occulto/test/random.spec.ts

import { describe, expect, it } from "vitest";
import { getRandomBytes } from "../src/index.js";

describe("Random", () => {
  it("Should be able to create random values", async () => {
    const buffer = await getRandomBytes(8);
    expect(buffer).instanceOf(Uint8Array);
    expect(buffer.byteLength).toEqual(8);
  });

  it("Should throw error on empty array", async () => {
    await expect(() =>
      getRandomBytes(0),
    ).rejects.toThrowErrorMatchingSnapshot();
  });

  it("Should throw error on negative bytes", async () => {
    await expect(() =>
      getRandomBytes(-1),
    ).rejects.toThrowErrorMatchingSnapshot();
  });
});