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import { mount } from '@vue/test-utils';
import { TEST_HOST, FIXTURES_PATH } from 'spec/test_constants';
import AxiosMockAdapter from 'axios-mock-adapter';
import $ from 'jquery';
import fieldComponent from '~/vue_shared/components/markdown/field.vue';
import axios from '~/lib/utils/axios_utils';
const markdownPreviewPath = `${TEST_HOST}/preview`;
const markdownDocsPath = `${TEST_HOST}/docs`;
const textareaValue = 'testing\n123';
function assertMarkdownTabs(isWrite, writeLink, previewLink, wrapper) {
expect(writeLink.element.parentNode.classList.contains('active')).toBe(isWrite);
expect(previewLink.element.parentNode.classList.contains('active')).toBe(!isWrite);
expect(wrapper.find('.md-preview-holder').element.style.display).toBe(isWrite ? 'none' : '');
}
function createComponent() {
const wrapper = mount(fieldComponent, {
propsData: {
markdownDocsPath,
markdownPreviewPath,
isSubmitting: false,
textareaValue,
},
slots: {
textarea: `<textarea>${textareaValue}</textarea>`,
},
});
return wrapper;
}
const getPreviewLink = wrapper => wrapper.find('.nav-links .js-preview-link');
const getWriteLink = wrapper => wrapper.find('.nav-links .js-write-link');
const getMarkdownButton = wrapper => wrapper.find('.js-md');
const getAllMarkdownButtons = wrapper => wrapper.findAll('.js-md');
const getVideo = wrapper => wrapper.find('video');
describe('Markdown field component', () => {
let axiosMock;
beforeEach(() => {
axiosMock = new AxiosMockAdapter(axios);
});
afterEach(() => {
axiosMock.restore();
});
describe('mounted', () => {
let wrapper;
const previewHTML = `
<p>markdown preview</p>
<video src="${FIXTURES_PATH}/static/mock-video.mp4" muted="muted"></video>
`;
let previewLink;
let writeLink;
afterEach(() => {
wrapper.destroy();
});
it('renders textarea inside backdrop', () => {
wrapper = createComponent();
expect(wrapper.find('.zen-backdrop textarea').element).not.toBeNull();
});
describe('markdown preview', () => {
beforeEach(() => {
axiosMock.onPost(markdownPreviewPath).reply(200, { body: previewHTML });
});
it('sets preview link as active', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
return wrapper.vm.$nextTick().then(() => {
expect(previewLink.element.parentNode.classList.contains('active')).toBeTruthy();
});
});
it('shows preview loading text', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
return wrapper.vm.$nextTick(() => {
expect(wrapper.find('.md-preview-holder').element.textContent.trim()).toContain(
'Loading…',
);
});
});
it('renders markdown preview and GFM', () => {
wrapper = createComponent();
const renderGFMSpy = jest.spyOn($.fn, 'renderGFM');
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
return axios.waitFor(markdownPreviewPath).then(() => {
expect(wrapper.find('.md-preview-holder').element.innerHTML).toContain(previewHTML);
expect(renderGFMSpy).toHaveBeenCalled();
});
});
it('calls video.pause() on comment input when isSubmitting is changed to true', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
let callPause;
return axios
.waitFor(markdownPreviewPath)
.then(() => {
const video = getVideo(wrapper);
callPause = jest.spyOn(video.element, 'pause').mockImplementation(() => true);
wrapper.setProps({
isSubmitting: true,
markdownPreviewPath,
markdownDocsPath,
});
return wrapper.vm.$nextTick();
})
.then(() => {
expect(callPause).toHaveBeenCalled();
});
});
it('clicking already active write or preview link does nothing', () => {
wrapper = createComponent();
writeLink = getWriteLink(wrapper);
previewLink = getPreviewLink(wrapper);
writeLink.trigger('click');
return wrapper.vm
.$nextTick()
.then(() => assertMarkdownTabs(true, writeLink, previewLink, wrapper))
.then(() => writeLink.trigger('click'))
.then(() => wrapper.vm.$nextTick())
.then(() => assertMarkdownTabs(true, writeLink, previewLink, wrapper))
.then(() => previewLink.trigger('click'))
.then(() => wrapper.vm.$nextTick())
.then(() => assertMarkdownTabs(false, writeLink, previewLink, wrapper))
.then(() => previewLink.trigger('click'))
.then(() => wrapper.vm.$nextTick())
.then(() => assertMarkdownTabs(false, writeLink, previewLink, wrapper));
});
});
describe('markdown buttons', () => {
it('converts single words', () => {
wrapper = createComponent();
const textarea = wrapper.find('textarea').element;
textarea.setSelectionRange(0, 7);
const markdownButton = getMarkdownButton(wrapper);
markdownButton.trigger('click');
return wrapper.vm.$nextTick(() => {
expect(textarea.value).toContain('**testing**');
});
});
it('converts a line', () => {
wrapper = createComponent();
const textarea = wrapper.find('textarea').element;
textarea.setSelectionRange(0, 0);
const markdownButton = getAllMarkdownButtons(wrapper).wrappers[5];
markdownButton.trigger('click');
return wrapper.vm.$nextTick(() => {
expect(textarea.value).toContain('- testing');
});
});
it('converts multiple lines', () => {
wrapper = createComponent();
const textarea = wrapper.find('textarea').element;
textarea.setSelectionRange(0, 50);
const markdownButton = getAllMarkdownButtons(wrapper).wrappers[5];
markdownButton.trigger('click');
return wrapper.vm.$nextTick(() => {
expect(textarea.value).toContain('- testing\n- 123');
});
});
});
});
});
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