@enact/ui/internal/selection/tests/selection-specs.js

A collection of simplified unstyled cross-platform UI components for Enact

"use strict";

var _selection = require("../selection");
describe('selection', function () {
  // isSelected
  test('should return true when item strictly equals selection', function () {
    var expected = true;
    var actual = (0, _selection.isSelected)(1, 1);
    expect(actual).toBe(expected);
  });
  test('should return false when item loosely equals selection', function () {
    var expected = false;
    var actual = (0, _selection.isSelected)(0, null);
    expect(actual).toBe(expected);
  });
  test('should return true when selection contains item', function () {
    var expected = true;
    var actual = (0, _selection.isSelected)(1, [1]);
    expect(actual).toBe(expected);
  });
  test('should return false when selection does not contain item', function () {
    var expected = false;
    var actual = (0, _selection.isSelected)(1, [2]);
    expect(actual).toBe(expected);
  });

  // Single mode
  test('should select item when there is no selection in "single" mode', function () {
    var item = 0;
    var selection = null;
    var mode = 'single';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should deselect item when it is selected in "single" mode', function () {
    var item = 0;
    var selection = item;
    var mode = 'single';
    var expected = null;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should select only the new item when another is selected in "single" mode', function () {
    var newItem = 1;
    var selection = 0;
    var mode = 'single';
    var expected = newItem;
    var actual = (0, _selection.select)(mode, newItem, selection);
    expect(actual).toBe(expected);
  });
  test('should return a single item when an array is passed as selected in "single" mode', function () {
    var item = 0;
    var selection = [1];
    var mode = 'single';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should deselect the item when an array is passed as selected in "single" mode', function () {
    var item = 0;
    var selection = [item];
    var mode = 'single';
    var expected = null;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });

  // Radio Mode
  test('should select item when there is no selection in "radio" mode', function () {
    var item = 0;
    var selection = null;
    var mode = 'radio';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should not deselect item when selecting it again in "radio" mode', function () {
    var item = 0;
    var selection = item;
    var mode = 'radio';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should select only the new item when another is selected in "radio" mode', function () {
    var item = 1;
    var selection = 0;
    var mode = 'radio';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should return a single item when an array is passed as selected in "radio" mode', function () {
    var item = 0;
    var selection = [1];
    var mode = 'radio';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should not deselect the item when an array is passed as selected in "radio" mode', function () {
    var item = 0;
    var selection = [item];
    var mode = 'radio';
    var expected = item;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });

  // Multiple mode
  test('should select item when there is no selection in "multiple" mode', function () {
    var item = 0;
    var selection = null;
    var mode = 'multiple';
    var expected = [item];
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toEqual(expected);
  });
  test('should return null when deselecting the only item in "multiple" mode', function () {
    var item = 0;
    var selection = item;
    var mode = 'multiple';
    var expected = null;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should return null when deselecting the only item as an array in "multiple" mode', function () {
    var item = 0;
    var selection = [item];
    var mode = 'multiple';
    var expected = null;
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toBe(expected);
  });
  test('should select new item when there is a selection', function () {
    var item = 1;
    var selection = 0;
    var mode = 'multiple';
    var expected = [0, 1];
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toEqual(expected);
  });
  test('should deselect only item when there is a selection', function () {
    var selection = [0, 1];
    var item = 1;
    var mode = 'multiple';
    var expected = [0];
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toEqual(expected);
  });
  test('should sort selection', function () {
    var selection = [3, 1, 2, 5];
    var item = 0;
    var mode = 'multiple';
    var expected = [0, 1, 2, 3, 5];
    var actual = (0, _selection.select)(mode, item, selection);
    expect(actual).toEqual(expected);
  });
});