源码快照 @ 2026-09-02 (source-only, 剔除非源码素材)

apps/app/scripts/artifact-spreadsheet.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from "bun:test";
+
+import {
+  parseSpreadsheet,
+  serializeSpreadsheet,
+} from "../src/react-app/domains/session/artifacts/artifact-spreadsheet-model";
+
+describe("artifact spreadsheet model", () => {
+  it("round-trips CSV edits", async () => {
+    const rows = await parseSpreadsheet({ name: "artifact-eval.csv", text: "name,revenue\nAda,10\n" });
+    rows[1]![1] = "11";
+    const output = await serializeSpreadsheet("artifact-eval.csv", rows);
+    expect(output).toEqual({ kind: "text", content: "name,revenue\nAda,11\n" });
+  });
+
+  it("round-trips XLSX edits", async () => {
+    const output = await serializeSpreadsheet("artifact-eval.xlsx", [["name", "revenue"], ["Ada", "10"]]);
+    expect(output.kind).toBe("binary");
+    if (output.kind !== "binary") throw new Error("expected binary");
+    const parsed = await parseSpreadsheet({ name: "artifact-eval.xlsx", data: output.data });
+    expect(parsed.slice(0, 2)).toEqual([["name", "revenue"], ["Ada", "10"]]);
+  });
+});