Tighten AMSC ops health check

tests/test_ops_amsc_health.py

@@ -0,0 +1,66 @@
+from web.services import ops_api
+
+
+def test_ops_amsc_health_uses_configured_session_header(monkeypatch):
+    captured = {}
+
+    payload = {
+        "code": 200,
+        "data": {
+            "35R/17L": {
+                "RNO": "35R/17L",
+                "OTIME": "2026-05-30 20:03:00",
+                "TDZ_TEMP": "23.6",
+                "MID_TEMP": "-",
+                "END_TEMP": "23.4",
+            }
+        },
+    }
+
+    class FakeResponse:
+        ok = True
+        status_code = 200
+        content = b"{}"
+
+        def json(self):
+            return payload
+
+    def fake_get(url, **kwargs):
+        captured["url"] = url
+        captured["headers"] = kwargs.get("headers") or {}
+        return FakeResponse()
+
+    session_id = "9153$$example-session"
+    monkeypatch.setenv("AMSC_AWOS_BASE_URL", "https://example.test/getWindPlate")
+    monkeypatch.setenv("POLYWEATHER_AMSC_SESSION_ID", session_id)
+    monkeypatch.delenv("POLYWEATHER_AMSC_COOKIE", raising=False)
+    monkeypatch.setattr(ops_api._requests, "get", fake_get)
+
+    result = ops_api._check_amsc_awos_health(timeout=1)
+
+    assert result["ok"] is True
+    assert result["credential_configured"] is True
+    assert result["points"] == 1
+    assert captured["url"].endswith("?cccc=ZSPD")
+    assert captured["headers"]["sessionId"] == session_id
+    assert captured["headers"]["app"] == "AMS"
+
+
+def test_ops_amsc_health_rejects_empty_success_response(monkeypatch):
+    class FakeResponse:
+        ok = True
+        status_code = 200
+        content = b"{}"
+
+        def json(self):
+            return {"code": 200, "data": {}}
+
+    monkeypatch.setenv("AMSC_AWOS_BASE_URL", "https://example.test/getWindPlate")
+    monkeypatch.setenv("POLYWEATHER_AMSC_SESSION_ID", "session")
+    monkeypatch.setattr(ops_api._requests, "get", lambda *args, **kwargs: FakeResponse())
+
+    result = ops_api._check_amsc_awos_health(timeout=1)
+
+    assert result["ok"] is False
+    assert result["status"] == 200
+    assert result["error"] == "empty_or_unauthorized_response"