@jianghujs/jianghu/test/app/common/diffUtil.test.js

Progressive Enterprise Framework

'use strict';
const assert = require('assert');
const diff = require('../../../app/common/diffUtil');

describe('test/app/common/diffUtil.test.js', () => {
  before(() => {
  });
  after(async () => {
  });

  describe('Test app/common/diffUtil.js', () => {
    it('diff by id, should success', async () => {
      const oldList = [
        { id: 1, name: 'a' },
        { id: 2, name: 'b' },
        { id: 3, name: 'c' },
        { id: 4, name: 'd' },
        { id: 5, name: 'e' },
      ];
      const newList = [
        { id: 1, name: 'a' },
        { id: 2, name: 'x' },
        { id: 7, name: 'e' },
      ];
      const expResult = {
        added: [
          { id: 7, name: 'e' },
        ],
        removed: [
          { id: 3, name: 'c' },
          { id: 4, name: 'd' },
          { id: 5, name: 'e' },
        ],
        changed: [
          {
            old: { id: 2, name: 'b' },
            new: { id: 2, name: 'x' },
          },
        ],
      };
      const result = diff(oldList, newList);
      assert.deepEqual(result, expResult);
    });
    it('diff by dataId, should success', async () => {
      const oldList = [
        { id: 1, dataId: 'I', name: 'a' },
        { id: 2, dataId: 'II', name: 'b' },
        { id: 3, dataId: 'III', name: 'c' },
        { id: 4, dataId: 'IV', name: 'd' },
        { id: 5, dataId: 'V', name: 'e' },
      ];
      const newList = [
        { dataId: 'I', name: 'a' },
        { dataId: 'II', name: 'x' },
        { dataId: 'VII', name: 'e' },
      ];
      const expResult = {
        added: [
          { dataId: 'VII', name: 'e' },
        ],
        removed: [
          { id: 3, dataId: 'III', name: 'c' },
          { id: 4, dataId: 'IV', name: 'd' },
          { id: 5, dataId: 'V', name: 'e' },
        ],
        changed: [
          {
            old: { id: 2, dataId: 'II', name: 'b' },
            new: { dataId: 'II', name: 'x' },
          },
        ],
      };
      const result = diff(oldList, newList, 'dataId');
      assert.deepEqual(result, expResult);
    });
  });
});