module('Data adapters - Array'); 
var ArrayData = require('select2/data/array'); 
var $ = require('jquery'); 
var Options = require('select2/options'); 
var arrayOptions = new Options({ 
data: [{ 
id: 'default',
text: 'Default'}
, { 
id: '1',
text: 'One'}
, { 
id: '2',
text: '2'}
] }
); 
var nestedOptions = new Options({ 
data: [{ 
text: 'Default',
children: [{ 
text: 'Next',
children: [{ 
id: 'a',
text: 'Option'}
] }
] }
] }
); 
test('current gets default for single', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, arrayOptions); 
data.current(function (val){ 
assert.equal(_AN_Read_length('length', val), 1, 'There should always be a selected item for array data.'); 
var item = val[0]; 
assert.equal(item.id, 'default', 'The first item should be selected'); 
} 
); 
} 
); 
test('current gets default for multiple', function (assert){ 
var $select = $('#qunit-fixture .multiple'); 
var data = new ArrayData($select, arrayOptions); 
data.current(function (val){ 
assert.equal(_AN_Read_length('length', val), 0, 'There should be no default selection.'); 
} 
); 
} 
); 
test('current works with existing selections', function (assert){ 
var $select = $('#qunit-fixture .multiple'); 
var data = new ArrayData($select, arrayOptions); 
$select.val(['One'] ); 
data.current(function (val){ 
assert.equal(_AN_Read_length('length', val), 1, 'There should only be one existing selection.'); 
var option = val[0]; 
assert.equal(option.id, 'One', 'The id should be equal to the value of the option tag.'); 
assert.equal(option.text, 'One', 'The text should be equal to the text of the option tag.'); 
} 
); 
} 
); 
test('current works with selected data', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, arrayOptions); 
data.select({ 
id: '2',
text: '2'}
); 
data.current(function (val){ 
assert.equal(_AN_Read_length('length', val), 1, 'There should only be one option selected.'); 
var option = val[0]; 
assert.equal(option.id, '2', 'The id should match the original id from the array.'); 
assert.equal(option.text, '2', 'The text should match the original text from the array.'); 
} 
); 
} 
); 
test('select works for single', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, arrayOptions); 
assert.equal($select.val(), 'default', 'There should already be a selection'); 
data.select({ 
id: '1',
text: 'One'}
); 
assert.equal($select.val(), '1', 'The selected value should be the same as the selected id'); 
} 
); 
test('multiple sets the value', function (assert){ 
var $select = $('#qunit-fixture .multiple'); 
var data = new ArrayData($select, arrayOptions); 
assert.equal($select.val(), null ); 
data.select({ 
id: 'default',
text: 'Default'}
); 
assert.deepEqual($select.val(), ['default'] ); 
} 
); 
test('multiple adds to the old value', function (assert){ 
var $select = $('#qunit-fixture .multiple'); 
var data = new ArrayData($select, arrayOptions); 
$select.val(['One'] ); 
assert.deepEqual($select.val(), ['One'] ); 
data.select({ 
id: 'default',
text: 'Default'}
); 
assert.deepEqual($select.val(), ['One', 'default'] ); 
} 
); 
test('option tags are automatically generated', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, arrayOptions); 
assert.equal(_AN_Read_length('length', $select.find('option')), 3, 'An <option> element should be created for each object'); 
} 
); 
test('optgroup tags can also be generated', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, nestedOptions); 
assert.equal(_AN_Read_length('length', $select.find('option')), 1, 'An <option> element should be created for the one selectable object'); 
assert.equal(_AN_Read_length('length', $select.find('optgroup')), 2, 'An <optgroup> element should be created for the two with children'); 
} 
); 
test('optgroup tags have the right properties', function (assert){ 
var $select = $('#qunit-fixture .single-empty'); 
var data = new ArrayData($select, nestedOptions); 
var $group = $select.children('optgroup'); 
assert.equal($group.prop('label'), 'Default', 'An `<optgroup>` label should match the text property'); 
assert.equal(_AN_Read_length('length', $group.children()), 1, 'The <optgroup> should have one child under it'); 
} 
);