補齊 AI Smoke 趨勢管理

tests/test_ai_automation_smoke_service.py

@@ -58,3 +58,38 @@ def test_collect_ai_automation_smoke_persists_recent_history(tmp_path, monkeypat
     assert second["history"]["counts"]["ok"] == 2
     assert third["history"]["counts"]["ok"] == 2
     assert len(history_path.read_text(encoding="utf-8").strip().splitlines()) == 2
+
+
+def test_smoke_history_export_and_clear(tmp_path, monkeypatch):
+    from services import ai_automation_smoke_service as smoke
+
+    history_path = tmp_path / "smoke_history.jsonl"
+    history_path.write_text(
+        '{"generated_at":"2026-04-29T01:00:00","status":"ok"}\n'
+        '{"generated_at":"2026-04-29T02:00:00","status":"warning"}\n',
+        encoding="utf-8",
+    )
+    monkeypatch.setattr(smoke, "_HISTORY_PATH", str(history_path))
+
+    export = smoke.export_smoke_history_jsonl()
+    cleared = smoke.clear_smoke_history()
+
+    assert export["count"] == 2
+    assert '"status":"warning"' in export["content"]
+    assert cleared["cleared"] == 2
+    assert not history_path.exists()
+
+
+def test_smoke_history_daily_summary():
+    from services import ai_automation_smoke_service as smoke
+
+    summary = smoke._history_summary([
+        {"generated_at": "2026-04-28T23:00:00", "status": "ok"},
+        {"generated_at": "2026-04-29T01:00:00", "status": "warning"},
+        {"generated_at": "2026-04-29T02:00:00", "status": "critical"},
+    ])
+
+    assert summary["daily"] == [
+        {"date": "2026-04-28", "ok": 1, "warning": 0, "critical": 0, "total": 1},
+        {"date": "2026-04-29", "ok": 0, "warning": 1, "critical": 1, "total": 2},
+    ]