import { createMockNative, setMockNative } from './mocks';
import { DfuNitro } from '../singleton';
import { DfuNitroManager } from '../manager';

describe('DfuNitro singleton', () => {
  beforeEach(() => {
    setMockNative(createMockNative());
    // Reset the private singleton between tests
    (DfuNitro as any)._instance = undefined;
  });

  it('returns a DfuNitroManager instance', () => {
    const instance = DfuNitro.instance();
    expect(instance).toBeInstanceOf(DfuNitroManager);
  });

  it('returns the same instance on subsequent calls', () => {
    const a = DfuNitro.instance();
    const b = DfuNitro.instance();
    expect(a).toBe(b);
  });
});