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import { shallowMount, mount } from '@vue/test-utils';
import TableOfContents from '../../../../content/frontend/default/components/table_of_contents.vue';
import * as dom from '../../../../content/frontend/shared/dom';
import { flattenItems } from '../../../../content/frontend/shared/toc/flatten_items';
import { createExampleToc } from '../../shared/toc_helper';
const TEST_ITEMS = createExampleToc();
const TEST_HELP_AND_FEEDBACK_ID = 'test-help-and-feedback';
describe('frontend/default/components/table_of_contents', () => {
let wrapper;
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
beforeEach(() => {
// jquery is not available in Jest yet so we need to mock this method
jest.spyOn(dom, 'getOuterHeight').mockReturnValue(100);
});
const createComponent = (props = {}, mountFn = shallowMount) => {
wrapper = mountFn(TableOfContents, {
propsData: {
items: TEST_ITEMS,
helpAndFeedbackId: TEST_HELP_AND_FEEDBACK_ID,
...props,
},
});
};
const findCollapseButton = () => wrapper.find('[data-testid="collapse"]');
const findCollapseIcon = () => findCollapseButton().find('i');
const findCollapsibleContainer = () => wrapper.find('[data-testid="container"]');
const findMainList = () => wrapper.find('[data-testid="main-list"]');
const findMainListItems = () => findMainList().props('items');
const clickCollapseButton = () => findCollapseButton().trigger('click');
const expectCollapsed = (isCollapsed = true) => {
expect(findCollapseButton().attributes('aria-expanded')).toBe(isCollapsed ? undefined : 'true');
expect(findCollapsibleContainer().props('isCollapsed')).toBe(isCollapsed);
expect(findCollapseIcon().classes(isCollapsed ? 'fa-angle-right' : 'fa-angle-down')).toBe(true);
};
it('matches snapshot', () => {
createComponent({ hasHelpAndFeedback: true }, mount);
expect(wrapper.element).toMatchSnapshot();
});
describe('with hasHelpAndFeedback', () => {
beforeEach(() => {
createComponent({ hasHelpAndFeedback: true });
});
it('appends help and feedback item', () => {
expect(findMainListItems()).toEqual(
flattenItems(
TEST_ITEMS.concat([
{
href: `#${TEST_HELP_AND_FEEDBACK_ID}`,
id: null,
items: [],
text: 'Help and feedback',
withSeparator: true,
},
]),
),
);
});
});
describe('default', () => {
beforeEach(() => {
createComponent({}, mount);
});
it('renders toc list', () => {
expect(findMainListItems()).toEqual(flattenItems(TEST_ITEMS));
});
it('is initially uncollapsed', () => {
expectCollapsed(false);
});
describe('when collapse button is pressed', () => {
beforeEach(() => {
clickCollapseButton();
});
it('starts expanding', () => {
expect(findCollapsibleContainer().classes('sm-collapsing')).toBe(true);
});
it('immediately updates collapse status', () => {
expectCollapsed(true);
});
it('when button pressed again, nothing happens because in the middle of collapsing', () => {
clickCollapseButton();
return wrapper.vm.$nextTick(() => {
expect(findCollapsibleContainer().classes('sm-collapsing')).toBe(true);
expectCollapsed(true);
});
});
});
});
});
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