feat: refactor file operations and add utility functions for file management

src/__tests__/fileops.test.ts

@@ -0,0 +1,47 @@
+import { describe, it, expect } from "vitest";
+import {
+  listFiles,
+  createOrUpdateFile,
+  deleteFile,
+  renameFile,
+} from "../utils/fileops.js";
+
+function makeClient(overrides: any = {}) {
+  return {
+    get: async (u: string) => ({ status: 200, data: { data: overrides.getData || [] } }),
+    put: async (u: string, p: any) => ({ status: overrides.putStatus || 200, data: { ok: true } }),
+    delete: async (u: string, opts: any) => ({ status: overrides.deleteStatus || 200, data: {} }),
+    patch: async (u: string, p: any) => ({ status: overrides.patchStatus || 200, data: {} }),
+  };
+}
+
+describe("fileops", () => {
+  it("lists files", async () => {
+    const client = makeClient({ getData: [{ id: "1", name: "a.txt" }] });
+    const files = await listFiles(client, "fn1");
+    expect(files).toHaveLength(1);
+    const file = files[0];
+    expect(file).toHaveProperty("id");
+    expect(file.id).toBe("1");
+    // Accept either `name` or `filename` depending on API shape
+    expect(file.name || file.filename).toBe("a.txt");
+  });
+
+  it("creates or updates a file", async () => {
+    const client = makeClient({ putStatus: 201 });
+    const res = await createOrUpdateFile(client, "fn1", "a.txt", "hello");
+    expect(res).toBeDefined();
+  });
+
+  it("deletes a file", async () => {
+    const client = makeClient({ deleteStatus: 200 });
+    const ok = await deleteFile(client, "fn1", "file1");
+    expect(ok).toBe(true);
+  });
+
+  it("renames a file", async () => {
+    const client = makeClient({ patchStatus: 200 });
+    const res = await renameFile(client, "fn1", "file1", "b.txt");
+    expect(res).toBeDefined();
+  });
+});