import { MiniScript } from './MiniScript';

describe('MiniScriptExtra', () => {
  const ms = () => new MiniScript();

  test('registerFunction 对象扩展', () => {
    const m = new MiniScript();
    m.registerFunction('uni.getSystemInfo', () => {
      return {
        platform: 'ios',
        version: '1.0.0',
        system: '1.0.0',
      };
    });
    expect(m.execute('return uni.getSystemInfo()')).toEqual({
      platform: 'ios',
      version: '1.0.0',
      system: '1.0.0',
    });
  });

  test('数组调用', () => {
    expect(ms().execute('return list[0].value + list[1].array[0].value', {
      list: [
        {
          name: 'a',
          value: 1,
        },
        {
          name: 'b',
          value: 2,
          array: [
            {
              name: 'c',
              value: 3,
            },
            {
              name: 'd',
              value: 4,
            },
          ]
        },
      ]
    })).toEqual(4);
  });
  
  test('数组筛选', () => {
    expect(ms().execute('return list.filter(item => item.type === "fruit").length', {
      list: [
        {
          name: 'apple',
          type: 'fruit',
        },
        {
          name: 'banana',
          type: 'fruit',
        },
        {
          name: 'carrot',
          type: 'vegetable',
        },
      ]
    })).toEqual(2);
  });
});