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import { shallowMount } from '@vue/test-utils';
import $ from 'jquery';
import HeaderComponent from '~/vue_shared/components/markdown/header.vue';
import ToolbarButton from '~/vue_shared/components/markdown/toolbar_button.vue';
describe('Markdown field header component', () => {
let wrapper;
const createWrapper = props => {
wrapper = shallowMount(HeaderComponent, {
propsData: {
previewMarkdown: false,
...props,
},
sync: false,
attachToDocument: true,
});
};
const findToolbarButtons = () => wrapper.findAll(ToolbarButton);
const findToolbarButtonByProp = (prop, value) =>
findToolbarButtons()
.filter(button => button.props(prop) === value)
.at(0);
beforeEach(() => {
createWrapper();
});
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
it('renders markdown header buttons', () => {
const buttons = [
'Add bold text',
'Add italic text',
'Insert a quote',
'Insert suggestion',
'Insert code',
'Add a link',
'Add a bullet list',
'Add a numbered list',
'Add a task list',
'Add a table',
'Go full screen',
];
const elements = findToolbarButtons();
elements.wrappers.forEach((buttonEl, index) => {
expect(buttonEl.props('buttonTitle')).toBe(buttons[index]);
});
});
it('renders `write` link as active when previewMarkdown is false', () => {
expect(wrapper.find('li:nth-child(1)').classes()).toContain('active');
});
it('renders `preview` link as active when previewMarkdown is true', () => {
createWrapper({ previewMarkdown: true });
expect(wrapper.find('li:nth-child(2)').classes()).toContain('active');
});
it('emits toggle markdown event when clicking preview', () => {
wrapper.find('.js-preview-link').trigger('click');
return wrapper.vm
.$nextTick()
.then(() => {
expect(wrapper.emitted('preview-markdown').length).toEqual(1);
wrapper.find('.js-write-link').trigger('click');
return wrapper.vm.$nextTick();
})
.then(() => {
expect(wrapper.emitted('write-markdown').length).toEqual(1);
});
});
it('does not emit toggle markdown event when triggered from another form', () => {
$(document).triggerHandler('markdown-preview:show', [
$(
'<form><div class="js-vue-markdown-field"><textarea class="markdown-area"></textarea></div></form>',
),
]);
expect(wrapper.emitted('preview-markdown')).toBeFalsy();
expect(wrapper.emitted('write-markdown')).toBeFalsy();
});
it('blurs preview link after click', () => {
const link = wrapper.find('li:nth-child(2) button');
jest.spyOn(HTMLElement.prototype, 'blur').mockImplementation();
link.trigger('click');
expect(link.element.blur).toHaveBeenCalled();
});
it('renders markdown table template', () => {
const tableButton = findToolbarButtonByProp('icon', 'table');
expect(tableButton.props('tag')).toEqual(
'| header | header |\n| ------ | ------ |\n| cell | cell |\n| cell | cell |',
);
});
it('renders suggestion template', () => {
expect(findToolbarButtonByProp('buttonTitle', 'Insert suggestion').props('tag')).toEqual(
'```suggestion:-0+0\n{text}\n```',
);
});
it('does not render suggestion button if `canSuggest` is set to false', () => {
createWrapper({
canSuggest: false,
});
expect(wrapper.find('.js-suggestion-btn').exists()).toBe(false);
});
});
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