Fix maximumSelectionLength being ignored by closeOnSelect (#5581)
* Rewrote maximumSelectionLength tests to use container These brings the tests in line with other tests which we have, and makes it easier to understand what is actually going on in the tests. This also removes a redundant set of tests where we were testing with => 2 options being allowed. There are no current edge cases that would have required this. * Fix maximumSelectionLength being ignored by closeOnSelect There was a bug where the `maximumSelectionLength` option would not kick in if the `closeOnSelect` option was enabled. Normally, this was enabled by someone in their global configuration, but it could also be seen when somoene selected an option while holding the meta/ctrl/alt keys. This would implicitly enable the `closeOnSelect` behaviour, even when it was not globally enabled, and cause the bug. This fixes that issue by listening to the `select` event which is triggered whenever an option is selected, and triggers the "maximum selected" message based on that event. This should now force the message to be displayed, even when the results did not have to be queried another time. Fixes #3514 Fixes #3860 Closes #5333
This commit is contained in:
Kevin Brown
GitHub
parent
f2d527ea97
commit
2fce8ae6c4
25
src/js/select2/data/maximumSelectionLength.js
vendored
25
src/js/select2/data/maximumSelectionLength.js
vendored
@ -7,10 +7,30 @@ define([
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decorated.call(this, $e, options);
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}
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MaximumSelectionLength.prototype.bind =
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function (decorated, container, $container) {
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var self = this;
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decorated.call(this, container, $container);
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container.on('select', function () {
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self._checkIfMaximumSelected();
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});
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};
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MaximumSelectionLength.prototype.query =
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function (decorated, params, callback) {
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var self = this;
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this._checkIfMaximumSelected(function () {
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decorated.call(self, params, callback);
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});
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};
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MaximumSelectionLength.prototype._checkIfMaximumSelected =
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function (_, successCallback) {
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var self = this;
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this.current(function (currentData) {
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var count = currentData != null ? currentData.length : 0;
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if (self.maximumSelectionLength > 0 &&
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@ -23,7 +43,10 @@ define([
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});
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return;
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}
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decorated.call(self, params, callback);
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if (successCallback) {
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successCallback();
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}
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});
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};
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@ -1,202 +1,152 @@
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module('Data adapters - Maximum selection length');
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var SelectData = require('select2/data/select');
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var MaximumSelectionLength = require('select2/data/maximumSelectionLength');
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var $ = require('jquery');
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var Options = require('select2/options');
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var Utils = require('select2/utils');
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function MaximumSelectionStub () {
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this.called = false;
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this.currentData = [];
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}
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MaximumSelectionStub.prototype.current = function (callback) {
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callback(this.currentData);
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};
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MaximumSelectionStub.prototype.val = function (val) {
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this.currentData.push(val);
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};
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MaximumSelectionStub.prototype.query = function (params, callback) {
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this.called = true;
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};
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var MaximumSelectionData = Utils.Decorate(
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MaximumSelectionStub,
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MaximumSelectionLength
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);
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var MaximumSelectionData = Utils.Decorate(SelectData, MaximumSelectionLength);
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test('0 never displays the notice', function (assert) {
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assert.expect(3);
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var $select = $('#qunit-fixture .multiple');
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var zeroOptions = new Options({
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maximumSelectionLength: 0
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});
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var data = new MaximumSelectionData(null, zeroOptions);
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var container = new MockContainer();
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var data = new MaximumSelectionData($select, zeroOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.bind(container, null);
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data.on('results:message', function () {
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assert.ok(false, 'The message should not be displayed');
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});
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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data = new MaximumSelectionData(null, zeroOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.val('1');
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$select.val(['One']);
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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data = new MaximumSelectionData(null, zeroOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.val('1');
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data.val('2');
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$select.val(['One', 'Two']);
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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});
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test('< 0 never displays the notice', function (assert) {
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assert.expect(3);
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var $select = $('#qunit-fixture .multiple');
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var negativeOptions = new Options({
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maximumSelectionLength: -1
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});
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var data = new MaximumSelectionData(null, negativeOptions);
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var container = new MockContainer();
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var data = new MaximumSelectionData($select, negativeOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.bind(container, null);
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data.on('results:message', function () {
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assert.ok(false, 'The message should not be displayed');
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});
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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data = new MaximumSelectionData(null, negativeOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.val('1');
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$select.val(['One']);
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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data = new MaximumSelectionData(null, negativeOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.val('1');
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data.val('2');
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$select.val(['One', 'Two']);
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data.query({
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term: ''
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}, function () {
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assert.ok(true, 'The results should be queried');
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});
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assert.ok(data.called);
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});
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test('triggers when >= 1 selection' , function (assert) {
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assert.expect(2);
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var $select = $('#qunit-fixture .multiple');
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var maxOfOneOptions = new Options({
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maximumSelectionLength: 1
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});
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var data = new MaximumSelectionData(null, maxOfOneOptions);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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var container = new MockContainer();
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var data = new MaximumSelectionData($select, maxOfOneOptions);
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data.bind(container, null);
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data.on('results:message', function () {
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assert.ok(true, 'The message should be displayed');
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});
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$select.val(['One']);
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data.query({
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term: ''
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}, function () {
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assert.ok(false, 'The results should not be queried');
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});
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assert.ok(data.called);
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data = new MaximumSelectionData(null, maxOfOneOptions);
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data.trigger = function () {
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assert.ok(true, 'The event should be triggered.');
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};
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data.val('1');
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$select.val(['One', 'Two']);
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data.query({
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term: ''
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}, function () {
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assert.ok(false, 'The results should not be queried');
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});
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assert.ok(!data.called);
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});
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test('triggers when >= 2 selections' , function (assert) {
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var maxOfTwoOptions = new Options({
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maximumSelectionLength: 2
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});
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var data = new MaximumSelectionData(null, maxOfTwoOptions);
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test('triggers after selection' , function (assert) {
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assert.expect(1);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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var $select = $('#qunit-fixture .multiple');
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data.query({
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term: ''
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var maxOfOneOptions = new Options({
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maximumSelectionLength: 1
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});
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assert.ok(data.called);
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var container = new MockContainer();
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var data = new MaximumSelectionData($select, maxOfOneOptions);
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data = new MaximumSelectionData(null, maxOfTwoOptions);
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data.bind(container, null);
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data.trigger = function () {
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assert.ok(false, 'No events should be triggered');
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};
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data.val('1');
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data.query({
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term: ''
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data.on('results:message', function () {
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assert.ok(true, 'The message should be displayed');
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});
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assert.ok(data.called);
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$select.val(['One']);
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data = new MaximumSelectionData(null, maxOfTwoOptions);
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data.trigger = function () {
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assert.ok(true, 'The event should be triggered.');
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};
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data.val('1');
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data.val('2');
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data.query({
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term: ''
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container.trigger('select', {
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data: {}
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});
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assert.ok(!data.called);
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});
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