module('Data adapters - Maximum selection length');
var MaximumSelectionLength = require('select2/data/maximumSelectionLength');
var $ = require('jquery'); var Options = require('select2/options'); var Utils = require('select2/utils');
function MaximumSelectionStub () {
this.called = false; this.currentData = [];
}
MaximumSelectionStub.prototype.current = function (callback) {
callback(this.currentData);
};
MaximumSelectionStub.prototype.val = function (val) {
this.currentData.push(val);
};
MaximumSelectionStub.prototype.query = function (params, callback) {
this.called = true;
};
var MaximumSelectionData = Utils.Decorate(
MaximumSelectionStub, MaximumSelectionLength
);
test('0 never displays the notice', function (assert) {
var zeroOptions = new Options({ maximumSelectionLength: 0 }); var data = new MaximumSelectionData(null, zeroOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, zeroOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.val('1'); data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, zeroOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.val('1'); data.val('2'); data.query({ term: '' }); assert.ok(data.called);
});
test('< 0 never displays the notice', function (assert) {
var negativeOptions = new Options({ maximumSelectionLength: -1 }); var data = new MaximumSelectionData(null, negativeOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, negativeOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.val('1'); data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, negativeOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.val('1'); data.val('2'); data.query({ term: '' }); assert.ok(data.called);
});
test('triggers when >= 1 selection' , function (assert) {
var maxOfOneOptions = new Options({ maximumSelectionLength: 1 }); var data = new MaximumSelectionData(null, maxOfOneOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, maxOfOneOptions); data.trigger = function () { assert.ok(true, 'The event should be triggered.'); }; data.val('1'); data.query({ term: '' }); assert.ok(!data.called);
});
test('triggers when >= 2 selections' , function (assert) {
var maxOfTwoOptions = new Options({ maximumSelectionLength: 2 }); var data = new MaximumSelectionData(null, maxOfTwoOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, maxOfTwoOptions); data.trigger = function () { assert.ok(false, 'No events should be triggered'); }; data.val('1'); data.query({ term: '' }); assert.ok(data.called); data = new MaximumSelectionData(null, maxOfTwoOptions); data.trigger = function () { assert.ok(true, 'The event should be triggered.'); }; data.val('1'); data.val('2'); data.query({ term: '' }); assert.ok(!data.called);
});