select2/tests/options/width-tests.js

module('Options - Width');

var $ = require('jquery');

var Select2 = require('select2/core');
var select = new Select2($('<select></select>'));

test('string passed as width', function (assert) {
  var $test = $('<select></select>');

  var width = select._resolveWidth($test, '80%');

  assert.equal(width, '80%');
});

test('width from style attribute', function (assert) {
  var $test = $('<select style="width: 50%;"></selct>');

  var width = select._resolveWidth($test, 'style');

  assert.equal(width, '50%');
});

test('width from style returns null if nothing is found', function (assert) {
  var $test = $('<select></selct>');

  var width = select._resolveWidth($test, 'style');

  assert.equal(width, null);
});

test('width from computed element width', function (assert) {
  var $style = $(
    '<style type="text/css">.css-set-width { width: 500px; }</style>'
  );
  var $test = $('<select class="css-set-width"></select>');

  $('#qunit-fixture').append($style);
  $('#qunit-fixture').append($test);

  var width = select._resolveWidth($test, 'element');

  assert.equal(width, '500px');
});

test('resolve gets the style if it is there', function (assert) {
  var $test = $('<select style="width: 20%;"></selct>');

  var width = select._resolveWidth($test, 'resolve');

  assert.equal(width, '20%');
});

test('resolve falls back to element if there is no style', function (assert) {
  var $style = $(
    '<style type="text/css">.css-set-width { width: 500px; }</style>'
  );
  var $test = $('<select class="css-set-width"></select>');

  $('#qunit-fixture').append($style);
  $('#qunit-fixture').append($test);

  var width = select._resolveWidth($test, 'resolve');

  assert.equal(width, '500px');
});

test('computedstyle gets the style if parent is invisible', function (assert) {
  var $style = $(
    '<style type="text/css">.css-set-width { width: 500px; }</style>'
  );
  var $test = $(
    '<div style="display:none;">' +
      '<select class="css-set-width"></select>' +
    '</div>'
  );

  $('#qunit-fixture').append($style);
  $('#qunit-fixture').append($test);

  var width = select._resolveWidth($test.find('select'), 'computedstyle');

  assert.equal(width, '500px');
});