gitlab-org--gitlab-foss/spec/javascripts/gl_dropdown_spec.js

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/* eslint-disable no-param-reassign */
import $ from 'jquery';
import GLDropdown from '~/gl_dropdown';
import '~/lib/utils/common_utils';
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describe('glDropdown', function describeDropdown() {
preloadFixtures('static/gl_dropdown.html');
loadJSONFixtures('static/projects.json');
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const NON_SELECTABLE_CLASSES =
'.divider, .separator, .dropdown-header, .dropdown-menu-empty-item';
const SEARCH_INPUT_SELECTOR = '.dropdown-input-field';
const ITEM_SELECTOR = `.dropdown-content li:not(${NON_SELECTABLE_CLASSES})`;
const FOCUSED_ITEM_SELECTOR = `${ITEM_SELECTOR} a.is-focused`;
const ARROW_KEYS = {
DOWN: 40,
UP: 38,
ENTER: 13,
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ESC: 27,
};
let remoteCallback;
const navigateWithKeys = function navigateWithKeys(direction, steps, cb, i) {
i = i || 0;
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if (!i) direction = direction.toUpperCase();
$('body').trigger({
type: 'keydown',
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which: ARROW_KEYS[direction],
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keyCode: ARROW_KEYS[direction],
});
i += 1;
if (i <= steps) {
navigateWithKeys(direction, steps, cb, i);
} else {
cb();
}
};
const remoteMock = function remoteMock(data, term, callback) {
remoteCallback = callback.bind({}, data);
};
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function initDropDown(hasRemote, isFilterable, extraOpts = {}) {
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const options = Object.assign(
{
selectable: true,
filterable: isFilterable,
data: hasRemote ? remoteMock.bind({}, this.projectsData) : this.projectsData,
search: {
fields: ['name'],
},
text: project => project.name_with_namespace || project.name,
id: project => project.id,
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},
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extraOpts,
);
this.dropdownButtonElement = $(
'#js-project-dropdown',
this.dropdownContainerElement,
).glDropdown(options);
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}
beforeEach(() => {
loadFixtures('static/gl_dropdown.html');
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this.dropdownContainerElement = $('.dropdown.inline');
this.$dropdownMenuElement = $('.dropdown-menu', this.dropdownContainerElement);
this.projectsData = getJSONFixture('static/projects.json');
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});
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afterEach(() => {
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$('body').off('keydown');
this.dropdownContainerElement.off('keyup');
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});
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it('should open on click', () => {
initDropDown.call(this, false);
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expect(this.dropdownContainerElement).not.toHaveClass('show');
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this.dropdownButtonElement.click();
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expect(this.dropdownContainerElement).toHaveClass('show');
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});
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it('escapes HTML as text', () => {
this.projectsData[0].name_with_namespace = '<script>alert("testing");</script>';
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initDropDown.call(this, false);
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this.dropdownButtonElement.click();
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expect($('.dropdown-content li:first-child').text()).toBe('<script>alert("testing");</script>');
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});
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it('should output HTML when highlighting', () => {
this.projectsData[0].name_with_namespace = 'testing';
$('.dropdown-input .dropdown-input-field').val('test');
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initDropDown.call(this, false, true, {
highlight: true,
});
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this.dropdownButtonElement.click();
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expect($('.dropdown-content li:first-child').text()).toBe('testing');
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expect($('.dropdown-content li:first-child a').html()).toBe(
'<b>t</b><b>e</b><b>s</b><b>t</b>ing',
);
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});
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describe('that is open', () => {
beforeEach(() => {
initDropDown.call(this, false, false);
this.dropdownButtonElement.click();
});
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it('should select a following item on DOWN keypress', () => {
expect($(FOCUSED_ITEM_SELECTOR, this.$dropdownMenuElement).length).toBe(0);
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const randomIndex = Math.floor(Math.random() * (this.projectsData.length - 1)) + 0;
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navigateWithKeys('down', randomIndex, () => {
expect($(FOCUSED_ITEM_SELECTOR, this.$dropdownMenuElement).length).toBe(1);
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expect($(`${ITEM_SELECTOR}:eq(${randomIndex}) a`, this.$dropdownMenuElement)).toHaveClass(
'is-focused',
);
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});
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});
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it('should select a previous item on UP keypress', () => {
expect($(FOCUSED_ITEM_SELECTOR, this.$dropdownMenuElement).length).toBe(0);
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navigateWithKeys('down', this.projectsData.length - 1, () => {
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expect($(FOCUSED_ITEM_SELECTOR, this.$dropdownMenuElement).length).toBe(1);
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const randomIndex = Math.floor(Math.random() * (this.projectsData.length - 2)) + 0;
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navigateWithKeys('up', randomIndex, () => {
expect($(FOCUSED_ITEM_SELECTOR, this.$dropdownMenuElement).length).toBe(1);
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expect(
$(
`${ITEM_SELECTOR}:eq(${this.projectsData.length - 2 - randomIndex}) a`,
this.$dropdownMenuElement,
),
).toHaveClass('is-focused');
});
});
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});
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it('should click the selected item on ENTER keypress', () => {
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expect(this.dropdownContainerElement).toHaveClass('show');
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const randomIndex = Math.floor(Math.random() * (this.projectsData.length - 1)) + 0;
navigateWithKeys('down', randomIndex, () => {
const visitUrl = spyOnDependency(GLDropdown, 'visitUrl').and.stub();
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navigateWithKeys('enter', null, () => {
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expect(this.dropdownContainerElement).not.toHaveClass('show');
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const link = $(`${ITEM_SELECTOR}:eq(${randomIndex}) a`, this.$dropdownMenuElement);
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expect(link).toHaveClass('is-active');
const linkedLocation = link.attr('href');
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if (linkedLocation && linkedLocation !== '#') {
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expect(visitUrl).toHaveBeenCalledWith(linkedLocation);
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}
});
});
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});
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it('should close on ESC keypress', () => {
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expect(this.dropdownContainerElement).toHaveClass('show');
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this.dropdownContainerElement.trigger({
type: 'keyup',
which: ARROW_KEYS.ESC,
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keyCode: ARROW_KEYS.ESC,
});
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expect(this.dropdownContainerElement).not.toHaveClass('show');
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});
});
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describe('opened and waiting for a remote callback', () => {
beforeEach(() => {
initDropDown.call(this, true, true);
this.dropdownButtonElement.click();
});
it('should show loading indicator while search results are being fetched by backend', () => {
const dropdownMenu = document.querySelector('.dropdown-menu');
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expect(dropdownMenu.className.indexOf('is-loading')).not.toBe(-1);
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remoteCallback();
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expect(dropdownMenu.className.indexOf('is-loading')).toBe(-1);
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});
it('should not focus search input while remote task is not complete', () => {
expect($(document.activeElement)).not.toEqual($(SEARCH_INPUT_SELECTOR));
remoteCallback();
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expect($(document.activeElement)).toEqual($(SEARCH_INPUT_SELECTOR));
});
it('should focus search input after remote task is complete', () => {
remoteCallback();
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expect($(document.activeElement)).toEqual($(SEARCH_INPUT_SELECTOR));
});
it('should focus on input when opening for the second time after transition', () => {
remoteCallback();
this.dropdownContainerElement.trigger({
type: 'keyup',
which: ARROW_KEYS.ESC,
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keyCode: ARROW_KEYS.ESC,
});
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this.dropdownButtonElement.click();
this.dropdownContainerElement.trigger('transitionend');
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expect($(document.activeElement)).toEqual($(SEARCH_INPUT_SELECTOR));
});
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});
describe('input focus with array data', () => {
it('should focus input when passing array data to drop down', () => {
initDropDown.call(this, false, true);
this.dropdownButtonElement.click();
this.dropdownContainerElement.trigger('transitionend');
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expect($(document.activeElement)).toEqual($(SEARCH_INPUT_SELECTOR));
});
});
it('should still have input value on close and restore', () => {
const $searchInput = $(SEARCH_INPUT_SELECTOR);
initDropDown.call(this, false, true);
$searchInput
.trigger('focus')
.val('g')
.trigger('input');
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expect($searchInput.val()).toEqual('g');
this.dropdownButtonElement.trigger('hidden.bs.dropdown');
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$searchInput.trigger('blur').trigger('focus');
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expect($searchInput.val()).toEqual('g');
});
describe('renderItem', () => {
describe('without selected value', () => {
let dropdown;
beforeEach(() => {
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const dropdownOptions = {};
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const $dropdownDiv = $('<div />');
$dropdownDiv.glDropdown(dropdownOptions);
dropdown = $dropdownDiv.data('glDropdown');
});
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it('marks items without ID as active', () => {
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const dummyData = {};
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const html = dropdown.renderItem(dummyData, null, null);
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const link = html.querySelector('a');
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expect(link).toHaveClass('is-active');
});
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it('does not mark items with ID as active', () => {
const dummyData = {
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id: 'ea',
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};
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const html = dropdown.renderItem(dummyData, null, null);
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const link = html.querySelector('a');
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expect(link).not.toHaveClass('is-active');
});
});
});
it('should keep selected item after selecting a second time', () => {
const options = {
isSelectable(item, $el) {
return !$el.hasClass('is-active');
},
toggleLabel(item) {
return item && item.id;
},
};
initDropDown.call(this, false, false, options);
const $item = $(`${ITEM_SELECTOR}:first() a`, this.$dropdownMenuElement);
// select item the first time
this.dropdownButtonElement.click();
$item.click();
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expect($item).toHaveClass('is-active');
// select item the second time
this.dropdownButtonElement.click();
$item.click();
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expect($item).toHaveClass('is-active');
expect($('.dropdown-toggle-text')).toHaveText(this.projectsData[0].id.toString());
});
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});