112 lines
3.3 KiB
JavaScript
112 lines
3.3 KiB
JavaScript
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import { nextTick } from 'vue';
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import { getAllByRole, getByRole } from '@testing-library/dom';
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import { GlDropdown } from '@gitlab/ui';
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import { createWrapper } from '@vue/test-utils';
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import { initListbox, parseAttributes } from '~/listbox';
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import { getFixture, setHTMLFixture } from 'helpers/fixtures';
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jest.mock('~/lib/utils/url_utility');
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const fixture = getFixture('listbox/redirect_listbox.html');
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const parsedAttributes = (() => {
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const div = document.createElement('div');
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div.innerHTML = fixture;
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return parseAttributes(div.firstChild);
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})();
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describe('initListbox', () => {
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let instance;
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afterEach(() => {
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if (instance) {
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instance.$destroy();
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}
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});
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const setup = (...args) => {
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instance = initListbox(...args);
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};
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// TODO: Rewrite these finders to use better semantics once the
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// implementation is switched to GlListbox
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// https://gitlab.com/gitlab-org/gitlab/-/issues/348738
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const findToggleButton = () => document.body.querySelector('.gl-dropdown-toggle');
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const findItem = (text) => getByRole(document.body, 'menuitem', { name: text });
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const findItems = () => getAllByRole(document.body, 'menuitem');
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const findSelectedItems = () =>
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findItems().filter(
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(menuitem) =>
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!menuitem
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.querySelector('.gl-new-dropdown-item-check-icon')
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.classList.contains('gl-visibility-hidden'),
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);
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it('returns null given no element', () => {
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setup();
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expect(instance).toBe(null);
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});
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it('throws given an invalid element', () => {
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expect(() => setup(document.body)).toThrow();
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});
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describe('given a valid element', () => {
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let onChangeSpy;
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beforeEach(async () => {
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setHTMLFixture(fixture);
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onChangeSpy = jest.fn();
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setup(document.querySelector('.js-redirect-listbox'), { onChange: onChangeSpy });
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await nextTick();
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});
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it('returns an instance', () => {
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expect(instance).not.toBe(null);
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});
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it('renders button with selected item text', () => {
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expect(findToggleButton().textContent.trim()).toBe('Bar');
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});
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it('has the correct item selected', () => {
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const selectedItems = findSelectedItems();
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expect(selectedItems).toHaveLength(1);
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expect(selectedItems[0].textContent.trim()).toBe('Bar');
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});
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it('applies additional classes from the original element', () => {
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expect(instance.$el.classList).toContain('test-class-1', 'test-class-2');
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});
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describe.each(parsedAttributes.items)('clicking on an item', (item) => {
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beforeEach(async () => {
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findItem(item.text).click();
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await nextTick();
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});
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it('calls the onChange callback with the item', () => {
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expect(onChangeSpy).toHaveBeenCalledWith(item);
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});
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it('updates the toggle button text', () => {
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expect(findToggleButton().textContent.trim()).toBe(item.text);
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});
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it('marks the item as selected', () => {
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const selectedItems = findSelectedItems();
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expect(selectedItems).toHaveLength(1);
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expect(selectedItems[0].textContent.trim()).toBe(item.text);
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});
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});
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it('passes the "right" prop through to the underlying component', () => {
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const wrapper = createWrapper(instance).findComponent(GlDropdown);
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expect(wrapper.props('right')).toBe(parsedAttributes.right);
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});
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});
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});
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