weddingsite/__tests__/buildBase64Data.test.js

import buildBase64Data from '../utils/buildBase64Data';

describe('build base 64 function', () => {
  const imageName = 'https://picsum.photos/1307/880';
  const alt = 'test alt';
  it('takes an image name and builds base64 image', async () => {
    const imageData = await buildBase64Data(false, imageName, alt, {});
    expect(imageData).toBeDefined();
    expect(imageData.alt).toEqual(alt);
    expect(imageData.imageProps).toBeDefined();
    expect(imageData.imageProps.blurDataURL).toContain(
      'data:image/jpeg;base64'
    );
    expect(imageData.imageProps.height).toBeGreaterThan(0);
    expect(imageData.imageProps.width).toBeGreaterThan(0);
    expect(imageData.imageProps.src).toContain(imageName);
  });

  it('fails if image not resolved', async () => {
    expect(await buildBase64Data(false, 'Blah', alt, {})).toEqual({});
  });
});