From b916808ba743c85b5d90542d6ed7892d4eafd179 Mon Sep 17 00:00:00 2001
From: Yingchi Long <longyingchi24s@ict.ac.cn>
Date: Fri, 18 Apr 2025 09:38:26 +0800
Subject: [PATCH] spec: introduce `getBaseRatios` to retrieve ratios from
 spawn-ed process

---
 src/spec/index.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/spec/index.ts b/src/spec/index.ts
index de5ca6e..a527cba 100644
--- a/src/spec/index.ts
+++ b/src/spec/index.ts
@@ -186,6 +186,13 @@ export const baseRatioFromPath = async (path: string) => {
     return extractBaseRatio(result);
 };
 
+export async function getBaseRatios<T extends ChildProcessByStdio<null | Writable, Readable, Readable>>(proc: T) {
+    const specResultCSVs = (await watchSPEC(proc)).outputFiles["CSV"];
+    assert(specResultCSVs !== undefined && specResultCSVs.length === 1);
+    const specCSV = await fs.promises.readFile(specResultCSVs[0], "utf-8");
+    return extractBaseRatio(parseSPECCSVResultsTable(specCSV));
+}
+
 export interface ParsedResult {
     [key: string]: SPECResultsTable;
 }