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import { GlDrawer, GlAlert, GlSkeletonLoader } from '@gitlab/ui';
import { nextTick } from 'vue';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import MarkdownDrawer, { cache } from '~/vue_shared/components/markdown_drawer/markdown_drawer.vue';
import { getRenderedMarkdown } from '~/vue_shared/components/markdown_drawer/utils/fetch';
import { contentTop } from '~/lib/utils/common_utils';
jest.mock('~/vue_shared/components/markdown_drawer/utils/fetch', () => ({
getRenderedMarkdown: jest.fn().mockReturnValue({
title: 'test title test',
body: `<div id="content-body">
<div class="documentation md gl-mt-3">
test body
</div>
</div>`,
}),
}));
jest.mock('~/lib/utils/common_utils', () => ({
contentTop: jest.fn(),
}));
describe('MarkdownDrawer', () => {
let wrapper;
const defaultProps = {
documentPath: 'user/search/global_search/advanced_search_syntax.json',
};
const createComponent = (props) => {
wrapper = shallowMountExtended(MarkdownDrawer, {
propsData: {
...defaultProps,
...props,
},
});
};
afterEach(() => {
wrapper.destroy();
wrapper = null;
Object.keys(cache).forEach((key) => delete cache[key]);
});
const findDrawer = () => wrapper.findComponent(GlDrawer);
const findAlert = () => wrapper.findComponent(GlAlert);
const findSkeleton = () => wrapper.findComponent(GlSkeletonLoader);
const findDrawerTitle = () => wrapper.findComponent('[data-testid="title-element"]');
const findDrawerBody = () => wrapper.findComponent({ ref: 'content-element' });
describe('component', () => {
beforeEach(() => {
createComponent();
});
it('renders correctly', () => {
expect(findDrawer().exists()).toBe(true);
expect(findDrawerTitle().text()).toBe('test title test');
expect(findDrawerBody().text()).toBe('test body');
});
});
describe.each`
hasNavbar | navbarHeight
${false} | ${0}
${true} | ${100}
`('computes offsetTop', ({ hasNavbar, navbarHeight }) => {
beforeEach(() => {
global.document.querySelector = jest.fn(() =>
hasNavbar
? {
dataset: {
page: 'test',
},
}
: undefined,
);
contentTop.mockReturnValue(navbarHeight);
createComponent();
});
afterEach(() => {
contentTop.mockClear();
});
it(`computes offsetTop ${hasNavbar ? 'with' : 'without'} .navbar-gitlab`, () => {
expect(findDrawer().attributes('headerheight')).toBe(`${navbarHeight}px`);
});
});
describe('watcher', () => {
let renderGLFMSpy;
let fetchMarkdownSpy;
beforeEach(async () => {
renderGLFMSpy = jest.spyOn(MarkdownDrawer.methods, 'renderGLFM');
fetchMarkdownSpy = jest.spyOn(MarkdownDrawer.methods, 'fetchMarkdown');
global.document.querySelector = jest.fn(() => ({
getBoundingClientRect: jest.fn(() => ({ bottom: 100 })),
dataset: {
page: 'test',
},
}));
createComponent();
await nextTick();
});
afterEach(() => {
renderGLFMSpy.mockClear();
fetchMarkdownSpy.mockClear();
});
it('for documentPath triggers fetch', async () => {
expect(fetchMarkdownSpy).toHaveBeenCalledTimes(1);
await wrapper.setProps({ documentPath: '/test/me' });
await nextTick();
expect(fetchMarkdownSpy).toHaveBeenCalledTimes(2);
});
it('for open triggers renderGLFM', async () => {
wrapper.vm.fetchMarkdown();
wrapper.vm.openDrawer();
await nextTick();
expect(renderGLFMSpy).toHaveBeenCalled();
});
});
describe('Markdown fetching', () => {
let renderGLFMSpy;
beforeEach(async () => {
renderGLFMSpy = jest.spyOn(MarkdownDrawer.methods, 'renderGLFM');
createComponent();
await nextTick();
});
afterEach(() => {
renderGLFMSpy.mockClear();
});
it('fetches the Markdown and caches it', async () => {
expect(getRenderedMarkdown).toHaveBeenCalledTimes(1);
expect(Object.keys(cache)).toHaveLength(1);
});
it('when the document changes, fetches it and caches it as well', async () => {
expect(getRenderedMarkdown).toHaveBeenCalledTimes(1);
expect(Object.keys(cache)).toHaveLength(1);
await wrapper.setProps({ documentPath: '/test/me2' });
await nextTick();
expect(getRenderedMarkdown).toHaveBeenCalledTimes(2);
expect(Object.keys(cache)).toHaveLength(2);
});
it('when re-using an already fetched document, gets it from the cache', async () => {
await wrapper.setProps({ documentPath: '/test/me2' });
await nextTick();
expect(getRenderedMarkdown).toHaveBeenCalledTimes(2);
expect(Object.keys(cache)).toHaveLength(2);
await wrapper.setProps({ documentPath: defaultProps.documentPath });
await nextTick();
expect(getRenderedMarkdown).toHaveBeenCalledTimes(2);
expect(Object.keys(cache)).toHaveLength(2);
});
});
describe('Markdown fetching returns error', () => {
beforeEach(async () => {
getRenderedMarkdown.mockReturnValue({
hasFetchError: true,
});
createComponent();
await nextTick();
});
afterEach(() => {
getRenderedMarkdown.mockClear();
});
it('shows alert', () => {
expect(findAlert().exists()).toBe(true);
});
});
describe('While Markdown is fetching', () => {
beforeEach(async () => {
getRenderedMarkdown.mockReturnValue(new Promise(() => {}));
createComponent();
});
afterEach(() => {
getRenderedMarkdown.mockClear();
});
it('shows skeleton', async () => {
expect(findSkeleton().exists()).toBe(true);
});
});
});
|
