import { describe, it, expect } from 'vitest';
import { dataUrlToBlob } from '../src/background/screenshot';

describe('Screenshot capture', () => {
  it('converts a data URL to a Blob', async () => {
    const dataUrl = 'data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEASABIAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCAABAAEDASIAAhEBAxEB/8QAFAABAAAAAAAAAAAAAAAAAAAACf/EABQQAQAAAAAAAAAAAAAAAAAAAAD/xAAUAQEAAAAAAAAAAAAAAAAAAAAA/8QAFBEBAAAAAAAAAAAAAAAAAAAAAP/aAAwDAQACEQMRAD8AJQAB/9k=';

    const blob = await dataUrlToBlob(dataUrl);
    expect(blob).toBeInstanceOf(Blob);
    expect(blob.type).toBe('image/jpeg');
    expect(blob.size).toBeGreaterThan(0);
  });

  it('returns Blob type not string', async () => {
    const dataUrl = 'data:image/jpeg;base64,/9j/4AAQSkZJRg==';
    const blob = await dataUrlToBlob(dataUrl);
    expect(typeof blob).not.toBe('string');
    expect(blob).toBeInstanceOf(Blob);
  });
});