react-virtualized/dist/commonjs/Collection/Section.jest.js

React components for efficiently rendering large, scrollable lists and tabular data

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _Section = _interopRequireDefault(require("./Section"));
describe('Section', function () {
  function helper() {
    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      _ref$height = _ref.height,
      height = _ref$height === void 0 ? 100 : _ref$height,
      _ref$width = _ref.width,
      width = _ref$width === void 0 ? 200 : _ref$width,
      _ref$x = _ref.x,
      x = _ref$x === void 0 ? 0 : _ref$x,
      _ref$y = _ref.y,
      y = _ref$y === void 0 ? 0 : _ref$y;
    return new _Section["default"]({
      height: height,
      width: width,
      x: x,
      y: y
    });
  }
  it('should add a new cell index', function () {
    var section = helper();
    expect(section.getCellIndices()).toEqual([]);
    section.addCellIndex({
      index: 0
    });
    expect(section.getCellIndices()).toEqual([0]);
    section.addCellIndex({
      index: 1
    });
    expect(section.getCellIndices()).toEqual([0, 1]);
  });
  it('should not add a duplicate cell index', function () {
    var section = helper();
    section.addCellIndex({
      index: 0
    });
    section.addCellIndex({
      index: 1
    });
    section.addCellIndex({
      index: 0
    });
    section.addCellIndex({
      index: 1
    });
    section.addCellIndex({
      index: 2
    });
    expect(section.getCellIndices()).toEqual([0, 1, 2]);
  });
  it('should define a working toString() method for debugging', function () {
    var section = helper({
      height: 100,
      width: 200,
      x: 25,
      y: 50
    });
    expect(section.toString()).toEqual('25,50 200x100');
  });
});