sports-miniapp/node_modules/@jimp/plugin-crop/test/crop.test.js

import { Jimp, mkJGD } from '@jimp/test-utils';
import configure from '@jimp/custom';

import crop from '../src';

const jimp = configure({ plugins: [crop] }, Jimp);

describe('crop', () => {
  // 6x5 size
  const testImage = mkJGD('  ◆◆  ', ' ◆▦▦◆ ', '◆▦▦▦▦◆', ' ◆▦▦◆ ', '  ◆◆  ');

  it('full width from top', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(0, 0, 6, 2)
      .getJGDSync()
      .should.be.sameJGD(mkJGD('  ◆◆  ', ' ◆▦▦◆ '));
  });

  it('full width from bottom', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(0, 3, 6, 2)
      .getJGDSync()
      .should.be.sameJGD(mkJGD(' ◆▦▦◆ ', '  ◆◆  '));
  });

  it('full width from middle', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(0, 2, 6, 2)
      .getJGDSync()
      .should.be.sameJGD(mkJGD('◆▦▦▦▦◆', ' ◆▦▦◆ '));
  });

  it('full height from left', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(0, 0, 2, 5)
      .getJGDSync()
      .should.be.sameJGD(mkJGD('  ', ' ◆', '◆▦', ' ◆', '  '));
  });

  it('full height from right', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(4, 0, 2, 5)
      .getJGDSync()
      .should.be.sameJGD(mkJGD('  ', '◆ ', '▦◆', '◆ ', '  '));
  });

  it('full height from middle', async () => {
    const imgSrc = await jimp.read(testImage);

    imgSrc
      .crop(2, 0, 2, 5)
      .getJGDSync()
      .should.be.sameJGD(mkJGD('◆◆', '▦▦', '▦▦', '▦▦', '◆◆'));
  });
});