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import { shallowMount } from '@vue/test-utils';
import component from '~/registry/explorer/components/registry_breadcrumb.vue';
describe('Registry Breadcrumb', () => {
let wrapper;
const nameGenerator = jest.fn();
const crumb = {
className: 'foo bar',
tagName: 'div',
innerHTML: 'baz',
querySelector: jest.fn(),
children: [
{
tagName: 'a',
className: 'foo',
},
],
};
const querySelectorReturnValue = {
classList: ['js-divider'],
tagName: 'svg',
innerHTML: 'foo',
};
const crumbs = [crumb, { ...crumb, innerHTML: 'foo' }, { ...crumb, className: 'baz' }];
const routes = [
{ name: 'foo', meta: { nameGenerator, root: true } },
{ name: 'baz', meta: { nameGenerator } },
];
const findDivider = () => wrapper.find('.js-divider');
const findRootRoute = () => wrapper.find({ ref: 'rootRouteLink' });
const findChildRoute = () => wrapper.find({ ref: 'childRouteLink' });
const findLastCrumb = () => wrapper.find({ ref: 'lastCrumb' });
const mountComponent = $route => {
wrapper = shallowMount(component, {
propsData: {
crumbs,
},
stubs: {
'router-link': { name: 'router-link', template: '<a><slot></slot></a>', props: ['to'] },
},
mocks: {
$route,
$router: {
options: {
routes,
},
},
},
});
};
beforeEach(() => {
nameGenerator.mockClear();
crumb.querySelector = jest.fn();
});
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
describe('when is rootRoute', () => {
beforeEach(() => {
mountComponent(routes[0]);
});
it('renders', () => {
expect(wrapper.element).toMatchSnapshot();
});
it('contains a router-link for the child route', () => {
expect(findChildRoute().exists()).toBe(true);
});
it('the link text is calculated by nameGenerator', () => {
expect(nameGenerator).toHaveBeenCalledTimes(1);
});
});
describe('when is not rootRoute', () => {
beforeEach(() => {
crumb.querySelector.mockReturnValue(querySelectorReturnValue);
mountComponent(routes[1]);
});
it('renders a divider', () => {
expect(findDivider().exists()).toBe(true);
});
it('contains a router-link for the root route', () => {
expect(findRootRoute().exists()).toBe(true);
});
it('contains a router-link for the child route', () => {
expect(findChildRoute().exists()).toBe(true);
});
it('the link text is calculated by nameGenerator', () => {
expect(nameGenerator).toHaveBeenCalledTimes(2);
});
});
describe('last crumb', () => {
const lastChildren = crumb.children[0];
beforeEach(() => {
nameGenerator.mockReturnValue('foo');
mountComponent(routes[0]);
});
it('has the same tag as the last children of the crumbs', () => {
expect(findLastCrumb().element.tagName).toBe(lastChildren.tagName.toUpperCase());
});
it('has the same classes as the last children of the crumbs', () => {
expect(
findLastCrumb()
.classes()
.join(' '),
).toEqual(lastChildren.className);
});
it('has a link to the current route', () => {
expect(findChildRoute().props('to')).toEqual({ to: routes[0].name });
});
it('the link has the correct text', () => {
expect(findChildRoute().text()).toEqual('foo');
});
});
});
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