inital commit

Overlord-Server/src/fileTransfers.test.ts

@@ -0,0 +1,60 @@
+import { describe, expect, test } from "bun:test";
+import { coerceUploadData, normalizeFileUploadPayload } from "./fileTransfers";
+
+function toBase64(bytes: Uint8Array): string {
+  let binary = "";
+  for (let i = 0; i < bytes.length; i += 1) {
+    binary += String.fromCharCode(bytes[i]);
+  }
+  return btoa(binary);
+}
+
+describe("fileTransfers", () => {
+  test("coerceUploadData handles Uint8Array", () => {
+    const input = new Uint8Array([1, 2, 3]);
+    const out = coerceUploadData(input);
+    expect(out).not.toBeNull();
+    expect(Array.from(out || [])).toEqual([1, 2, 3]);
+  });
+
+  test("coerceUploadData handles ArrayBuffer", () => {
+    const input = new Uint8Array([4, 5, 6]).buffer;
+    const out = coerceUploadData(input);
+    expect(out).not.toBeNull();
+    expect(Array.from(out || [])).toEqual([4, 5, 6]);
+  });
+
+  test("coerceUploadData handles base64 string", () => {
+    const bytes = new Uint8Array([7, 8, 9]);
+    const input = toBase64(bytes);
+    const out = coerceUploadData(input);
+    expect(out).not.toBeNull();
+    expect(Array.from(out || [])).toEqual([7, 8, 9]);
+  });
+
+  test("coerceUploadData rejects invalid data", () => {
+    expect(coerceUploadData(123)).toBeNull();
+  });
+
+  test("normalizeFileUploadPayload fills defaults", () => {
+    const payload = {
+      path: "/tmp/file.txt",
+      data: new Uint8Array([1, 2, 3]),
+      offset: 10,
+      total: 30,
+      transferId: "t-1",
+    };
+    const out = normalizeFileUploadPayload(payload);
+    expect(out).not.toBeNull();
+    expect(out?.path).toBe("/tmp/file.txt");
+    expect(out?.offset).toBe(10);
+    expect(out?.total).toBe(30);
+    expect(out?.transferId).toBe("t-1");
+    expect(Array.from(out?.data || [])).toEqual([1, 2, 3]);
+  });
+
+  test("normalizeFileUploadPayload rejects missing data", () => {
+    const out = normalizeFileUploadPayload({ path: "/tmp/file.txt" });
+    expect(out).toBeNull();
+  });
+});