import { describe, expect, it } from "vitest";
import { computeReconnectDelay } from "../../lib/useConnectionRetry.ts";

describe("connection retry delay", () => {
  it("uses exponential backoff with bounded jitter", () => {
    expect(computeReconnectDelay(1, 2000, 8000, () => 0.5)).toBe(2000);
    expect(computeReconnectDelay(2, 2000, 8000, () => 0)).toBe(3600);
    expect(computeReconnectDelay(2, 2000, 8000, () => 1)).toBe(4400);
  });

  it("never exceeds the configured cap", () => {
    expect(computeReconnectDelay(8, 2000, 8000, () => 1)).toBe(8000);
  });
});