>
+</body></html>
+"""
+
+EMPTY_HTML = "<html><body><table class='type5'><tbody></tbody></table></body></html>"
+
+
+def _mk_client(status_code=200, text=SAMPLE_HTML):
+    client = AsyncMock()
+    resp = AsyncMock()
+    resp.status_code = status_code
+    resp.text = text
+    client.get = AsyncMock(return_value=resp)
+    return client
+
+
+@pytest.mark.asyncio
+async def test_fetch_news_success_returns_n_items():
+    client = _mk_client()
+    out = await scraper.fetch_news(client, "005930", n=2)
+    assert len(out) == 2
+    assert out[0]["title"] == "삼성전자, HBM 양산 가시화"
+    assert out[0]["date"] == "2026.05.13 07:30"
+
+
+@pytest.mark.asyncio
+async def test_fetch_news_404_returns_empty():
+    client = _mk_client(status_code=404, text="")
+    out = await scraper.fetch_news(client, "999999", n=5)
+    assert out == []
+
+
+@pytest.mark.asyncio
+async def test_fetch_news_empty_table_returns_empty():
+    client = _mk_client(text=EMPTY_HTML)
+    out = await scraper.fetch_news(client, "005930", n=5)
+    assert out == []
+
+
+@pytest.mark.asyncio
+async def test_fetch_news_n_caps_results():
+    client = _mk_client()
+    out = await scraper.fetch_news(client, "005930", n=2)
+    assert len(out) == 2  # 샘플에 3개 있지만 n=2로 잘림