Misago/misago/frontend/test/tests/ordered-list.js

QUnit.test("OrderedList stores and returns items", function(assert) {
  var list = new Misago.OrderedList();

  assert.equal(list.has('invalid_key'), false, "list.has() returned false for nonexisting key");

  list.add('valid_key', 'valid_value');
  assert.ok(list.has('valid_key'), "list.has() returned true for existing key");
  assert.equal(list.get('valid_key'), 'valid_value', "list.get() returned value for existing key");

  assert.equal(list.get('invalid_key', 'fallback'), 'fallback', "list.get() returned fallback value for nonexisting key");
});

QUnit.test("OrderedList orders and returns items", function(assert) {
  var list = new Misago.OrderedList();

  list.add('apple', 'apple');
  list.add('banana', 'banana');
  list.add('orange', 'orange');
  list.add('kiwi', 'kiwi', {before: 'banana'});
  list.add('melon', 'melon', {after: 'potato'});
  list.add('potato', 'potato');

  var unordered_list = list.values();

  assert.equal(list.is_ordered, false, "list.values() didn't set is_ordered flag on list");

  assert.equal(unordered_list[0], 'apple', 'unordered_list[0] is apple');
  assert.equal(unordered_list[1], 'banana', 'unordered_list[1] is banana');
  assert.equal(unordered_list[2], 'orange', 'unordered_list[2] is orange');
  assert.equal(unordered_list[3], 'kiwi', 'unordered_list[3] is kiwi');
  assert.equal(unordered_list[4], 'melon', 'unordered_list[4] is melon');
  assert.equal(unordered_list[5], 'potato', 'unordered_list[5] is potato');

  var ordered_list = list.order();

  assert.ok(list.is_ordered, "list.order() set is_ordered flag on list");

  assert.equal(ordered_list[0], 'apple', 'ordered_list[0] is apple');
  assert.equal(ordered_list[1], 'kiwi', 'ordered_list[1] is kiwi');
  assert.equal(ordered_list[2], 'banana', 'ordered_list[2] is banana');
  assert.equal(ordered_list[3], 'orange', 'ordered_list[3] is orange');
  assert.equal(ordered_list[4], 'potato', 'ordered_list[4] is potato');
  assert.equal(ordered_list[5], 'melon', 'ordered_list[5] is melon');
});