[V10.321] 修正 Telegram HTML br 發送格式

tests/test_telegram_triaged_alert_format.py

@@ -1,4 +1,41 @@
-from services.telegram_templates import triaged_alert
+from services import telegram_templates
+from services.telegram_templates import _sanitize_telegram_html, triaged_alert
+
+
+def test_telegram_html_sanitizer_converts_br_tags_to_newlines():
+    msg = _sanitize_telegram_html("第一行<br>第二行<br/>第三行<BR />第四行")
+
+    assert "<br" not in msg.lower()
+    assert msg == "第一行\n第二行\n第三行\n第四行"
+    assert _sanitize_telegram_html("第一行<br>第二行", parse_mode=None) == "第一行<br>第二行"
+
+
+def test_send_telegram_with_result_sanitizes_html_payload(monkeypatch):
+    sent_payloads = []
+
+    class Response:
+        ok = True
+        status_code = 200
+        text = "ok"
+
+    def fake_post(url, json=None, timeout=None):
+        sent_payloads.append({"url": url, "json": json, "timeout": timeout})
+        return Response()
+
+    monkeypatch.setattr(telegram_templates, "_get_bot_token", lambda: "telegram-token")
+    monkeypatch.setattr("requests.post", fake_post)
+
+    result = telegram_templates.send_telegram_with_result(
+        "第一行<br>第二行<br/>第三行",
+        chat_ids=[101, 202],
+        parse_mode="HTML",
+    )
+
+    assert result["ok"] is True
+    assert result["sent"] == 2
+    assert [item["json"]["chat_id"] for item in sent_payloads] == [101, 202]
+    assert all(item["json"]["text"] == "第一行\n第二行\n第三行" for item in sent_payloads)
+    assert all(item["json"]["parse_mode"] == "HTML" for item in sent_payloads)
 
 
 def test_ea_escalation_uses_structured_incident_brief():