debian-mirror-gitlab/spec/frontend/vue_shared/components/markdown/field_spec.js

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2020-01-01 13:55:28 +05:30
import { mount, createLocalVue } from '@vue/test-utils';
import { TEST_HOST } from 'spec/test_constants';
import AxiosMockAdapter from 'axios-mock-adapter';
import $ from 'jquery';
import axios from '~/lib/utils/axios_utils';
import fieldComponent from '~/vue_shared/components/markdown/field.vue';
const markdownPreviewPath = `${TEST_HOST}/preview`;
const markdownDocsPath = `${TEST_HOST}/docs`;
function assertMarkdownTabs(isWrite, writeLink, previewLink, wrapper) {
expect(writeLink.element.parentNode.classList.contains('active')).toEqual(isWrite);
expect(previewLink.element.parentNode.classList.contains('active')).toEqual(!isWrite);
expect(wrapper.find('.md-preview-holder').element.style.display).toEqual(isWrite ? 'none' : '');
}
function createComponent() {
const wrapper = mount(fieldComponent, {
propsData: {
markdownDocsPath,
markdownPreviewPath,
},
slots: {
textarea: '<textarea>testing\n123</textarea>',
},
template: `
<field-component
markdown-preview-path="${markdownPreviewPath}"
markdown-docs-path="${markdownDocsPath}"
>
<textarea
slot="textarea"
v-model="text">
<slot>this is a test</slot>
</textarea>
</field-component>
`,
sync: false,
});
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');
describe('Markdown field component', () => {
let axiosMock;
const localVue = createLocalVue();
beforeEach(() => {
axiosMock = new AxiosMockAdapter(axios);
});
afterEach(() => {
axiosMock.restore();
});
describe('mounted', () => {
let wrapper;
const previewHTML = '<p>markdown preview</p>';
let previewLink;
let writeLink;
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 localVue.nextTick().then(() => {
expect(previewLink.element.parentNode.classList.contains('active')).toBeTruthy();
});
});
it('shows preview loading text', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
localVue.nextTick(() => {
expect(wrapper.find('.md-preview-holder').element.textContent.trim()).toContain(
'Loading…',
);
});
});
it('renders markdown preview', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
previewLink.trigger('click');
setTimeout(() => {
expect(wrapper.find('.md-preview-holder').element.innerHTML).toContain(previewHTML);
});
});
it('renders GFM with jQuery', () => {
wrapper = createComponent();
previewLink = getPreviewLink(wrapper);
jest.spyOn($.fn, 'renderGFM');
previewLink.trigger('click');
setTimeout(() => {
expect($.fn.renderGFM).toHaveBeenCalled();
}, 0);
});
it('clicking already active write or preview link does nothing', () => {
wrapper = createComponent();
writeLink = getWriteLink(wrapper);
previewLink = getPreviewLink(wrapper);
writeLink.trigger('click');
return localVue
.nextTick()
.then(() => assertMarkdownTabs(true, writeLink, previewLink, wrapper))
.then(() => writeLink.trigger('click'))
.then(() => localVue.nextTick())
.then(() => assertMarkdownTabs(true, writeLink, previewLink, wrapper))
.then(() => previewLink.trigger('click'))
.then(() => localVue.nextTick())
.then(() => assertMarkdownTabs(false, writeLink, previewLink, wrapper))
.then(() => previewLink.trigger('click'))
.then(() => localVue.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');
localVue.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');
localVue.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');
localVue.nextTick(() => {
expect(textarea.value).toContain('* testing\n* 123');
});
});
});
});
});