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nk20/static/vendor/select2/tests/integration/dom-changes.js

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2020-02-25 21:15:46 +00:00
module('DOM integration');
test('adding a new unselected option changes nothing', function (assert) {
// Any browsers which support mutation observers will not trigger the event
var expected = 4;
if (window.MutationObserver) {
expected = 2;
} else if (!window.addEventListener) {
expected = 2;
}
assert.expect(expected);
var asyncDone = null;
var syncDone = assert.async();
if (expected != 2) {
asyncDone = assert.async();
}
var $ = require('jquery');
var Options = require('select2/options');
var Select2 = require('select2/core');
var $select = $(
'<select>' +
'<option>One</option>' +
'<option>Two</option>' +
'</select>'
);
$('#qunit-fixture').append($select);
var select = new Select2($select);
select.on('selection:update', function (args) {
assert.equal(
args.data.length,
1,
'There was more than one selection'
);
assert.equal(
args.data[0].id,
'One',
'The selection changed to something other than One'
);
if (expected != 2) {
asyncDone();
}
});
assert.equal(
$select.val(),
'One'
);
var $option = $('<option>Three</option>');
$select.append($option);
assert.equal(
$select.val(),
'One'
);
syncDone();
});
test('adding a new selected option changes the value', function (assert) {
// handle IE 8 not being supported
var expected = 4;
if (!window.MutationObserver && !window.addEventListener) {
expected = 2;
}
assert.expect(expected);
var asyncDone = null;
var syncDone = assert.async();
if (expected != 2) {
asyncDone = assert.async();
}
var $ = require('jquery');
var Options = require('select2/options');
var Select2 = require('select2/core');
var $select = $(
'<select>' +
'<option>One</option>' +
'<option>Two</option>' +
'</select>'
);
$('#qunit-fixture').append($select);
var select = new Select2($select);
select.on('selection:update', function (args) {
assert.equal(
args.data.length,
1,
'There was more than one selection'
);
assert.equal(
args.data[0].id,
'Three',
'The selection did not change to Three'
);
if (expected != 2) {
asyncDone();
}
});
assert.equal(
$select.val(),
'One'
);
var $option = $('<option selected>Three</option>');
$select.append($option);
assert.equal(
$select.val(),
'Three'
);
syncDone();
});
test('removing an unselected option changes nothing', function (assert) {
// Any browsers which support mutation observers will not trigger the event
var expected = 4;
if (!window.MutationObserver && !window.addEventListener) {
expected = 2;
}
assert.expect(expected);
var asyncDone = null;
var syncDone = assert.async();
if (expected != 2) {
asyncDone = assert.async();
}
var $ = require('jquery');
var Options = require('select2/options');
var Select2 = require('select2/core');
var $select = $(
'<select>' +
'<option>One</option>' +
'<option>Two</option>' +
'</select>'
);
$('#qunit-fixture').append($select);
var select = new Select2($select);
select.on('selection:update', function (args) {
assert.equal(
args.data.length,
1,
'There was more than one selection'
);
assert.equal(
args.data[0].id,
'One',
'The selection changed to something other than One'
);
if (expected != 2) {
asyncDone();
}
});
assert.equal(
$select.val(),
'One'
);
$select.children().eq(1).remove();
assert.equal(
$select.val(),
'One'
);
syncDone();
});
test('removing a selected option changes the value', function (assert) {
// handle IE 8 not being supported
var expected = 3;
if (!window.MutationObserver && !window.addEventListener) {
expected = 2;
}
assert.expect(expected);
var asyncDone = null;
var syncDone = assert.async();
if (expected != 2) {
asyncDone = assert.async();
}
var $ = require('jquery');
var Options = require('select2/options');
var Select2 = require('select2/core');
var $select = $(
'<select>' +
'<option>One</option>' +
'<option>Two</option>' +
'</select>'
);
$('#qunit-fixture').append($select);
var select = new Select2($select);
select.on('selection:update', function (args) {
assert.equal(
args.data.length,
1,
'There was more than one selection'
);
if (expected != 2) {
asyncDone();
}
});
assert.equal(
$select.val(),
'One'
);
$select.children().eq(0).remove();
assert.equal(
$select.val(),
'Two'
);
syncDone();
});